IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0183573
(2011-07-15)
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등록번호 |
US-8453481
(2013-06-04)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Calfee, Halter & Griswold LLP
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인용정보 |
피인용 횟수 :
10 인용 특허 :
113 |
초록
▼
An electromechanical lock includes a lock body and a locking mechanism disposed in the lock body. The locking mechanism includes a blocker, first and second cams, and a motor. The blocker is movable between a locked position and an unlocked position. The first cam is rotatable about a first axis bet
An electromechanical lock includes a lock body and a locking mechanism disposed in the lock body. The locking mechanism includes a blocker, first and second cams, and a motor. The blocker is movable between a locked position and an unlocked position. The first cam is rotatable about a first axis between a blocker obstructing position and a blocker clearance position. The second cam is rotatable about a second axis, spaced apart from the first axis, to move the first cam between the blocker obstructing position and the blocker clearance position. The motor is coupled to the second cam to rotate the second cam in response to an electrical authorization signal supplied to the motor.
대표청구항
▼
1. A padlock comprising: a lock body,a shackle having long and short legs receivable in corresponding first and second shackle openings in the lock body, the shackle being moveable in an axial direction between a retracted position and an extended position, the short leg being withdrawn from the loc
1. A padlock comprising: a lock body,a shackle having long and short legs receivable in corresponding first and second shackle openings in the lock body, the shackle being moveable in an axial direction between a retracted position and an extended position, the short leg being withdrawn from the lock body in the extended position; anda locking mechanism disposed in the lock body, the locking mechanism comprising: a locking member;a blacker movable in an axial direction with respect to the lock body and having a blocking surface configured to hold the locking member in locking engagement with the shackle when the blocker is in a shackle engaging position, and further configured to allow the locking member to disengage from the shackle when the blocker is in a shackle disengaging position, to permit movement of the shackle from the retracted position to the extended position;a latch member movable between a blocker obstructing position obstructing movement of the blocker from the shackle engaging position to the shackle disengaging position and a blocker clearance position permitting movement of the blocker from the shackle engaging position to the shackle disengaging position in response to an axial force applied to the shackle; anda driver operable in response to proper user manipulation of the lock to move the latch member from the blacker obstructing position to the blacker clearance position to permit movement of the blocker to the shackle disengaging position, the driver being inoperable prior to proper user manipulation of the lock. 2. The padlock of claim 1, wherein the latch member comprises a rotatable cam having a cutout that aligns with an end portion of the blocker when the latch member is in the blocker clearance position. 3. The padlock of claim 2, wherein operation of the driver rotates the cam about a first axis that is spaced apart from a central axis of the blocker. 4. The padlock of claim 3, wherein the driver rotates about a second axis that is spaced apart from the first axis. 5. The padlock of claim 2, wherein the driver rotates at least 270° to rotate the cam from the blocker obstructing position to the blocker clearance position. 6. The padlock of claim 1, wherein the driver comprises a rotatable cam. 7. The padlock of claim 6, wherein a portion of the rotatable cam abuts a portion of the latch member to terminate operation of the latch member for movement to the blacker obstructing position and for movement to the blocker clearance position. 8. The padlock of claim 1, wherein the driver comprises a motor. 9. The padlock of claim 8, further comprising an electronic lock interface disposed on the lock body and in electrical communication with the motor. 10. The padlock of claim 9, wherein the electronic lock interface comprises at least one of an electronic keypad, a wireless transceiver, and a biometric sensor. 11. An electromechanical lock comprising: a lock body; anda locking mechanism disposed in the lock body, the locking mechanism comprising: a blocker movable between a locked position and an unlocked position;a first cam rotatable about a first axis between a blocker obstructing position obstructing movement of the blacker from the locked position to the unlocked position and a blocker clearance position permitting subsequent movement of the blocker from the locked position to the unlocked position in response to an axial force applied to the blocker when the first cam is in the blocker clearance position;a second cam rotatable about a second axis, spaced apart from the first axis, to move the first cam between the blocker obstructing position and the blocker clearance position; anda motor coupled to the second cam to rotate the second cam in response to an electrical authorization signal supplied to the motor. 12. The lock of claim 11, wherein the first cam includes a cutout that aligns with an end portion of the blocker when the first cam is in the blocker clearance position. 13. The lock of claim 11, wherein the second cam rotates at least 270° to rotate the first cam from the blocker obstructing position to the blocker clearance position. 14. The lock of claim 11, further comprising an electronic lock interface disposed on the lock body and in electrical communication with the motor to supply the authorization signal to the motor in response to proper manipulation of the electronic lock interface. 15. The lock of claim 14, wherein the electronic lock interface comprises an electronic keypad. 16. The lock of claim 11, wherein the motor is configured to rotate the first cam from the blocker clearance position to the blocker obstructing position after a predetermined time period from receipt of the authorization signal. 17. The lock of claim 11, wherein a portion of the second cam abuts a portion of the first cam to terminate operation of the first cam for movement to the blocker obstructing position and for movement to the blocker clearance position. 18. An electromechanical padlock comprising: a lock body;a shackle having long and short legs receivable in corresponding first and second shackle openings in the lock body, the shackle being moveable in an axial direction between a retracted position and an extended position, the short leg being withdrawn from the lock body in the extended position;a locking mechanism disposed in the lock body, the locking mechanism comprising: a locking member;a blocker movable in an axial direction with respect to the lock body and having a blocking surface configured to hold the locking member in locking engagement with the shackle when the blocker is in a shackle engaging position, and further configured to allow the locking member to disengage from the shackle when the blocker is in a shackle disengaging position, to permit movement of the shackle from the retracted position to the extended position; andan electromechanical driver operable in response to an electrical authorization signal supplied to the electromechanical driver to permit movement of the blocker to the shackle disengaging position in response to an axial force applied to the shackle; anda battery electrically connected with the electromechanical driver to power the electromechanical driver; anda battery door assembled with the lock body to limit access to the battery;wherein the blocker further comprises a battery door latch configured to secure the battery door in a closed position when the blocker is in the shackle engaging position, and to permit movement of the battery door to an open position when the blocker is in the shackle disengaging position. 19. The padlock of claim 18, further comprising first and second battery contacts for electrically connecting the battery with the electromechanical driver, the first and second battery contacts each including an extension, wherein at least a portion of the first and second battery contact extensions are disposed outside of the lock body for electrical connection of a spare battery to the electromechanical driver. 20. The padlock of claim 18, wherein the battery door latch comprises a projection that extends from the blocker to interlock with a notch in the battery door when the blocker is in the shackle engaging position.
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