1. A revolver comprising:
a barrel, having a bore;
an non-radially symmetric ammunition cylinder proximate the barrel and powered by a torsion spring residing outside the cylinder and underneath the barrel, the cylinder further comprising:
a plurality of ammunition chambers; and
a plurality of lock grooves located on an exterior surface of the cylinder, at least one of said lock grooves being a safety lock groove;
a pivotable locking bar, one end of said locking bar being a locking bar key; and
a hammer;
wherein, when in a stowed configuration, the cylinder is situated in a manner that no chamber is centered over the bore of the barrel and the hammer and the locking bar key resides within the safety lock groove and, upon actuation of the hammer, the locking bar pivots to remove the locking bar key from the safety lock groove, freeing the cylinder to rotate, powered by the torsion spring, such that a first chamber is centered over the bore of the barrel and the hammer and the locking bar key resides in the next consecutive lock groove.
2. The revolver of claim 1, the cylinder having at least two opposing flat sides, said opposing flat sides being outwardly presented when the revolver is in a stowed configuration.
3. The revolver of claim 1, the cylinder further comprising a cylinder stop projecting from the exterior surface of the cylinder.
4. The revolver of claim 1, the locking bar further comprising a chamfer that is positioned into a path of rotation of the cylinder when the locking bar is pivoted such that the chamfer will block one corner of the cylinder, positioning it in a manner to facilitate the locking bar key to interface with one of the lock grooves.
5. The revolver of claim 1, the ammunition chambers further comprising internal rifling grooves.
6. The revolver of claim 1, further comprising a plurality of barrels, matching in number the plurality of ammunition chambers.
7. The revolver of claim 6, the torsion spring residing in a non-concentric relationship with an axis defined by the cylinder.
8. The revolver of claim 1, the revolver being a single action revolver.
9. The revolver of claim 8, further comprising:
a trigger;
a sear-spur fashioned on a trigger;
a hammer detent groove fashioned in the hammer; and
a hammer pawl;
wherein the sear-spur engages the hammer detent groove after the hammer is cocked, and the cocking of the hammer moves the hammer in a manner that the hammer pawl interacts with the lock bar and allows the cylinder to advance to a next chamber.
10. The revolver of claim 8, the pawl being pivotable in relation to the hammer.
11. The revolver of claim 1, the revolver being a double action revolver.
12. The revolver of claim 11 further comprising:
a. a trigger;
b. a drawbar operatively connected to the trigger;
c. a sear-spur fashioned on the drawbar;
d. a hammer detent groove fashioned in the hammer
e. a hammer pawl;
wherein the sear-spur interacts with the hammer detent groove while the trigger is being pulled, thus moving the hammer in a manner that the hammer pawl interacts with the cylinder locking bar and advances the cylinder to a next successive chamber.
13. The revolver of claim 12, further comprising a ramp, fashioned on an end of the drawbar opposite the trigger and a guide pin, positioned proximate the ramp such that when the trigger is pulled, the ramp will interface with the guide pin and said interaction will facilitate eventual disconnection of the sear-spur from the hammer detent groove.
14. A revolver comprising:
a barrel, having a bore;
an non-radially symmetric ammunition cylinder proximate the barrel and powered by a torsion spring residing outside the cylinder, the cylinder further comprising:
a cylinder stop projecting from the exterior surface of the cylinder;
a plurality of ammunition chambers; and
a plurality of lock grooves located on an exterior surface of the cylinder, at least one of said lock grooves being a safety lock groove;
a pivotable locking bar, one end of said locking bar being a locking bar key; and
a hammer;
wherein, when in a stowed configuration, the cylinder is situated in a manner that no chamber is centered over the bore of the barrel and the hammer and the locking bar key resides within the safety lock groove and, upon actuation of the hammer the locking bar pivots to remove the locking bar key from the safety lock groove, freeing the cylinder to rotate, powered by the torsion spring, such that a first chamber is centered over the bore of the barrel and the hammer and the locking bar key resides in the next consecutive lock groove.
15. A double-action revolver comprising:
a barrel, having a bore;
an non-radially symmetric ammunition cylinder proximate the barrel and powered by a torsion spring residing outside the cylinder, the cylinder further comprising:
a plurality of ammunition chambers; and
a plurality of lock grooves located on an exterior surface of the cylinder, at least one of said lock grooves being a safety lock groove;
a pivotable locking bar, one end of said locking bar being a locking bar key;
a hammer;
a trigger;
a drawbar operatively connected to the trigger;
a sear-spur fashioned on the drawbar;
a hammer detent groove fashioned in the hammer; and
a hammer pawl;
wherein, when in a stowed configuration, the cylinder is situated in a manner that no chamber is centered over either of the bore of the barrel or the hammer and the locking bar key resides within the safety lock groove and, upon actuation of the hammer, the locking bar pivots to remove the locking bar key from the safety lock groove, freeing the cylinder to rotate, powered by the torsion spring, such that a first chamber is centered over the bore of the barrel and the hammer and the locking bar key resides in the next consecutive lock groove and the sear-spur interacts with the hammer detent groove while the trigger is being pulled, thus moving the hammer in a manner that the hammer pawl interacts with the cylinder locking bar and advances the cylinder to a next successive chamber.
16. The revolver of claim 15 further comprising a ramp, fashioned on an end of the drawbar opposite the trigger and a guide pin, positioned proximate the ramp such that when the trigger is pulled, the ramp will interface with the guide pin and said interaction will facilitate eventual disconnection of the sear-spur from the hammer detent groove.
17. A cylinder for a revolver, the cylinder comprising:
a. a central axis and at least four sides, each side forming a corner with two sides adjacent thereto;
b. at least one side being convex;
c. at least two sides, adjacent the at least one convex side, being non-convex;
d. at least four chambers, each chamber individually located proximate one of the corners;
e. at least one safety notch, located on the at least one convex side;
wherein, when the safety notch is engaged, no chamber is located in a vertical orientation with respect to the central axis.
18. The cylinder of claim 17, further comprising one additional non-convex side, opposite the at least one convex side.
19. The cylinder of claim 17, further comprising only four sides, four corners and four chambers in which to hold ammunition, said chambers being located proximate the four corners of the cylinder.
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. In a lavatory having a base and a commode with a bowl, an apparatus comprising:
a panel coupled to the base and configured for movement between a first position and a second position;
a cover coupled to the panel and configured for movement between a first position and a second position; and
a first linkage including a motion dampening device coupled to the cover and configured to dampen the movement of the cover;
wherein access to the bowl of the commode is at least partially obstructed by movement of the cover.
2. The apparatus of claim 1 wherein the cover is deployed in the first position of the cover and is stowed in the second position of the cover.
3. The apparatus of claim 2 wherein the cover is configured to provide a seating surface when deployed and wherein the panel is a backrest.
4. The apparatus of claim 1 wherein the panel is deployed in the first position of the panel and stowed in the second position of the panel.
5. The apparatus of claim 1 further comprising a second linkage coupled to the panel and the cover and configured to transfer movement of the cover to movement of the panel.
6. The apparatus of claim 1 wherein the motion dampening device provides a first force that biases the cover in at least one of the first position or the second position.
7. The apparatus of claim 6 wherein the first force is configured to assist the movement of the cover and to counteract a second force generated by the weight of the cover.
8. The apparatus of claim 1 wherein the motion dampening device comprises at least one of a gas spring, a shock, a damper, a hydraulic shock, or a solid spring.
9. The apparatus of claim 1 wherein the motion dampening device is configured to provide a generally constant impedance.
10. The apparatus of claim 1 wherein the motion dampening device is configured to provide a varying impedance to movement of the cover.
11. The apparatus of claim 1 further comprising a biasing member coupled to the cover and configured to provide a biasing force on the cover.
12. The apparatus of claim 11 wherein the biasing force is applied to the cover when the cover is near at least one of the first position of the cover or the second position of the cover.
13. The apparatus of claim 12 wherein the biasing force applied to the cover is reduced when the cover is generally midway between the first position of the cover and the second position of the cover.
14. The apparatus of claim 12 wherein the biasing force is configured to assist in initiating movement of the cover from at least one of the first position of the cover or the second position of the cover.
15. The apparatus of claim 11 wherein the biasing force is applied to the cover when the cover is near the first position of the cover and the second position of the cover.
16. The apparatus of claim 11 wherein the biasing member comprises a spring.
17. The apparatus of claim 1 wherein the motion dampening device is configured to dampen the velocity that the cover can move between the first position of the cover and the second position of the cover.
18. The apparatus of claim 1 wherein the movement of the panel between the first position of the panel and the second position of the panel is translating movement so that the panel remains substantially vertical and wherein the movement of the cover between the first position of the cover and the second position of the cover is pivoting movement.
19. The apparatus of claim 18 wherein the second linkage comprises a member having a first portion coupled to the cover and a second portion coupled to the motion control device and a biasing member having a first end coupled to the member and a second end coupled to the base.
20. The apparatus of claim 1 wherein the motion dampening device is configured to dampen the movement of the cover between the first position of the cover and the second position of the cover.
21. The apparatus of claim 3 further comprising a backrest pad coupled to the backrest, wherein the backrest pad is removable from the backrest by selective engagement of one or more projections and one or more apertures.
22. The apparatus of claim 21 wherein the projections extend from the backrest and the apertures are located on a bracket coupled to the backrest pad.
23. A lavatory system comprising:
a base;
a panel coupled to the base and configured for translating movement between a first position and a second position;
a cover configured for pivoting movement relative to the base between a deployed position and a stowed position;
a linkage coupled to the cover and the panel, the linkage comprising at least one member configured to transfer the pivoting movement of the cover to translating movement of the panel; and
a motion control device including a damper coupled to the cover;
wherein movement of the cover from the deployed position towards the stowed position actuates the at least one member to move the panel from an extended position towards a retracted position; and
wherein the damper is configured to control the velocity of the cover during movement.
24. The lavatory system of claim 23 wherein the damper also provides a biasing force that biases the cover in the first position or the second position.
25. The lavatory system of claim 24 wherein the biasing force is configured to assist the movement of the cover and to counteract the torque force generated by the weight of the cover.
26. The lavatory system of claim 23 further comprising a biasing member coupled to the cover and configured to apply a biasing force on the cover.
27. The lavatory system of claim 26 wherein the biasing force is applied to the cover when the cover is near at least one of the first position or the second position.
28. The lavatory system of claim 26 wherein the biasing force is configured to assist in initiating movement of the cover from at least one of the first position or the second position.
29. The lavatory system of claim 23 wherein the damper is configured to provide a constant impedance to movement of the cover.
30. The lavatory system of claim 23 further comprising a barrier mounted adjacent to a gap between the cover and the panel.
31. The lavatory system of claim 30 wherein the barrier is hingedly coupled to the cover or the panel along a first edge.
32. The lavatory system of claim 31 wherein the barrier is configured to pivot about a hinge as the cover moves between the first position and the second position.
33. The lavatory system of claim 32 wherein a second side of the barrier is configured to slide along the surface of the cover as the cover moves between the first position and the second position.
34. The lavatory system of claim 23 wherein the base comprises a bracket and a top mounted to the bracket, wherein the top includes one or more projections configured to engage the bracket to the position the top relative to the bracket prior to assembly.
35. A lavatory system comprising:
a base;
a commode:
a cover coupled to the base and configured for movement between a stowed position which allows access to the commode and a deployed position which obstructs access to the commode;
a backrest coupled to the cover at an interface that forms a gap between the cover and the backrest; and
a barrier configured to extend at least partially across the gap to inhibit access to the commode through the gap.
36. The lavatory system of claim 35 wherein the barrier is hingedly coupled to the cover or the backrest along a first edge.
37. The lavatory system of claim 35 wherein the barrier is configured to pivot about a hinge as the cover moves between the stowed position and the deployed position.
38. The lavatory system of claim 35 wherein a portion of the barrier is configured to slide along the surface of the cover as the cover moves between the stowed position and the deployed position.