Author: claimsbot

1. A method of operating a driver assistance system that automatically decelerates a vehicle to avoid a collision or reduce consequences of a collision with a detected collision object, the method comprising the acts of:
causing an automatic braking intervention at a determined intervention point-in-time to decelerate the vehicle; and
deactivating the automatic braking intervention based on an override maneuver dependent on actual driving dynamics of the vehicle, wherein the deactivation is carried out as a function of an actuation of the accelerator that depends on an actual deceleration of the vehicle.
2. The method according to claim 1, wherein the deactivation of the automatic braking intervention is carried out when, after the automatic braking intervention is caused, the accelerator is actuated by more than a specified first differential pedal angle dependent on the actual deceleration of the vehicle.
3. The method according to claim 2, wherein the first differential pedal angle to be exceeded for deactivating the automatic braking intervention is specified as a function of the actual deceleration of the vehicle according to at least one of the following:
in a case of a slight deceleration, a slight first differential pedal angle is specified as the first differential pedal angle; and
in a case of a larger deceleration, a larger first differential pedal angle than in the case of the slight deceleration is specified as the first differential pedal angle.
4. The method according to claim 3, wherein the first differential pedal angle to be exceeded for deactivating the automatic braking intervention is specified as a function of the actual deceleration of the vehicle such that, at least within a specified deceleration range, the first differential pedal angle to be exceeded becomes larger as the actual deceleration of the vehicle becomes greater.
5. The method according to claim 3, further comprising the acts of:
at a determined warning point-in-time occurring before the intervention point-in-time, triggering a driver warning; and
automatically deactivating the triggered driver warning when a specified second differential pedal angle is reached or exceeded.
6. The method according to claim 5, wherein the specified second differential pedal angle for deactivating the driver warning is, at a minimum, no greater than a smallest specified first differential pedal angle for deactivating the automatic braking intervention.
7. The method according to claim 2, wherein the first differential pedal angle to be exceeded for deactivating the automatic braking intervention is specified as a function of the actual deceleration of the vehicle such that, at least within a specified deceleration range, the first differential pedal angle to be exceeded becomes larger as the actual deceleration of the vehicle becomes greater.
8. The method according to claim 7, further comprising the acts of:
at a determined warning point-in-time occurring before the intervention point-in-time, triggering a driver warning; and
automatically deactivating the triggered driver warning when a specified second differential pedal angle is reached or exceeded.
9. The method according to claim 2, further comprising the acts of:
at a determined warning point-in-time occurring before the intervention point-in-time, triggering a driver warning; and
automatically deactivating the triggered driver warning when a specified second differential pedal angle is reached or exceeded.
10. The method according to claim 9, wherein the specified second differential pedal angle for deactivating the driver warning is, at a minimum, no greater than a smallest specified first differential pedal angle for deactivating the automatic braking intervention.
11. The method according to claim 1, further comprising the acts of:
at a determined warning point-in-time occurring before the intervention point-in-time, triggering a driver warning; and
automatically deactivating the triggered driver warning when a specified second differential pedal angle is reached or exceeded.
12. The method according to claim 11, wherein the specified second differential pedal angle for deactivating the driver warning is, at a minimum, no greater than a smallest specified first differential pedal angle for deactivating the automatic braking intervention.
13. A method of operating a driver assistance system that automatically decelerates a vehicle to avoid a collision or reduce consequences of a collision with a detected collision object, the method comprising the acts of:
causing an automatic braking intervention at a determined intervention point-in-time to decelerate the vehicle; and
deactivating the automatic braking intervention based on an override maneuver dependent on actual driving dynamics of the vehicle, wherein the deactivation of the automatic braking intervention is carried out when, after the automatic braking intervention is caused, the accelerator is actuated by more than a specified first differential pedal angle dependent on an actual deceleration of the vehicle.
14. The method according to claim 13, wherein the first differential pedal angle to be exceeded for deactivating the automatic braking intervention is specified as a function of the actual deceleration of the vehicle according to at least one of the following:
in a case of a slight deceleration, a slight first differential pedal angle is specified as the first differential pedal angle; and
in a case of a larger deceleration, a larger first differential pedal angle than in the case of the slight deceleration is specified as the first differential pedal angle.
15. The method according to claim 13, wherein the first differential pedal angle to be exceeded for deactivating the automatic braking intervention is specified as a function of the actual deceleration of the vehicle such that, at least within a specified deceleration range, the first differential pedal angle to be exceeded becomes larger as the actual deceleration of the vehicle becomes greater.
16. The method according to claim 15, further comprising the acts of:
at a determined warning point-in-time occurring before the intervention point-in-time, triggering a driver warning; and
automatically deactivating the triggered driver warning when a specified second differential pedal angle is reached or exceeded.
17. The method according to claim 16, wherein the specified second differential pedal angle for deactivating the driver warning is, at a minimum, no greater than a smallest specified first differential pedal angle for deactivating the automatic braking intervention.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A display comprising:
at least one interferometric modulator configured to selectively reflect light having a characteristic color, the at least one interferometric modulator having a spectral response characterized by a first spectral peak having a spectral width; and
at least one source of colored light having a spectral output characterized by a second spectral peak having a spectral width, the at least one source of colored light configured to illuminate the at least one interferometric modulator so that the selectively reflected light is characterized by a third spectral peak,
wherein the third spectral peak has a spectral width that is narrower than the spectral width of the first spectral peak and wherein the spectral width of the first spectral peak is the range of wavelengths of the first spectral peak at the full width at half maximum of intensity of the selectively reflected light, the spectral width of the second spectral peak is the range of wavelengths of the second spectral peak at the full width at half maximum of intensity of the spectral output of the at least one source of colored light and the spectral width of the third spectral peak is the range of wavelengths of the third spectral peak at the full width at half maximum of intensity of the selectively reflected light.
2. The display of claim 1, wherein the at least one interferometric modulator includes a first surface that is partially reflective and partially transmissive and a second surface that is reflective and non-transmissive, wherein the reflective surface is movable with respect to the partially reflective surface.
3. The display of claim 1, wherein the at least one source of colored light includes a broadband light source and a color filter.
4. The display of claim 1, further comprising a photoluminescent material configured to absorb light of substantially a first range of wavelengths and emit light of substantially of a second range of wavelengths, wherein the emitted light is modulated by the at least one interferometric modulator.
5. The display of claim 4, wherein the second range of wavelengths is smaller than the spectral width of the second spectral peak.
6. The display of claim 4, wherein the photoluminescent material is configured to emit the light in response to receiving ultra-violet light.
7. The display of claim 1, wherein the at least one source of colored light is configured to output ultra-violet light.
8. The display of claim 1, wherein the spectral width of the second spectral peak is substantially equal to the spectral width of the first spectral peak.
9. The display of claim 1, wherein the spectral width of the second spectral peak is narrower than the spectral width of the first spectral peak.
10. The display of claim 1, wherein the spectral width of the third spectral peak is substantially equal to the spectral width of the second spectral peak.
11. The display of claim 1, wherein the spectral width of the third spectral peak is narrower than the spectral width of the second spectral peak.
12. The display of claim 1, further comprising a light guide plate configured to direct light from the at least one source of colored light to the at least one interferometric modulator.
13. The display of claim 12, wherein the light guide plate includes a photoluminescent material.
14. The display of claim 1, wherein the at least one source of colored light includes sources of red, green, and blue light.
15. The display of claim 14, wherein the at least one interferometric modulator includes an interferometric modulator configured to output red light, an interferometric modulator configured to output green light, and an interferometric modulator configured to output blue light.
16. The display of claim 1, further comprising:
a processor that is configured to communicate with the at least one interferometric modulator, the processor being configured to process image data; and
a memory device that is configured to communicate with the processor.
17. The display as recited in claim 16, further comprising:
a driver circuit configured to send at least one signal the at least one interferometric modulator.
18. The display as recited in claim 17, further comprising:
a controller configured to send at least a portion of the image data to the driver circuit.
19. The display as recited in claim 16, further comprising:
an image source module configured to send the image data to the processor.
20. The display as recited in claim 19, wherein the image source module includes at least one of a receiver, transceiver, and transmitter.
21. The display as recited in claim 16, further comprising:
an input device configured to receive input data and to communicate the input data to the processor.
22. A display comprising:
means for selectively reflecting light having a characteristic color, the means having a spectral response characterized by a first spectral peak having a spectral width; and
means for illuminating the means for selectively reflecting light with colored light having a spectral output characterized by a second spectral peak having a spectral width so as to output light characterized by a third spectral peak,
wherein the third spectral peak has a spectral width that is narrower than the spectral width of the first spectral peak and wherein the spectral width of the first spectral peak is the range of wavelengths of the first spectral peak at the full width at half maximum of intensity of the selectively reflected light, the spectral width of the second spectral peak is the range of wavelengths of the second spectral peak at the full width at half maximum of intensity of the spectral output of the means for illuminating and the spectral width of the third spectral peak is the range of wavelengths of the third spectral peak at the full width at half maximum of intensity of the output light.
23. The display of claim 22, wherein the means for selectively reflecting light includes a first surface that is partially reflective and partially transmissive and a second surface that is reflective and non-transmissive, wherein the second surface is movable with respect to the first surface.
24. The display of claim 22, wherein the means for selectively reflecting light includes at least one interferometric modulator.
25. The display of claim 22, wherein the means for illuminating includes means for providing red, green, and blue light.
26. The display of claim 25, wherein the means for selectively reflecting light includes means for selectively reflecting red light, means for selectively reflecting green light, and means for selectively reflecting blue light.
27. The display of claim 22, wherein the means for illuminating includes a light emitting diode.
28. The display of claim 22, wherein the means for illuminating includes a photoluminescent material.
29. The display of claim 22, wherein the means for illuminating includes a filtered light source having a color filter and a light source, the color filter positioned between the means for selectively reflecting light and the light source.
30. A method of making a display comprising:
forming at least one interferometric modulator configured to selectively reflect light having a characteristic color, the at least one interferometric modulator having a spectral response characterized by a first spectral peak having a spectral width; and
forming at least one source of colored light having a spectral output characterized by a second spectral peak having a spectral width, the at least one source of colored light configured to illuminate the at least one interferometric modulator so that the selectively reflected light is characterized by a third spectral peak,
wherein the third spectral peak has a spectral width that is narrower than the spectral width of the first spectral peak and wherein the spectral width of the first spectral peak is the range of wavelengths of the first spectral peak at the full width at half maximum of intensity of the selectively reflected light, the spectral width of the second spectral peak is the range of wavelengths of the second spectral peak at the full width at half maximum of intensity of the spectral output of the at least one source of colored light and the spectral width of the third spectral peak is the range of wavelengths of the third spectral peak at the full width at half maximum of intensity of the selectively reflected light.
31. The method of claim 30, wherein forming the at least one interferometric modulator includes forming a first surface that is partially reflective and partially transmissive and a second surface that is reflective and non-transmissive, wherein the second reflective surface is movable with respect to the first surface.
32. The method of claim 30, wherein the at least one source of colored light includes a broadband light source and a color filter.
33. The method of claim 30, further comprises:
forming a light guide plate configured to direct light from the at least one source of colored light to the at least one interferometric modulator.

What is claimed is:

1. A lock system for a horizontal tool box having first and second body, components, said body components being moveable relative to one another between open and closed positions, said body components defining an enclosed space in the closed position, said tool box having a proximal end and a distal end and utilizing a padlock having a shackle and a padlock body having a key insertion surface, said padlock being moveable between a locked position and an unlocked position, said lock system comprising:
a support for holding the padlock inside the tool box, said support being secured within the tool box and opening along an outer surface of the toolbox, said support including a bracket, the shackle being received by the bracket such that the bracket secures the shackle to the tool box and the shackle is substantially inaccessible from outside the tool box, said padlock body being slidably disposed within the support such that the key insertion surface of the padlock body is exposed for external access along the proximal end of the tool box,
a first flange disposed at substantially the distal end of the box and a second flange disposed at substantially the proximal end of the box, said flanges each having a bore extending therethrough, the flanges being secured to and extending from the second body component,
an elongated latch rod having a proximal end and a distal end, said latch rod being supported in the first body component for sliding lateral movement between a release position wherein the latch rod does not engage the flange bores, and a latched position wherein the distal end of the latch rod slidingly engages the first flange bore and the proximal end of the latch rod slidingly engages the second flange bore when the box is in the closed position, the latch rod being disposed relative to the support such that the padlock body blocks the longitudinal movement of the proximal end of the latch rod and maintains the latch rod in the latched position when the body components are in the closed position and the padlock is locked, and the proximal end of the latch rod passes between the shackle and the padlock body to move the latch rod to the release position when the padlock is unlocked,
and a handle assessable from the outside of the box and disposed substantially along the proximal end of the box, said handle being coupled to the latch rod such that the handle may be moved to slide the latch rod laterally between the latched and release positions, whereby a user may lock and unlock the padlock and move the latch rod between the latched and release positions from the proximal end of the box.
2. The lock system for a horizontal tool box of claim 1 wherein the latch rod comprises an elongated latch body portion and latching portions offset from the latch body portion, said latching portions being disposed to engage the bores of the flanges.
3. The lock system for a horizontal tool box of claim 1 wherein the latch rod has a longitudinal axis and the flanges are disposed in a plane substantially perpendicular to the longitudinal axis.
4. The lock system for a horizontal tool box of claim 3 wherein the first body component further comprises a first bracket for slidingly supporting the distal end of the latch rod, and a second bracket having a bore for slidingly receiving the distal end of the latch rod, the brackets being disposed such that the first flange is disposed between the first and second brackets, the distal end of the latch rod extending adjacent the first bracket and the flange, and through the bore of the second bracket when in the latched position.
5. The lock system for a horizontal tool box of claim 1 wherein the latch body portion is disposed to move along a first longitudinal axis and at least one of the latch body portions is disposed to move along a second longitudinal axis, said first and second longitudinal axes being disposed substantially parallel.
6. The lock system for a horizontal tool box of claim 5 wherein at least one said flange is disposed in a plane substantially perpendicular to the first longitudinal axis.
7. The lock system for a horizontal tool box of claim 6 wherein the first body component further comprises a first bracket for slidingly supporting the distal end of the latch rod, and a second bracket having a bore for slidingly receiving the distal end of the latch rod, the brackets being disposed such that the first flange is disposed between the first and second brackets, the distal end of the latch rod extending adjacent the first bracket and the flange, and through the bore of the second bracket when in the latched position.
8. The lock system for a horizontal tool box of claim 1 wherein the box further comprises a wall, at least a portion of the elongated latch rod being disposed substantially adjacent the wall such that any intrusion of the latch rod into the enclosed space is substantially minimized.
9. The lock system for a horizontal tool box of claim 2 wherein the box further comprises a wall and at least a portion of the elongated body portion is disposed substantially adjacent the wall such that any intrusion of the latch rod into the enclosed space is substantially minimized.
10. The lock system for a horizontal tool box of claim 1 further comprising a fastener for coupling the bracket to the support, the bracket including two openings therethrough, both said openings being operable to either receive the fastener to couple the bracket to the support or to receive the shackle, said openings being alternately disposable to secure the shackle at different positions in the support whereby the bracket may be used with at least two different types of padlocks.
11. The lock system for a horizontal tool box of claim 1 wherein the support further includes a wall extending along at least a portion of the padlock shackle and body, said support wall having an opening extending therethrough for receiving the proximal end of the latch rod, said support further including a channel protruding from said support wall disposed about at least a portion of said support opening and at least a portion of said proximal end of the latch rod.
12. The lock system for a horizontal tool box of claim 10 wherein the support further includes a wall extending along at least a portion of the padlock shackle and body, said support wall having an opening extending therethrough for receiving the proximal end of the latch rod, said support further including a channel protruding from said support wall disposed about at least a portion of said support opening and at least a portion of said proximal end of the latch rod.
13. A lock system for a tool box having first and second body components, said body components being moveable relative to one another between open and closed positions and defining an enclosed space in the closed position, said tool box utilizing a padlock having a shackle and a padlock body having a key insertion surface, said padlock being moveable between a locked position and an unlocked position, said lock system comprising:
a support for holding the padlock inside the tool box, said support being secured within the tool box and opening along an outer surface of the toolbox, said support including a bracket and a fastener for coupling the bracket to the support, the bracket including two openings therethrough, both said openings being operable to either receive the fastener to couple the bracket to the support or to receive the shackle such that the bracket secures the shackle to the tool box and the shackle is substantially inaccessible from outside the tool box, said openings being disposed to secure the shackle at different positions in the support whereby the bracket may be utilized with at least two different types of padlocks, the shackle being received by the bracket, said padlock body being slidably disposed within the support such that the key insertion surface of the padlock body is exposed for external access along the proximal end of the tool box,
at least one flange extending from the second body component into the enclosed space, said flange having a bore extending therethrough,
an elongated latch rod, said latch rod being supported in the first body component for sliding lateral movement between a release position wherein the latch rod does not engage the flange bore, and a latched position wherein the latch rod slidingly engages the flange bore when the box is in the closed position, the latch rod being disposed relative to the support such that the padlock body blocks the longitudinal movement of the proximal end of the latch rod and maintains the latch rod in the latched position when the body components are in the closed position and the padlock is locked, and the proximal end of the latch rod passes between the shackle and the padlock body to move the latch rod to the release position when the padlock is unlocked,
and a handle assessable from the outside of the box, said handle being coupled to the latch rod such that the handle may be moved to slide the latch rod between the latched and release positions.
14. The lock system claimed in claim 13 wherein the bracket comprises two legs disposed at a substantially perpendicular angle and an apex, the openings of the bracket being differently sized whereby the shackle of the padlock will be disposed at different positions within the support.
15. The lock system claimed in claim 13 wherein the bracket comprises two legs disposed at a substantially perpendicular angle and an apex, the openings of the bracket being disposed at different distances from the apex whereby the shackle of the padlock will be disposed at different positions within the support.
16. The lock system claimed in claim 13 wherein the support further includes a wall extending along at least a portion of the padlock shackle and body, said support wall having an opening extending therethrough for receiving the proximal end of the latch rod, said support further including a channel protruding from said support wall disposed about at least a portion of said support opening and at least a portion of said proximal end of the latch rod.
17. A lock system for a tool box having a wall, said tool box further having first and second body components, said body components being moveable relative to one another between open and closed positions and defining an enclosed space in the closed position, said tool box utilizing a padlock having a shackle and a padlock body having a key insertion surface, said padlock being moveable between a locked position and an unlocked position, said lock system comprising:
a support for holding the padlock inside the tool box, said support being secured within the tool box and opening along an outer surface of the toolbox, said support including a bracket, the shackle being received by the bracket such that the bracket secures the shackle to the tool box and the shackle is substantially inaccessible from outside the tool box, said padlock body being slidably disposed within the support such that the key insertion surface of the padlock body is exposed for external access along the proximal end of the tool box,
at least one flange extending from the second body component into the enclosed space, said flange having a bore extending therethrough,
an elongated latch rod comprising an elongated latch body portion and at least one latching portion offset from the latch body portion, said elongated latch body being disposed substantially adjacent said tool box wall whereby the enclosed space is substantially unobstructed by the elongated latch body portion, said latching portions being disposed to engage the bore of the at least one flange, said latch rod being supported in the first body component for sliding lateral movement between a release position wherein the at least one latching portion does not engage the flange bore, and a latched position wherein the at least one latching portion slidingly engages the flange bore when the box is in the closed position, the latch rod being disposed relative to the support such that the padlock body blocks the longitudinal movement of the latch rod and maintains the at least one latching portion in the latched position when the body components are in the closed position and the padlock is locked, and the latch rod passes between the shackle and the padlock body to move the at least one latching portion to the release position when the padlock is unlocked,
and a handle assessable from the outside of the box, said handle being coupled to the latch rod such that the handle may be moved to slide the latch rod between the latched and release positions, whereby a user may lock and unlock the padlock and move the latch rod between the latched and release positions.
18. The lock system for a tool box of claim 15 wherein the latch body portion is disposed to move along a first longitudinal axis and at least one of the latch body portions is disposed to move along a second longitudinal axis, said first and second longitudinal axes being disposed substantially parallel.
19. The lock system for a tool box of claim 15 wherein the latch rod has proximal and distal ends and the support is disposed at the proximal end of the latch rod when the tool box is in the closed position such that the padlock body blocks the longitudinal movement of the proximal end of the latch rod and maintains the at least one latching portion in the latched position when the body components are in the closed position and the padlock is locked.
20. The lock system for a tool box of claim 17 wherein the support further includes a wall extending along at least a portion of the padlock shackle and body, said support wall having an opening extending therethrough for receiving the proximal end of the latch rod, said support further including a channel protruding from said support wall disposed about at least a portion of said support opening and at least a portion of said proximal end of the latch rod.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A method of producing a structural part from sheet metal, in particular a body sheet having a stiffening zone in which the structural part is provided with vault structuring which increases the stiffness, and having a connection zone which is more or less free of vault structures, a vault-structured cut-to-size sheet being used as a blank for producing the structural part, said method comprising:
placing the blank into an embossing tool having a die, a resiliently mounted fixing punch engageable with a part of the blank, and a stationary forming punch engageable with another part of the blank;
lowering the die with the blank being fixed relative to the fixing punch in a region of the vault-structured stiffening zone by a fixing element which is in a leading position with respect to the die; and
further lowering of the die to shape the connection zone between the forming punch and die.
2. The method as claimed in claim 1, wherein beads are formed in the connection zone in the course of the shaping of the connection zone.
3. An embossing tool for producing a structural part having a vault-structured stiffening zone and a connection zone largely free of vault structures, starting from a blank of vault-structured sheet,
the embossing tool having a punch and a die,
wherein the die has a leading fixing element for fixing the blank in the tool and also has a basic die body,
wherein the punch of the embossing tool is of multi-piece design and comprises a fixing punch interacting with the fixing element of the die, and a forming punch displaceable with respect to the fixing punch, and
wherein the basic die body and the forming punch are provided with interacting smoothing regions for embossing the connection zone on the structural part.
4. The embossing tool as claimed in claim 3, wherein the fixing punch has an end face that is provided with a surface contour corresponding to the vault structuring of the blank.
5. The embossing tool as claimed in claim 3, wherein the leading fixing element of the die is made of an elastic material.
6. The embossing tool as claimed in claim 5, wherein the elastic material is rubber.
7. The embossing tool as claimed in claim 4, wherein the leading fixing element of the die is made of an elastic material.
8. The embossing tool as claimed in claim 7, wherein the elastic material is rubber.
9. The embossing tool as claimed in claim 3, wherein the leading fixing element of the die is designed as a spring-mounted slide, the end face of which slide is provided with a vault structure.
10. The embossing tool as claimed in claim 4, wherein the leading fixing element of the die is designed as a spring-mounted slide, the end face of which slide is provided with a vault structure.
11. The embossing tool as claimed in claim 5, wherein the leading fixing element of the die is designed as a spring-mounted slide, the end face of which slide is provided with a vault structure.
12. The embossing tool as claimed in claim 7, wherein the leading fixing element of the die is designed as a spring-mounted slide, the end face of which slide is provided with a vault structure.
13. The embossing tool as claimed in claim 3, wherein the smoothing regions of the die and of the punch comprise bead regions for embossing beads on the structural part.
14. The embossing tool as claimed in claim 4, wherein the smoothing regions of the die and of the punch comprise bead regions for embossing beads on the structural part.
15. The embossing tool as claimed in claim 5, wherein the smoothing regions of the die and of the punch comprise bead regions for embossing beads on the structural part.
16. The embossing tool as claimed in claim 9, wherein the smoothing regions of the die and of the punch comprise bead regions for embossing beads on the structural part.
17. The embossing tool as claimed in claim 7, wherein the smoothing regions of the die and of the punch comprise bead regions for embossing beads on the structural part.
18. The embossing tool as claimed in claim 12, wherein the smoothing regions of the die and of the punch comprise bead regions for embossing beads on the structural part.
19. A method of making a vehicle body structural part from a sheet material blank which has a stiffening zone with vault structuring increasing stiffness of the sheet material, said method comprising:
placing the blank in an embossing tool having a die, a resiliently mounted fixing punch engageable with a part of the blank, and a stationary forming punch engageable with another part of the blank,
moving the die and blank toward one another with fixing of a portion of the vault structuring clamped against lateral movement, and
further moving the die and blank toward one another to compress a portion of the vault structuring to form a connection zone.
20. The method according to claim 19, wherein said fixing of the portion of the vault structuring against lateral movement includes engaging the sheet material blank with elastic parts of the embossing tool.
21. The method according to claim 19, wherein beads are formed in the connection zone in the course of the shaping of the connection zone.
22. The method according to claim 20, wherein beads are formed in the connection zone in the course of the shaping of the connection zone.
23. An embossing tool for producing a structural part having a vault-structured stiffening zone and a connection zone largely free of vault structures, starting from a blank of vault-structured sheet, comprising:
elastic means for elastically clamping the vault-structured sheet during a first part of relative movement of a die, a resiliently mounted fixing punch engageable with a part of the blank, and a stationary forming punch engageable with another part of the blank toward one another, and
smoothing means operable to smooth out connection zones in the vault-structured sheet during further part of said relative movement while said elastic means continue to clamp the sheet without compressing vault-structured stiffening zones thereof.