IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0285323
(2011-10-31)
|
등록번호 |
US-8646819
(2014-02-11)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
10 |
초록
▼
A latch includes a base, a drive shaft and cam, and a handle attached pivotally to the drive shaft. The handle is moveable between a closed position, a pop-up position, and an open position. A slide plate is attached slidably to the base and engaged with the cam. A swivel arm is attached pivotally t
A latch includes a base, a drive shaft and cam, and a handle attached pivotally to the drive shaft. The handle is moveable between a closed position, a pop-up position, and an open position. A slide plate is attached slidably to the base and engaged with the cam. A swivel arm is attached pivotally to the base and the slide plate. A bolt assembly is attached to the swivel arm, and a plunger is mounted within the base. In its closed position, the handle engages the plunger to engage a switch and the bolt assembly engages a structure. In the handle's pop-up position, the plunger moves to a retracted position and disengages the switch. When the handle is moved to the open position, the drive shaft and cam are rotated so that the slide plate slides and the swivel arm pivots to swing the bolt assembly away from the structure.
대표청구항
▼
1. A latch, comprising: a base having a first end, a second end opposite the first end, a longitudinal axis extending from the first end to the second end, and a frame having a swivel arm hub located proximate to the first end and a rotary assembly hub located proximate to the second end;a rotary as
1. A latch, comprising: a base having a first end, a second end opposite the first end, a longitudinal axis extending from the first end to the second end, and a frame having a swivel arm hub located proximate to the first end and a rotary assembly hub located proximate to the second end;a rotary assembly supported by the rotary assembly hub, the rotary assembly including a drive shaft mounted rotatably within the rotary assembly hub and a cam attached to the drive shaft;a handle mechanism including a handle having a first end and a second end opposite the first end of the handle, and a trigger, wherein the second end of the handle is attached pivotally to the drive shaft of the rotary assembly such that the handle is moveable between a closed position, in which the trigger is releasably engaged with the second end of the handle, and a pop-up position, in which the trigger is disengaged from the second end of the handle and the second end of the handle is pivotally positioned in a direction away from the frame, and wherein the handle is moveable between the pop-up position and an open position, in which the handle is rotated relative to the longitudinal axis of the base;a slide plate having a first end, a second end opposite the first end of the slide plate, and a hole formed intermediate with the first and second ends of the slide plate, the second end of the slide plate being attached slidably to the second end of the base, and wherein the cam is engaged with the slide plate proximate to the second end of the slide plate;a swivel arm having a first portion attached pivotally to the swivel arm hub of the of the frame the base and a second portion attached pivotally to the first end of slide plate;a bolt assembly attached to the swivel arm; anda plunger assembly mounted within the base intermediate the first and second ends of the base, the plunger assembly including a plunger that is moveable between an extended position, in which the plunger is adapted to engage an electrical switch, and a retracted position, in which the plunger is disengaged from the electrical switch, the plunger assembly further including a spring for facilitating movement of the plunger from its extended position to is retracted position,wherein the hole of the slide plate is sized and shaped to receive the plunger of the plunger mechanism, wherein when the plunger is in its retracted position, the plunger is positioned through the hole of the slide plate, and when the plunger in its extended position, the plunger is positioned external of the hole,wherein when the handle is in its closed position, the handle engages the plunger to maintain it in its dosed position and the bolt assembly is adapted to engage an external structure, and when the handle is in its pop-up position, the handle is disengaged from the plunger and the plunger moves to its retracted position,wherein when the handle is moved from its pop-up position to its open position, the drive shaft and the cam are rotated such that the cam draws the slide plate in a direction towards the second end of the base, and, in turn, the swivel arm pivots to swing the bolt assembly to disengage the bolt assembly from the external structure, andwherein the electrical switch is adapted to provide a first signal indicating that the latch is in a locked position when the handle is in its closed position, and a second signal indicating that the latch is in an unlocked position when the handle is in its pop-up position or its open position. 2. The latch of claim 1, wherein the electrical switch includes an actuator button that is adapted to be engaged by the plunger when the plunger is in its extended position, wherein when the plunger engages the actuator button, the electrical switch provides the first signal, and when the plunger is disengaged from the actuator button, the electrical witch provides the second signal. 3. The latch of claim 2, further comprising a mounting data attached to the base, the electrical switch being mounted removably to the mounting plate. 4. A latch, comprising: a base having a first end, a second end opposite the first end, a longitudinal axis extending from the first end to the second end, and a frame having a swivel arm hub located proximate to the first end and a rotary assembly hub located proximate to the second end,a rotary assembly supported by the rotary assembly hub, the rotary assembly including a drive shaft mounted rotatably within the rotary assembly hub and a cam attached to the drive shaft;a handle mechanism including a handle having a first end and a second end opposite the first end of the handle, and a trigger, wherein the second end of the handle is attached pivotally to the drive shaft of the rotary assembly such that the handle is moveable between a closed position, in which the trigger is release to engaged with the second end of the handle and a pop-up position, in which the trigger is disengaged from the second end of the handle and the second end of the handle is pivotally positioned in a direction away from the frame, and wherein the handle is moveable between the pop-up position and an open position, in which the handle is rotated relative to the longitudinal of the base;a slide plate having a first end and a second end opposite the first end of the slide plate, the second end of the slide plate being attached slidably to the second end of the base, and wherein the carte is engaged with the slide plate proximate to the second end of the slide plate;a swivel arm having a first portion attached pivotally to the swivel arm hub of the base and a second portion attached pivotally to the first end of the slide plate;a bolt assembly attached to the swivel the bolt assembly including a bolt, a ball attached to a first end of the bolt, and a swivel cap attached movably to the ball; anda plunger assembly mounted within the base intermediate first and second ends of the base, the plunger assembly including a plunger that is moveable between an extended position, in which the plunger is adapted to engage an electrical switch, and a retracted position, in which the plunger is disengaged from the electrical switch,wherein when the handle is in its closed position the handle engages the plunger to maintain it in its closed position and the bolt assembly is adapted to engage an external structure, and when the handle is in its pop-up position, the handle is disengaged from the plunger and the plunger moves to its retracted position,wherein when the handle is moved from its pop-up position to its open position, the drive shaft and the cam are rotated such that the cam draws the slide plate in a direction towards the second end of the base, and, in turn, the swivel arm pivots to swing the bolt assembly to disengage the bolt assembly from the external structure, andwherein the swivel cap of the bolt assembly is adapted to engage the extern structure when the handle is in either its closed position or its pop-up position. 5. The latch of claim 1, wherein the base includes at least one pin mounted proximate to the second end of the base, and the slide plate includes at least one elongated slot that is sized and shaped to receive the pin, and wherein the slide plate is adapted to be guided by the pin. 6. The latch of claim 1, wherein the frame includes an outwardly projecting wall having an edge that is positioned flush with the external structure when the latch is installed therein. 7. The latch of claim 6, wherein the wall forms a well that is sized and shaped to receive the handle when the handle is in its closed position, and wherein when the handle is in its closed position, an exterior surface of the handle is positioned flush with the edge of the wall. 8. The latch of claim 1, wherein the handle mechanism further includes a torsion spring engaged with the handle for biasing the handle toward its pop-up position. 9. The latch of claim 8, wherein the trigger is attached rotatably to the base and includes a first lip, and the handle includes a second lip having a ramp and a groove, and herein when the handle is moved from its pop-up position to its closed position, the ramp of the handle bears against the first lip of the trigger so as to rotate the trigger until the second lip of the handle engages the first of the trigger, thereby retaining the handle in its closed position. 10. The latch claim 9, wherein the trigger includes a spring for biasing trigger to bear on the groove of the handle to maintain the handle in its closed position. 11. The latch of claim 4, herein the bolt assembly includes a locknut threaded on a second end of the bolt opposite the first end of the bolt, and wherein the locknut is adapted to adjust and lock the position of the bolt relative to the external structure. 12. A latch, comprising: a having a first end, a second end opposite tape first end, a longitudinal axis extending from the first end to the second end, and a frame having a swivel arm hub located proximate to the first end and a rotary assembly hub located proximate to the second end;a rotary assembly supported by the rotary assembly hub, the rotary assembly including a drive shaft mounted rotatably within the rotary assembly hub and a cam attached to the drive shaft;a handle mechanism including a handle having a first end and a second end opposite the first end of the handle, and a trigger, wherein the second end of the handle is attached pivotally to the drive shaft of the rotary assembly such that the handle is moveable between a closed position, in which the trigger is releasably engaged with the second end of the handle, and a pop-up position, in which the trigger is disengaged from the second end of the handle and the second end of the handle is pivotally positioned in a direction away from the frame, and wherein the handle is moveable between the pop-up position and an open position, in which the handle is rotated relative to the longitudinal axis of the base;a slide plate having a first end, a second end opposite the first end of the slide plate, and a channel formed longitudinally between the first and second ends of the slide plate, the channel adapted to receive a mounting block, the second end of the slide plate being attached slidably to the second end of the base, and wherein the cam is engaged with the slide plate proximate to the second end of the slide plate;a swivel of arm having a first portion attached pivotally to the swivel arm hub of the base and a second portion attached pivotally to the first end of the slide plate;a bolt assembly attached to the swivel arm: anda plunger assembly mounted within the base intermediate the first and second ends the base, the plunger assembly including a plunger that is moveable between an extended position, in which the plunger is adapted to engage an electrical switch, and a retracted position, in which the plunger is disengaged from the electrical switch,wherein when the handle is in its closed position, the handle engages the plunger to maintain it in its closed position and the bolt assembly is adapted to engage an external structure, and when the handle is in its pop-up position, the handle is disengaged from the plunger and the plunger moves to its retracted position,wherein when the handle is moved from its pop-up position to is open position, the drive shaft and the cam are rotated such that the cam draws the slide plate in a direction towards the second end of the base, and, in turn, the swivel arm to swing the bolt assembly to disengage the holt assembly from the external structure.
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