Author: claimsbot

1. A drive mechanism for a down draft vent system comprising:
two switches for switching off a drive motor that is operable to move a vertically directed framework of a down draft vent system, the drive motor moving the framework between an extended position and a lowered position; and
at least one actuating element for actuating at least one of the switches, the at least one actuating element actuating the at least one switch as a function of a force (FW) acting externally on the framework.

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

What is claimed is:

1. A watercraft having a hull including a main body, an upper wall engaging said hull and cooperating therewith to define an engine compartment for housing an engine having an output shaft arranged to drive a water propulsion device of said watercraft, said upper wall having a top surface and a bottom surface, said bottom surface facing forwardly towards said engine compartment, a first steering means extending through said upper wall and in communication with a steering mechanism of said watercraft, said first steering means also coupled to a steering shaft and handle, said steering shaft and handle journalled for rotation about a first axis with respect to a rotation member, said rotation member being rotatably affixed to said top side of said upper wall opposite said engine compartment thereby allowing the rotation of said rotation member and said steering shaft and handle in a forward and rearward direction about a second axis generally perpendicular to a longitudinal axis of said watercraft and said first axis and whereby said steering shaft and handle is independently rotatable with respect to said rotation member about said first axis.
2. A watercraft of claim 1 further including releasable locking means for locking said rotation member at an angle of rotation selected by the operator of said watercraft.
3. A watercraft of claim 2 wherein said releasable locking means allow said rotation member to be locked at predetermined positions.
4. A watercraft of claim 2 wherein said releasable locking means are located between said top surface of said upper wall and below said steering shaft and handle.
5. A watercraft of claim I further including stopper means for limiting the travel of said rotation member in a forward and rearward direction.
6. A watercraft of claim 1 wherein said rotation member includes at least one fixed portion pivotally coupled with at least one rotating portion and said steering shaft and handle rotatably affixed to said rotation portion.
7. A watercraft of claim 6 further including spring means affixed to said fixed portion and said rotating portion for counterbalancing said rotation member and said steering shaft and handle.
8. A watercraft of claim 1 further including a cover member attached to said upper wall at least partially enclosing and encasing at least a portion of said rotation member.
9. A watercraft of claim 1 further including a display panel affixed to said top side of said upper wall on a side opposite said engine compartment wherein said display having a face with an upper edge and a lower edge.
10. A watercraft of claim 9 further defining a plane substantially perpendicular to said face and extending through said lower edge.
11. A watercraft of claim 1 further including a pad assembly having a front end and a rear end wherein said pad assembly is affixed to rotate and pivot with said steering shaft and handle in a forward and rearward direction.
12. A watercraft of claim 11 wherein at a forward rotation of said rotation member said front end of said pad assembly is positioned rearwardly of said plane.
13. A watercraft of claim 11 wherein at a forward rotation of said rotation member said front end of said pad assembly is positioned forwardly of said plane.
14. A watercraft of claim 11 wherein said steering shaft and handle and pad assembly further includes a throttle lever rotating about a third axis substantially vertical during at least a portion of the rotation of said rotation member.
15. A watercraft of claim 14 wherein said third axis is substantially vertical when said steering shaft and handle are rotated in a rearward direction.
16. A watercraft of claim 1 further including a switch box attached to said steering shaft and handle wherein said switch box including a rearward face.
17. A watercraft of claim 16 wherein when said steering shaft and handle is rotated in a rearward direction said rearward face is substantially vertical.
18. A watercraft of claim 16 wherein when said rearward face is substantially vertical during at least a portion of the rotation of said rotation member.
19. A watercraft of claim 1 further including a universal joint coupling said first steering means to said steering shaft and handle and said universal joint is positioned above said top side of said upper wall.
20. A watercraft of claim 19 further including a cover member attached to said top side of said upper wall at least partially enclosing at least a portion of said rotation member and said universal joint.
21. A watercraft of claim 20 wherein said cover includes a longitudinally extending slot and said steering shaft and handle extend through said slot allowing forward and rearward rotation of said steering shaft and handle.
22. A watercraft of claim 21 further including a pad affixed to rotate and pivot with said steering shaft and handle.
23. A watercraft of claim 22 wherein said pad includes a generally arcuate bottom side a front edge and a rear edge.
24. A watercraft of claim 23 wherein at least a portion of said pad is positioned above said cover.
25. A watercraft of claim 20 wherein said cover further includes a generally arcuate top side.
26. A watercraft of claim 25 wherein said steering shaft and handle is rotatable about said universal joint and said front edge of said pad is positioned forward of said universal joint when said steering shaft and said handle and said pad are rotated in a forward direction.
27. A watercraft of claim 1 further including a sealing member in said upper wall to seal said first steering means extending through said upper wall.
28. A watercraft of claim 27 wherein said steering shaft is coupled to said rotation member by at least two bearings.
29. A watercraft of claim 28 wherein said first steering means is coupled to said steering shaft at a position on said steering shaft between at least two bearings.
30. A watercraft of claim 29 wherein said first steering means extends substantially horizontally.
31. A watercraft of claim 29 wherein said first steering means extends substantially vertically.
32. A watercraft of claim 1 further including bearing means affixed to the top side of said upper wall for rotatably supporting said first steering means.
33. A watercraft of claim 32 further including a support bracket support bracket for reinforcing said bearing means and said support bracket being located on a bottom side of said upper wall.
34. A watercraft of claim 33 further including releasable locking means.
35. A watercraft of claim 34 further including a cover member attached to said top side of said upper wall at least partially enclosing said bearing means and said releasable locking means.
36. A watercraft having a hull including a main body, an upper wall engaging said hull thereby creating an engine compartment for housing an engine of said watercraft, a seating means located on a side of said upper wall opposite said engine compartment, a first steering means extending through said upper wall and in communication with a steering mechanism on said watercraft, said first steering means also coupled to a second steering means, said second steering means rotatably affixed to a rotation member, said rotation member being affixed to a side of said upper wall opposite said engine compartment thereby allowing the rotation of said rotation member and said second steering means about an axis generally perpendicular to a longitudinal axis of said watercraft and locking means for releasably locking the rotation member.
37. A watercraft of claim 36 further including rotation limiting means for limiting the travel of said rotation member in a forward and rearward direction.
38. A watercraft of claim 36 wherein said rotation member includes at least one fixed portion pivotally coupled with at least one rotating portion and said second steering means is rotatably affixed to said rotation portion.
39. A watercraft of claim 36 wherein said rotation member includes at least one fixed portion pivotally coupled with at least one rotating portion and said second steering means rotatably affixed to said rotation portion.
40. A watercraft of claim 39 further includes spring means affixed to said fixed portion and said rotating portion for counterbalancing said rotation member and said second steering means.
41. A watercraft of claim 40 further including a cover member attached to said upper wall at least partially enclosing and encasing at least a portion of said rotation member.
42. A watercraft of claim 36 further including a gauge panel affixed to said upper top side of said wall on a side opposite said engine compartment.
43. A watercraft of claim 36 further including a pad and handle bar assembly connected to said second steering means wherein said pad and handle bar assembly are affixed to rotate and pivot with said second steering means.
44. A watercraft of claim 43 wherein at a forward rotation of said rotation member said pad and handle bar assembly at least partially cover said gauge panel.
45. A watercraft of claim 43 wherein said pad and handle bar assembly further includes a throttle lever rotating about at axis substantially vertical during at least part of the rotation of said rotation member.

1. An oil brake driving device, comprising:
a main body, having a front end with an enclosed space and a rear end with a rear opening which is connected with said enclosed space;
an expansion piece, placed in said enclosed space and having a pressure chamber and an opening; and
a connecting head, having a channel and a front end that is connected with said opening of said expansion piece and being fastened on said rear opening of said main body.
2. The oil brake driving device according to claim 1, wherein said connecting head and said expansion piece are integrated into a single body.
3. The oil brake driving device according to claim 1, wherein said connecting head and said expansion piece are fastened to said main body by screws.
4. The oil brake driving device according to claim 1, wherein said expansion piece has a front side on which a piston is set.
5. The oil brake driving device according to claim 4, wherein said piston carries a caliper.
6. The oil brake driving device according to claim 4, wherein said piston has a cross-section shaped like the letter H.
7. The oil brake driving device according to claim 4, wherein said piston has a cross-section shaped like the letter U.
8. The oil brake driving device according to claim 1, wherein said expansion piece has a periphery with bellows.
9. An oil brake driving device, comprising:
a main body, having a front end and an enclosed space;
an expansion piece, placed in said front end of said main body and having a rear side;
a pressure plate, attached to said rear side of said expansion piece and having a hole; and
a connecting head, having a channel and a front end that is connected with said expansion piece and being fastened on said hole of said pressing plate.
10. The oil brake driving device according to claim 9, wherein said expansion piece has a pressure chamber.
11. The oil brake driving device according to claim 9, wherein said expansion piece has a front side on which a piston is set.
12. The oil brake driving device according to claim 10, wherein said piston carries a caliper.
13. The oil brake driving device according to claim 10, wherein said piston has a cross-section shaped like the letter H.
14. The oil brake driving device according to claim 10, wherein said piston has a cross-section shaped like the letter U.
15. The oil brake driving device according to claim 9, wherein said expansion piece has a periphery with bellows.

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

1-22. (canceled)
23. A method for inhibiting in vivo synthesis of a PI3 kinase-dependent inflammatory cytokine in a vertebrate, comprising a step of administering Li ion to the vertebrate.
24. The method of claim 23, wherein the cytokine is IL-12.
25. The method of claim 23, wherein the Li ion is administered by injection or oral administration.
26. A method for suppressing cell-mediated immune responses in a vertebrate, comprising a step of administering Li ion to the vertebrate.
27. The method of claim 26, wherein the Li ion is administered by injection or oral administration.
28. A method for activating humoral immune responses in a vertebrate, comprising a step of administering Li ion to the vertebrate.
29. The method of claim 28, wherein the Li ion is administered by injection or oral administration.
30. A therapeutic method for treating a disease resulting from synthesis of a PI3 kinase-dependent inflammatory cytokine, comprising a step of administering Li ion to the vertebrate.
31. The therapeutic method of claim 30, wherein the cytokine is IL-12.
32. The therapeutic method of claim 31, wherein the Li ion is administered by injection or oral administration.
33. A therapeutic method for a disease resulting from an increase in the ratio of a cell-mediated immune response to a humoral immune response, comprising a step of administering Li ion to the vertebrate.
34. The therapeutic method of claim 33, wherein the disease is a disorder resulting from proliferation of pathogenic E. coli, an immune-mediated inflammatory disorder (IMID), a habitual miscarriage, an organ-specific autoimmune disease based on delayed type hypersensitivity, a hepatic disorder, or arteriosclerosis.
35. The therapeutic method of claim 33, wherein the Li ion is administered by injection or oral administration.
36. A method for suppressing in vivo proliferation of pathogenic E. coli in a vertebrate, comprising a step of administering Li ion to the vertebrate.
37. The method of claim 36, wherein the Li ion is administered by injection or oral administration.