SWIVEL LOCK SYSTEM WITH MANUAL OVERRIDE

• US 20140300117A1
• Filed: 04/07/2014
• Published: 10/09/2014
• Est. Priority Date: 04/09/2013
• Status: Active Grant

• Current Assignee: Hanchett Entry Systems Incorporated (Assa Abloy AB)
• Original Assignee: Hanchett Entry Systems Incorporated (Assa Abloy AB)
• Inventors: Scheffler, Dominik, David, Dewey, Webb, Michael A.
• Granted Patent: US 9,708,833 B2
• Time in Patent Office: Days
• US Class Current: 292/336.3
• CPC Class Codes: E05B 1/0092 Moving otherwise than only rectilinearly or only rotatively E05B5/003 takes precedence
• CPC Class Codes: E05B 2047/0023 Nuts or nut-like elements moving along a driven threaded axle
• CPC Class Codes: E05B 47/0012 with rotary electromotors actuators with rotary electromotors per se H02K7/06, H02K23/68
• CPC Class Codes: E05B 47/0657 by locking the handle, spindle, follower or the like
• CPC Class Codes: E05B 5/00 Handles completely let into the surface of the wing E05B85/10 takes precedence
• CPC Class Codes: Y10T 292/57 Operators with knobs or handles
• CPC Class Codes: Y10T 70/7102 And details of blocking system [e.g., linkage, latch, pawl, spring]

Abstract

A swivel lock assembly with electronic and manual actuating means to unlock a handle thereby permitting access to the interior of the cabinet wherein the manual actuator can override the electronic actuator and vice versa. When in a locked position, the handle rests within lock housing such that the handle engages a blocker mounted within the housing. To unlock the handle, the blocker is manipulated by electronic or manual actuation such that the handle is no longer constrained and can be swung away from the housing about a handle pivot.

Claims

1. A swivel lock assembly comprising an electronic actuator and a manual actuator for unlocking said swivel lock assembly and configured to provide for manual override of the electronic actuator and electronic override of the manual actuator, the assembly comprising:

a. a housing comprising a housing locking member;

b. a handle comprising a handle locking member and said manual actuator, the handle swivably coupled to the housing at a first end;

c. a blocker operatively coupled to said electronic actuator and said manual actuator, wherein the blocker has a first blocking position and a second unblocking position and is configured to disengage said handle locking member from said housing locking member to release said handle from said housing upon selective actuation of either one of only said electronic actuator or only said manual actuator.

2. The swivel lock assembly according to claim 1 wherein said manual actuator is a lock core, wherein said electronic actuator is operatively coupled to said blocker by a first cam and said lock core is operatively coupled to said blocker by a second cam, and wherein selective rotation of either said first cam or said second cam selectively causes the respective first cam or second cam to rotate from a first locked position to a second unlocked position and to act upon said blocker to disengage said handle locking member from said housing locking member.

3. The swivel lock assembly according to claim 2 wherein said electronic actuator is a DC motor.

4. The swivel lock assembly according to claim 2 further comprising a biasing member operatively coupled to said second cam to return said second cam to said first locked position following rotation of said second cam to said second unlocked position.

5. The swivel lock assembly according to claim 2 further comprising a coupler mounted to said lock core and operatively mated to said second cam in said first locked position wherein said coupler is adapted to translate rotation of said lock core to said second cam to rotate said second cam to said second unlocked position.

6. The swivel lock assembly according to claim 2 wherein said first cam includes a low lobe proximate said blocker in said first locked position and a high lobe located proximate said blocker in said second unlocked position wherein selective rotation of said first cam rotates said high lobe in a direction to engage said blocker wherein said handle locking member disengages from said housing locking member.

7. The swivel lock assembly according to claim 6 wherein said housing further comprises a first cam rotation sensor configured to monitor the position of said low lobe, said high lobe, or both.

8. The swivel lock assembly according to claim 7 wherein said first cam rotation sensor is a Hall Effect sensor and said low lobe and/or said high lobe include a magnet.

9. The swivel lock assembly according to claim 2 further comprising a blocker biasing member operatively coupled to said blocker to return said blocker to said first blocking position following selective rotation of either of said first cam or said second cam.

10. The swivel lock assembly according to claim 1 wherein a drive gear is operatively coupled to said electronic actuator and a drive nut is operatively coupled to said drive gear wherein rotation of said drive gear in a first direction by said electronic actuator causes said drive nut to move said blocker in a first direction, wherein movement of said blocker in said first direction disengages said handle locking member from said housing locking member to release said handle from said housing, wherein rotation of said drive gear in a second direction by said electronic actuator allows movement of said blocker in a second direction to permit engagement of said handle locking member with said housing locking member.

11. The swivel lock assembly according to claim 10 wherein said drive nut is selectively decoupled from said drive gear when said handle locking member is disengaged from said housing locking member.

12. The swivel lock assembly according to claim 10 wherein said drive nut is selectively decoupled from said drive gear when said handle locking member is engaged with said housing locking member.

13. The swivel lock assembly according to claim 11 wherein said drive nut is selectively decoupled from said drive gear when said handle locking member is engaged with said housing locking member.

14. The swivel lock assembly according to claim 10 wherein said manual actuator is a lock core, wherein said lock core is operatively coupled to said blocker by a lock cam, wherein selective rotation of either said drive gear or said lock cam selectively acts upon said blocker to disengage said handle locking member from said housing locking member.

17. The swivel lock assembly according to claim 1 further comprising an electronic control unit wherein actuation of said electronic actuator is controlled by said electronic control unit.

18. The swivel lock assembly according to claim 17 wherein said electronic control unit is disposed in said housing.

19. The swivel lock assembly according to claim 1 wherein said housing includes a housing plane defined by a surface of said housing that is engaged by said handle when said handle locking member is engaged with said housing locking member, said first end of said handle comprising:

a. a pocket including a pair of side walls defining a channel;

b. a yoke having a handle end and a latch end, said handle end including a bulb having a neck portion wherein the bulb is adapted to be mounted within said pocket such that said neck portion is mated with said channel.

20. The swivel lock assembly according to claim 19 wherein a central plane defined by said pocket creates an acute angle with said housing plane, wherein the acute angle prevents detachment of said handle from said yoke when said handle locking member is disengaged from said housing locking member while said yoke is connected to said housing.

15. The swivel lock assembly according to 14 wherein said blocker includes a lock cam contact surface engageable by said lock cam for moving said blocker to disengage said handle locking member from said housing locking member.

16. The swivel lock assembly according to 15 wherein said lock core is a small format interchangeable core.

21. An enclosure including a swivel lock assembly for selectively securing an enclosed space defined by said enclosure, said enclosure having an enclosure locking member for engagement with a latch of said swivel lock assembly, and having enclosing panels, including back and side panels, and a movable door panel to define said enclosed space, said swivel lock assembly being mounted on said door panel and comprising:

an electronic actuator and a manual actuator and configured to provide for manual override of the electronic actuator and electronic override of the manual actuator, the assembly comprising;

a. a housing comprising a housing locking member;

b. a handle comprising a handle locking member and said manual actuator, the handle swivably coupled to the housing at a first end, said first end including said latch configured for engaging said enclosure locking member to secure said enclosed space;

c. a blocker operatively coupled to said electronic actuator and said manual actuator, wherein the blocker has a first blocking position and a second unblocking position and configured to disengage said handle locking member from said housing locking member to release said handle from said housing and to permit disengagement of the enclosure locking member by said latch upon selective actuation of either one of only said electronic actuator or only said manual actuator;

wherein said handle further includes a first sensor configured for sending a first sensor signal when said handle locking member is engaged with said handle locking member and wherein said enclosure includes a second sensor configured for sending a second sensor signal when said door is closed upon said enclosing panels.

22. The enclosure according to claim 21 wherein a confirmation signal is sent indicating said enclosure is secured when one of said first or second sensor signals is sent and the other of said first or second sensor signals is sent.

23. The enclosure according to claim 21 wherein an alarm signal is sent indicating said enclosure is not secured when one of said first or second sensor signals is sent and the other of said first or second sensor signals is not sent.

24. The enclosure according to claim 23 wherein said alarm signal sounds an audible alarm.

25. A method of operating a lock having an electric motor actuator, wherein said electric motor actuator is configured to selectively change a state of said lock to a locked state or an unlocked state, wherein said lock includes a drive nut for changing said lock state, wherein said drive nut includes first threads and wherein said electric motor includes a drive gear having second threads matable with said first threads, said method comprising the steps of:

a. disposing said drive nut proximate said drive gear so that said first threads engagingly mesh with said second threads;

b. operating said motor in a first rotational direction so that said drive gear moves said drive nut to affect said locked state; and

c. affecting disengagement of said first threads with said second threads by operating said motor in said first rotational direction.

26. The method according to claim 25 comprising the further steps of:

a. operating said motor in a second rotational direction opposite said first rotational direction so that said drive gear moves said drive nut to affect said unlocked state; and

b. affecting disengagement of said first threads with said second threads by operating said motor in said second rotational direction.

27. The method according to claim 25 wherein said drive gear is a worm gear and wherein said second threads are defined by said worm gear.

28. A method for changing a state of a swivel lock assembly from a locked state to an unlocked state wherein said swivel lock assembly comprises an electronic actuator and a manual actuator, the assembly comprising a housing including a housing locking member;

a handle comprising a handle locking member and said manual actuator, the handle swivably coupled to the housing at a first end; and

a blocker operatively coupled to said electronic actuator and said manual actuator, wherein the blocker has a first blocking position and a second unblocking position and is configured to disengage said handle locking member from said housing locking member to release a second end of said handle from said housing, the method comprising the steps of;

a. providing said swivel lock assembly in said locked state;

b. activating either one of only said electronic actuator or only said manual actuator; and

c. causing said swivel lock assembly to change to said unlocked state.

29. The method according to claim 28 comprising the steps of:

a. activating only said electronic actuator to cause said swivel lock assembly to change to said unlocked state.

30. The method according to claim 28 comprising the steps of:

a. activating only said manual actuator to cause said swivel lock assembly to change to said unlocked state.