Tool box locking mechanisms for remote activation
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E05B-047/00
B65D-055/14
출원번호
US-0019398
(2011-02-02)
등록번호
US-8720239
(2014-05-13)
발명자
/ 주소
Crass, Matthew M.
LaRue, Jon M.
Gordon, Mark T.
Landree, John J.
Folkestad, II, Robert Keith
출원인 / 주소
Snap-on Incorporated
대리인 / 주소
Seyfarth Shaw LLP
인용정보
피인용 횟수 :
3인용 특허 :
29
초록▼
An improved method of rotating the lockrod of a tool storage unit to the “locked” or “unlocked” position by use of a linear actuator to rotate the lockrod actuator, where the linear actuator operates electrically, allowing for control by any remotely or automatically operated system. The tool storag
An improved method of rotating the lockrod of a tool storage unit to the “locked” or “unlocked” position by use of a linear actuator to rotate the lockrod actuator, where the linear actuator operates electrically, allowing for control by any remotely or automatically operated system. The tool storage unit locking mechanisms include a center-neutral key position that rotates 90 degrees in either direction from center to lock and unlock the unit. This design allows a standard key to operate the locking mechanism, but also allows a secondary mechanism (such as an electromagnetically driven mechanism) to directly operate the lock. Due to its specifics, the design would also allow for retrofitability.
대표청구항▼
1. A lock mechanism comprising: a lock cylinder;a lockrod actuator coupled to the lock cylinder and adapted to rotate between first and second angular displacements, the lockrod actuator having a first hinge point and an opening, each of which is spaced from a center of the lockrod actuator;a linkag
1. A lock mechanism comprising: a lock cylinder;a lockrod actuator coupled to the lock cylinder and adapted to rotate between first and second angular displacements, the lockrod actuator having a first hinge point and an opening, each of which is spaced from a center of the lockrod actuator;a linkage arm coupled to the lockrod actuator at the first hinge point and having a second hinge point spaced from the first hinge point;a linear actuator adapted to cause axial movement of the linkage arm to cause the lockrod actuator to rotate;a lockrod extending through the opening and adapted to move between first and second orientations; anda pin disposed adjacent to the lockrod actuator and adapted to bias the linkage arm in an upwardly direction against gravitational forces in response to axial movement of the linkage arm in a direction toward the lockrod actuator. 2. The lock mechanism of claim 1, further comprising: a drive plate coupled to an output portion of the lock cylinder disposed between the lock cylinder and the lockrod actuator, the drive plate including a projection and adapted to rotate the output portion;the lockrod actuator including a keyway adapted to receive the projection;the projection and keyway adapted to cooperatively angularly displace the lockrod actuator from an unlocked orientation to a locked orientation in response to a first rotation of the drive plate from a neutral position in a locking direction, and to allow the lockrod actuator to remain in the locked orientation in response to subsequent rotations of the drive plate in the locking direction. 3. The lock mechanism of claim 2, wherein the projection and keyway are adapted to cooperatively angularly displace the lockrod actuator from the locked orientation to the unlocked orientation in response to a second rotation of the drive plate from the neutral position in an unlocking direction, and to allow the lockrod actuator to remain in the unlocked orientation in response to subsequent rotations of the drive plate in the unlocking direction. 4. The lock mechanism of claim 1, further comprising: power supply circuitry in communication with the linear actuator, the power supply circuitry including polarity reversing circuitry adapted to provide a voltage having a first polarity for driving the linear actuator in a first direction and a second polarity for driving the linear actuator in a second direction. 5. The lock mechanism of claim 4, wherein the power supply circuitry is adapted to wirelessly transmit power to the linear actuator. 6. The lock mechanism of claim 4, further comprising: control circuitry in communication with the power supply circuitry, the control circuitry adapted to receive a command signal and to cause the power supply circuitry to switch between the first and second polarities. 7. The lock mechanism of claim 6, further comprising: actuation command circuitry in wireless communication with the control circuitry, the actuation command circuitry adapted to transmit the command signal in response to an actuation event. 8. The lock mechanism of claim 7, wherein the actuation command circuitry is selected from the group consisting of proximity sensing circuitry, passive keyless entry circuitry, wireless network circuitry and biometric control circuitry. 9. The lock mechanism of claim 8, further comprising: radio signal strength indication (RSSI) circuitry adapted to detect a distance between a location of the lock mechanism and a user location. 10. The lock mechanism of claim 9, wherein the actuation command circuitry is adapted to transmit an unlock command to the control circuitry in response to detecting the distance within a first range, and to transmit a lock command to the control circuitry in response to detecting the distance within a second range. 11. The lock mechanism of claim 1, wherein the lock cylinder is adapted to retrofit in place of a standard lock cylinder. 12. A lock mechanism including: a lock cylinder;a lockrod actuator having a keyway, the lockrod actuator coupled to the lock cylinder and adapted to rotate between first and second angular displacements, the lockrod actuator having a first hinge point and an opening each spaced from a center of the lockrod actuator;a linkage arm coupled to the lockrod actuator at the first hinge point and having a second hinge point spaced from the first hinge point;a linear actuator coupled to the second hinge point and adapted to cause axial movement of the linkage arm thereby to cause the lockrod actuator to rotate upon application of the axial movement;a lockrod extending through the opening and adapted to move between first and second orientations corresponding to rotation of the lockrod actuator;a pin disposed adjacent the lockrod actuator and adapted to bias the linkage arm in an upwardly direction against gravitational forces in response to axial movement of the linkage arm in a direction toward the lockrod actuator;a drive plate coupled to an output portion of the lock cylinder disposed between the lock cylinder and the lockrod actuator, the drive plate including a projection adapted to engage the keyway and rotate the output portion;radio signal strength indication (RSSI) circuitry adapted to detect a distance between a location of the lock mechanism and a user location;power supply circuitry in communication with the linear actuator, the power supply circuitry including polarity reversing circuitry adapted to provide a voltage having a first polarity for driving the linear actuator in a first direction and a second polarity for driving the linear actuator in a second direction;control circuitry in communication with the power supply circuitry, the control circuitry adapted to receive a command signal and to cause the power supply circuitry to switch between the first and the second polarities in response to receiving the command signal; andactuation command circuitry in wireless communication with the control circuitry, the actuation command circuitry adapted to transmit the command signal in response to an actuation event,wherein the actuation command circuitry is selected from the group consisting of proximity sensing circuitry, passive keyless entry circuitry, wireless network circuitry and biometric control circuitry and is adapted to transmit an unlock command to the control circuitry in response to detecting the distance within a first range, and to transmit a lock command to the control circuitry in response to detecting the distance within a second range, andwherein the projection and keyway are adapted to cooperatively angularly displace the lockrod actuator from an unlocked orientation to a locked orientation in response to a first rotation of the drive plate from a neutral position in a locking direction, and to allow the lockrod actuator to remain in the locked orientation in response to subsequent rotations of the drive plate in the locking direction.
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