A latch assembly having at least one control element having one path of motion in which a ratchet is moved to an unlatched position and another path of motion in which the ratchet is not so moved, the path of motion taken by the control element dependent upon whether an engagement element is engaged
A latch assembly having at least one control element having one path of motion in which a ratchet is moved to an unlatched position and another path of motion in which the ratchet is not so moved, the path of motion taken by the control element dependent upon whether an engagement element is engaged with the control element or disengaged therefrom. Preferably, the control element moves the ratchet by contact with a pawl which itself can be engaged with the ratchet. In a preferred embodiment of the present invention, two or more unlatching inputs are capable of unlatching the latch assembly. However, two or more of these inputs are in series rather than in parallel so that the number of paths ending at the element or device holding the latch in its latched state is preferably fewer than the number of unlatching inputs to the latch assembly. A preferred embodiment of the present invention also employs a mechanical actuation assembly that can transmit actuation force from a control element to an engagement element in order to change the engaged state of the engagement element (and thereby to place the control element or another control element in a locked or unlocked state). The present invention also provides a fast-acting two stage actuator employing magnetic force to quickly and directly or indirectly hold an element to be controlled until an armature of the actuator can be engaged therewith.
대표청구항▼
A latch assembly having at least one control element having one path of motion in which a ratchet is moved to an unlatched position and another path of motion in which the ratchet is not so moved, the path of motion taken by the control element dependent upon whether an engagement element is engaged
A latch assembly having at least one control element having one path of motion in which a ratchet is moved to an unlatched position and another path of motion in which the ratchet is not so moved, the path of motion taken by the control element dependent upon whether an engagement element is engaged with the control element or disengaged therefrom. Preferably, the control element moves the ratchet by contact with a pawl which itself can be engaged with the ratchet. In a preferred embodiment of the present invention, two or more unlatching inputs are capable of unlatching the latch assembly. However, two or more of these inputs are in series rather than in parallel so that the number of paths ending at the element or device holding the latch in its latched state is preferably fewer than the number of unlatching inputs to the latch assembly. A preferred embodiment of the present invention also employs a mechanical actuation assembly that can transmit actuation force from a control element to an engagement element in order to change the engaged state of the engagement element (and thereby to place the control element or another control element in a locked or unlocked state). The present invention also provides a fast-acting two stage actuator employing magnetic force to quickly and directly or indirectly hold an element to be controlled until an armature of the actuator can be engaged therewith. l movement of the plug is restricted when the second collar comes into contact with the lock. 4. The locking system of claim 2, wherein the lock comprises: a body; a push button at one end of the body; and a detent at the other end of the body connected to the push button, wherein axial movement of the detent and push button is prevented by the locking apparatus. 5. The locking system of claim 1, wherein the housing further comprises: a first arm connected to the first body and extending away from the first interior diameter; a second arm connected to the first arm and extending towards the second body; and a third arm connected to the second body and extending away from the second interior diameter, wherein the second arm comes into close proximity to the third arm when in the locked state. 6. The locking system of claim 1, further comprising: a second head attached to the first head with the second head having an outside diameter larger than the interior diameter of the first body. 7. The locking system of claim 1, wherein the cord entrapment includes an opening that when the plug is in the housing, the opening is sized so as to permit a cord to move through the opening, but not to permit a connector at an end of the cord from moving through the opening. 8. A locking system comprising: a housing having an opening therein and the opening extending along a housing main axis; a plug in the housing opening, and the plug being moveable in the housing opening along the housing main axis between an outward position of the plug and an inward position of the plug; a collar on the plug which is moveable with the plug; a lock supported at the housing, the lock being moveable between a locked position, at which the lock is within the housing opening for engaging the collar of the plug as the plug is moved toward the outward position and for holding the plug at the inward position, and an unlocked position, at which the lock is far enough out of the housing opening to permit the collar to pass toward the outward position; the lock has first and second separated abutments for engaging the collar, wherein the first abutment is positioned such that with the lock in the locked position, and the plug in the inward position, the first abutment engages the collar and retains the plug at the inward position; and the second abutment is positioned such that with the lock in the unlocked position, the second abutment engages the collar and holds the plug in the outward position. 9. The locking system of claim 8, further comprising a spring connected with the plug to normally urge the plug to the outward position thereof, the collar having a side thereof that is engaged by the lock to block outward movement of the first collar and the plug. 10. The locking system of claim 9, further comprising the spring extending between the plug and the housing to normally urge the plug to the outward position. 11. The locking system of claim 9, further comprising a surface in the housing positioned to be engaged by the plug upon movement of the plug into the housing, and the surface in the housing defining the inward position of the plug at which the plug is between the housing surface and the side of the first collar engaged by the lock. 12. The locking system of claim 8, wherein the lock is supported in the housing to move between the locked and unlocked positions along a second axis that crosses the housing main axis. 13. The locking system of claim 12, wherein the second axis is oblique to the first axis. 14. The locking system of claim 13, wherein the lock comprises a lock body and the lock body having a lower portion toward the housing opening, and the first abutment being disposed on the lower portion of the lock body; and the lock body having an upper portion that is further from the housing opening than the lower portion and the second abutment being disposed on the upper portion of the lock body.
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