Author: claimsbot

What is claimed is:

1. A unitary undergarment for supporting and shaping the profile of a wearer and having a front panel, a back panel, a top edge, a bottom edge comprising:
a. torso shaping means surrounding at least the waist of the wearer;
b. buttocks shaping means; and
c. frictional securing means at least attached to the top edge;
wherein the top edge extends on the wearer to a point between the bust and the waist of the wearer, the bottom edge extends to a point between the upper thighs and the knees of the wearer, the torso shaping means comprises a material with an elasticity and serves to shape and smooth the waist of the wearer, the buttocks shaping means comprises a vertical displacement of the material between the buttocks, and the frictional securing means comprises a slip-resistant material relative to the skin of the wearer;
whereby the elasticity of the material and the frictional securing means hold the undergarment in place against a wearer.
2. The undergarment as claimed in claim 1, wherein the frictional securing means comprises a flexible material substrate impregnated with the slip-resistant material.
3. The undergarment as claimed in claim 2, wherein the flexible material substrate is a cloth and the slip-resistant material is a silicone.
4. The undergarment as claimed in claim 1, whereby the buttocks shaping means comprises a medial seam that maintains a relaxed state along the backside in the buttocks region.
5. The undergarment as claimed in claim 1, wherein the material of the undergarment is selected from the group consisting of nylon, spandex, cotton, polyester, or combinations thereof.
6. A unitary, strapless undergarment with a front side and a backside for supporting and shaping the profile of a wearer comprising:
a. buttocks shaping means;
b. frictional securing means;
c. a pleated opening in the groin region of the undergarment;
d. a single front medial seam along the front panel; and
e. a single back medial seam along the back panel p1 wherein the top edge undergarment extends as far up as the region flanking the bust-line and as far down as the upper thigh region and can be worn clandestinely under an outer garment, and is substantially smooth; the frictional securing means comprises a slip-resistant material relative to the skin of the wearer; and the buttocks shaping means allows for an enhanced buttocks by lifting the material of the undergarment in the buttocks region.
7. The undergarment as claimed in claim 6, wherein the single back medial seam is positioned to run along the spinal column of the wearer.
8. The undergarment as claimed in claim 6, wherein the single front medial seam is positioned to run along the sternum of the wearer.
9. The undergarment as claimed in claim 6, wherein the buttocks shaping means is a series of vertical stitches in the material of the undergarment substantially between the buttocks.
10. A unitary undergarment with a front panel and a back panel for supporting and shaping the profile of a wearer comprising:
a. a buttocks shaping means;
b. a frictional securing means;
wherein the frictional securing means comprises a cloth material impregnated with a slip-resistant material relative to the skin of the wearer; the buttocks shaping means allows for an enhanced buttocks by lifting the material of the undergarment in the buttocks region.
11. The undergarment as claimed in claim 10, further comprising a single back medial seam on the back panel.
12. The undergarment as claimed in claim 11, whereby the buttocks shaping means compresses vertically the single back medial seam in the buttocks region.
13. The undergarment as claimed in claim 12, further comprising a single front medial seam on the front panel.
14. The undergarment as claimed in claim 13, further comprising a pleated opening in the groin region of the undergarment.
15. The undergarment as claimed in claim 14, wherein the single back medial seam runs substantially along the wearer’s spinal column.
16. The undergarment as claimed in claim 15, wherein the frictional securing means is lace impregnated with a slip-resistant material relative to the skin of the wearer.
17. The undergarment as claimed in claim 10, wherein the undergarment consists only of substantially straight seams.
18. A unitary strapless undergarment with a front panel, a back panel, a top edge and a bottom edge, for supporting and shaping the profile of a wearer comprising:
a. a buttocks shaping means;
b. a single front medial seam along the front side; and
c. a single back medial seam along the backside;
wherein the undergarment extends as far up as the region flanking the bust-line and as far down as the thigh region, can be worn clandestinely under an outer garment, and is substantially smooth; the buttocks shaping means allows for an enhanced buttocks shape and comprises slack in the material of the garment along the single back medial seam; and the buttocks shaping means, the single front medial seam, and the back medial seam are substantially straight seams.
19. The undergarment as claimed in claim 18, further comprising a frictional securing means located at the top edge and at the bottom edge of the undergarment.
20. The undergarment as claimed in claim 19, further comprising a reversible pleated opening in the groin region of the undergarment for facilitation of urination.
21. An undergarment and hose combination, wherein:
a. the undergarment comprises (i) torso shaping means surrounding at least the waist of the wearer; (ii) buttocks shaping means; and (iii) frictional securing means at least attached to the top edge; wherein the top edge extends on the wearer to a point between the bust and the waist of the wearer, the bottom edge extends to a point between the upper thighs and the knees of the wearer, the torso shaping means comprises a material with an elasticity and serves to shape and smooth the waist of the wearer, the buttocks shaping means comprises a vertical displacement of the material between the buttocks, and the frictional securing means comprises a slip-resistant material relative to the skin of the wearer; and whereby the elasticity of the material and the frictional securing means hold the undergarment in place against a wearer; and
b. the hose comprises a leg section and an upper band,
wherein, the upper band of the hose cooperates with the bottom edge of the undergarment so as to hold the hose securely in a position on the leg.
22. The undergarment and hose combination as claimed in claim 21, wherein the bottom edge of the undergarment comprises frictional securing means.
23. The undergarment and hose combination as claimed in claim 22, wherein the frictional securing means comprises a flexible material substrate impregnated with the slip-resistant material.
24. The undergarment and hose combination as claimed in claim 23, wherein the upper band of the hose has an inner surface and an outer surface and further comprises the frictional securing means.
25. The undergarment and hose combination as claimed in claim 24, wherein the frictional securing means of the upper band of the hose is located on the outer surface of the upper band of the hose.
26. The undergarment and hose combination as claimed in claim 24, wherein the frictional securing means of the upper band of the hose is located on the inner surface of the upper band of the hose.
27. The undergarment and hose combination as claimed in claim 24, wherein the frictional securing means of the upper band of the hose is located on both the outer surface and the inner surface of the upper band of the hose.
28. A strapless undergarment and hose combination with the undergarment having a front side and a backside for supporting and shaping the profile of a wearer, the combination comprising:
a. buttocks shaping means;
b. frictional securing means;
c. a pleated opening in the groin region of the undergarment;
d. a single front medial seam along the front panel;
e. a single back medial seam along the back panel; and
f. hose,
wherein the top edge undergarment extends as far up as the region flanking the bust-line and as far down as the upper thigh region and can be worn clandestinely under an outer garment, and is substantially smooth; the frictional securing means comprises a slip-resistant material relative to the skin of the wearer; the buttocks shaping means allows for an enhanced buttocks by lifting the material of the undergarment in the buttocks region; and an upper edge of the hose cooperates with a lower edge of the undergarment to maintain the hose in a desired position on the leg of the wearer.
29. The undergarment and hose combination as claimed in claim 28, wherein the single back medial seam is positioned to run along the spinal column of the wearer, the single front medial seam is positioned to run along the sternum of the wearer, and the buttocks shaping means is a series of vertical stitches in the material of the undergarment substantially between the buttocks.
30. An undergarment and hose combination, with the undergarment having a front panel and a back panel for supporting and shaping the profile of a wearer, the combination comprising:
a. a buttocks shaping means;
b. a frictional securing means; and
c. hose,
wherein the frictional securing means comprises a cloth material impregnated with a slip-resistant material relative to the skin of the wearer; the buttocks shaping means allows for an enhanced buttocks by lifting the material of the undergarment in the buttocks region; and an upper edge of the hose cooperates with a lower edge of the undergarment to maintain the hose in a desired position on the leg of the wearer.
31. The undergarment as claimed in claim 30, further comprising a single back medial seam on the back panel whereby the buttocks shaping means compresses vertically the single back medial seam in the buttocks region.
32. The undergarment as claimed in claim 31, further comprising a pleated opening in the groin region of the undergarment.
33. The undergarment as claimed in claim 32, wherein the frictional securing means is lace impregnated with a slip-resistant material relative to the skin of the wearer.
34. The undergarment and hose combination as claimed in claim 33, wherein the upper band of the hose has an inner surface and an outer surface and further comprises the frictional securing means.
35. The undergarment and hose combination as claimed in claim 33, wherein the frictional securing means of the upper band of the hose is located on the outer surface of the upper band of the hose.
36. The undergarment and hose combination as claimed in claim 33, wherein the frictional securing means of the upper band of the hose is located on the inner surface of the upper band of the hose.
37. The undergarment and hose combination as claimed in claim 33, wherein the frictional securing means of the upper band of the hose is located on both the outer surface and the inner surface of the upper band of the hose.
38. A strapless undergarment and hose combination, the undergarment having a front panel, a back panel, a top edge and a bottom edge, for supporting and shaping the profile of a wearer, the combination comprising:
a. a buttocks shaping means;
b. a single front medial seam along the front side;
c. a single back medial seam along the backside; and
d. hose,
wherein the undergarment extends as far up as the region flanking the bust-line and as far down as the thigh region, can be worn clandestinely under an outer garment, and is substantially smooth; the buttocks shaping means allows for an enhanced buttocks shape and comprises slack in the material of the garment along the single back medial seam; the buttocks shaping means, the single front medial seam, and the back medial seam are substantially straight seams; and an upper edge of the hose cooperates with a lower edge of the undergarment to maintain the hose in a desired position on the leg of the wearer.
39. The undergarment and hose combination as claimed in claim 38, further comprising a frictional securing means located at the top edge and at the bottom edge of the undergarment, and a frictional securing means located at the upper edge of the hose.
40. The undergarment and hose combination as claimed in claim 39, further comprising a reversible pleated opening in the groin region of the undergarment for facilitation of urination.

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

I Claim:

1. A dual hydraulic booster assembly for a vehicle braking system incorporating a logic valve responsive to booster pressures to control the supply of pressure fluid for braking on one side of a vehicle when one booster is operated on its own in a first mode of operation, and for braking on both sides of vehicle when both boosters are operated simultaneously in a second mode of operation.
2. An assembly according to claim 1, wherein, in the first mode of operation, when one booster is operated, the supply of pressure fluid causes braking of one rear wheel on one side of the vehicle associated with that booster to facilitate steering and, in the second mode of operation, when both boosters are operated simultaneously, the supply of pressure fluid causes braking of the wheels on both sides of the vehicle for normal service braking.
3. An assembly according to claim 1, wherein each booster comprises a boost piston working in a bore in a body adapted to generate an output force for operating an hydraulic master cylinder coupled to the rear brakes on one side of the vehicle in response to pressure in a boost chamber which is applied to a proportional power pressure chamber under the control of a control valve, in turn responsive to an input force from a pedal.
4. An assembly according to claim 3, wherein each booster and associated master cylinder are combined and both booster and master cylinder assemblies are integrated in a common housing with the outputs from said master cylinders arranged to operate the rear brakes on opposite sides of the vehicle.
5. An assembly according to claim 3, wherein said logic valve comprises inner and outer pressure-responsive telescopic pistons working in a bore in said body and responsive to pressure applied to outer ends of said pistons by the associated booster to control the supply of pressure fluid in the first and second modes of operation.
6. An assembly according to claim 5, wherein said pistons are held in a passive condition of said logic valve by a first spring acting between said pistons, and by a second spring acting on said outer piston only with respective pre-loads of said springs being chosen to withstand the collective threshold forces of seals on each piston to ensure full return of each piston to the passive condition upon release of the pressure applied to said outer end.
7. An assembly according to claim 5, wherein in the second mode of operation, displacement of both pistons relative to each other when both boosters are actuated allows flow through passages leading from said boosters to a pressure chamber defined between said pistons for braking on both sides of a vehicle.
8. An assembly according to claim 7, wherein said passages are isolated from said pressures chamber in both the passive condition and when either booster is operated on its own.
9. An assembly according to claim 6, wherein said logic valve is provided with oppositely acting one-way return valves which are normally open in the passive condition, and are closed to prevent fluid flowing from said pressure chamber back to said boosters when said pressure chamber is pressurised and which open again to return fluid to a reservoir upon release of the boost pressure at the end of the braking cycle.
10. An assembly according to claim 9, wherein said pistons are displaced by the full boost pressure from the associated booster which acts to close said one-way valves and, when both boosters are operated together, said pressure chamber is connected to the proportional pressure in said proportional power pressure chambers of both boosters which never exceeds the full boost pressure to ensure said one-way valves remain closed.
11. An assembly according to claim 10, wherein, at the knee-point of said booster assembly, when the proportional pressure equals the full boost pressure, said logic valve is held in equilibrium and said springs urge said pistons into the passive position, but with full boost pressure applied through said pressure chamber.
12. An assembly according to claim 1, wherein a pressure amplifier valve is provided to increase the pressure of the pressure fluid supplied by said logic valve when both boosters are operated simultaneously.
13. An assembly according to claim 12, wherein said boosters, logic valve and amplifier unit form an integrated unit.
14. An assembly according to claim 12, wherein said amplifier valve comprises a piston working in a stepped bore to define chambers of different area for increasing the proportional pressure from said logic valve in a ratio according to the quotient of the areas.
15. An assembly according to claim 14, wherein, said piston is responsive to the proportional pressure from said logic valve to displace said piston against a return force and pressurise fluid in an outlet chamber connected to a braking system for the front brakes and, where provided, trailer brakes, and said outlet chamber is connected to a reservoir to relieve the pressure in said outlet chamber when the brakes are released.
16. A dual hydraulic booster assembly for vehicle hydraulic braking systems comprising a pair of pedal-operated hydraulic boosters adapted to be operated independently for applying a brake on a wheel on one side of the vehicle to facilitate steering in a first mode of operation and simultaneously for applying brakes on wheels on opposite sides of a vehicle for vehicle retardation in a second mode of operation, and a pressure amplifier valve for increasing the fluid pressure obtained in the second mode of operation when both boosters are operated simultaneously.
17. An assembly according to claim 16, wherein a logic valve responsive to booster pressures is operable to isolate said pressure amplifier valve from said boosters when one booster is operated on its own in the first mode of operation, and to place said pressure amplifier valve in fluid communication with said boosters when both boosters are operated simultaneously in the second mode of operation.
18. A dual hydraulic booster assembly for a vehicle braking system incorporates a logic valve and a pressure amplifier valve, said logic valve being responsive to booster pressures to isolate said pressure amplifier valve when one booster is operated on its own in a first mode of operation, and provide a supply of pressure fluid to said pressure amplifier valve when both boosters are operated simultaneously in a second mode of operation.
19. An assembly according to claim 18, wherein said boosters provide independent braking of rear wheels on opposite sides of a vehicle in the first mode of operation and simultaneous braking of front wheels on both sides of the vehicle and for wheels of a trailer where provided in the second mode of operation.
20. A dual hydraulic booster assembly for a vehicle hydraulic braking system of the kind comprising a pair of pedal-operated hydraulic boosters which are adapted to be operated simultaneously for applying brakes on wheels on opposite sides of a vehicle for vehicle retardation and independently for applying a brake on a wheel on one side of the vehicle to facilitate steering, in which each booster comprises a boost piston working in a bore in a body adapted to generate an output force for operating an hydraulic master cylinder in response to pressure in a boost chamber which is applied to a proportional power pressure chamber under the control of a control valve, in turn responsive to an input force from the pedal, and a logic valve responsive to booster pressures to control the supply of pressure fluid to a common outlet port, the logic valve being movable between a rest position, to isolate the outlet port from both boosters when one booster is operated on its own, and an open position in which pressure fluid is supplied to the outlet port when both boosters are operated simultaneously.

1. A mixing assembly for mixing solutions within a biochemical analyzer, the assembly comprising:
a sampling probe needle depending from a moveable arm;
an electromagnet proximate a ferromagnetic plate attached to the moveable arm for reciprocating the moveable arm in a first direction;
a foot protruding from the moveable arm, the foot having a pin extending vertically upwards; and,
a curved surface mounted to a stationary block and positioned in contact with said pin, whereby reciprocating the moveable arm in the first direction causes the pin to roll along the curved surface, whereby the moveable arm is reciprocated in a second direction perpendicular to said first direction.
2. The mixing assembly of claim 1 wherein the movement in the second direction is generally larger than movement in the first direction, thereby causing the probe needle to be moved in a generally ellipsoidal mixing pattern.
3. The mixing assembly of claim 1 wherein the movement in the second direction is generally twice as large as the dimension of movement in the first direction, thereby causing the probe needle to be moved in a generally \u201cboomerang-shaped\u201d mixing pattern.
4. The mixing assembly of claim 1 wherein the curved surface is a roller bearing or a stationary pin.
5. The mixing assembly of claim 1 wherein the distance between the electromagnet and the plate is adjusted to maintain the displacement of the probe needle to be within a range of about 0.6 to about 1.2 mm.

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 door structure of an electric rail car comprising:
a door frame having an opening thereinside;
a guide rail guiding an opening and a closing of the door frame; and
a sealing device inserted into the opening, descending to make contact with the guide rail when the door frame is closed, and ascending to be spaced apart from the guide rail when the door frame is open.
2. The door structure of claim 1, further comprising:
a first magnet disposed at a side of the sealing device; and
a second magnet disposed a side of the guide rail,
wherein the sealing device descends due to attraction between the first and second magnets.
3. The door structure of claim 1, further comprising:
an electric body having first and second ends, the first end being connected to the side of the sealing device, the second end being connected to a side of the door frame,
wherein the sealing device ascends due to a restoring force of the electric body generated when the sealing device descends.
4. The door structure of claim 1, wherein the door frame comprises an outer wall and an inner wall, and the sealing device comprises at least one protrusions which move outside of the door frame through a gap between the outer and inner walls.
5. The door structure of claim 4, wherein the protrusion comprises an electric material to tightly adhere to the outer and inner walls when moving, and tightly adheres to the guide rail when the door frame is closed.
6. The door structure of claim 4, wherein two protrusions are formed along a vertical direction substantially parallel with an extending direction of the door frame, and make contact with the guide rail when the door frame is closed.
7. The door structure of claim 2, wherein a plurality of first magnets and a plurality of second magnets are disposed along an opening and closing direction of the door frame, and the first magnets and the second magnets are respectively disposed to face with each other such that the attraction is generated when the first and second magnets are respectively arranged to face with each other.
8. The door structure of claim 7, wherein an opening speed of the door frame is determined such that the attraction between the first and second magnets is negligible when the door frame is opening.