NZ602326A - Electromechanical lock with a drop bolt that is configurable in a fail safe mode or a fail secure mode - Google Patents
Electromechanical lock with a drop bolt that is configurable in a fail safe mode or a fail secure mode Download PDFInfo
- Publication number
- NZ602326A NZ602326A NZ60232612A NZ60232612A NZ602326A NZ 602326 A NZ602326 A NZ 602326A NZ 60232612 A NZ60232612 A NZ 60232612A NZ 60232612 A NZ60232612 A NZ 60232612A NZ 602326 A NZ602326 A NZ 602326A
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- NZ
- New Zealand
- Prior art keywords
- assembly according
- electromechanical
- bolt assembly
- bolt
- movable member
- Prior art date
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Abstract
Electromechanical Drop Bolt This invention relates to an electromechanical bolt assembly 1 which allows for adjustment of its mode of operation between a fail safe mode and a fail secure mode with a manual override feature. The assembly I includes a housing 3 with a bolt 4 movable relative to the housing 3. The assembly 1 also includes a powered drive 29, a powered actuator 26 and a key operated actuator 25, all operable for moving the bolt 4 relative to the housing 3.
Claims (25)
1. A electromechanical bolt assembly for securing a door panel in a closed position relative to a door frame, the bolt assembly including a housing, a 5 bolt movable relative to the housing between an extended position and a retracted position, a movable member that is movable within the housing between a first position and a second position, the movable member being associated with the bolt so that the bolt adopts a retracted position when the movable member is in the second position, a powered drive 10 that is operable to adjust the position of the movable member from the second position to the first position and operable to move the bolt from the retracted position to the extended position, a powered actuator for controlling movement of the movable member from the first position to the second position, the powered actuator being operable in a fail safe 15 mode or a fail secure mode whereby in the event of a power failure to the bolt assembly with the powered actuator in the fail safe mode the bolt adopts the retracted position and in the fail secure mode the bolt adopts the extended position, a key operated actuator being operable to adjust the position of the bolt from the extended position to the retracted 20 position.
2. An electromechanical bolt assembly according to claim 1 wherein the key operated actuator is operable to adjust the position of the movable member from the first position to the second position to adjust the 25 position of the bolt from the extended position to the retracted position.
3. An electromechanical bolt assembly according to any one of the preceding claims wherein the powered drive is associated with the movable member so as to move therewith in the housing between a first 30 position and a second position.
4. An electromechanical bolt assembly according to claim 3 wherein the movable member slides within the housing, and further including a biasing means for biasing the movable member so as to urge the 35 movable member to adopt the second position. drop bolt.doc
5. An electromechanical bolt assembly according to any one of the preceding claims wherein the mode of the powered actuator is adjustable from outside the housing.
6. An electromechanical bolt assembly according to any one of the preceding claims wherein the powered actuator includes a solenoid having a plunger that is movable relative to a body of the plunger against a bias on energisation of the actuator, a position of the solenoid within 10 the housing being adjustable for adjusting the mode of the powered actuator, the position of the solenoid being adjustable by adjustment of a captured screw.
7. An electromechanical bolt assembly according to claim 6 including a 15 detent that is adjustable between a release condition and a retain condition by operation of the powered actuator, the detent interacts with the movable member whereby in the event of power failure and the powered actuator is in the fail secure mode the movable member is retained in the first position, and when the powered actuator is in a fail 20 safe mode the movable member is released to adopt the second position.
8. An electromechanical bolt assembly according to claim 7 including a adjustable catch associated with the moveable member which is 25 adjustable from outside of the housing when adjusting the mode of the powered actuator.
9. An electromechanical bolt assembly according to any one of claims 6 to 8 wherein the key operated actuator is operable to adjust the condition of 30 the detent.
10. An electromechanical bolt assembly according to claim 9 wherein the key operated actuator includes a cylinder lock having a cam that is rotatable from a standby position by use of an authorised key. drop bolt.doc
11. An electromechanical bolt assembly according to claim 10 wherein the key operated actuator includes a follower that interacts with the cam and detent for adjusting the position of the detent. 5
12. An electromechanical bolt assembly according to claim 11 wherein the follower is biased away from interacting with the detent.
13. An electromechanical bolt assembly according to claim 12 wherein the follower includes a plunger and a compression spring urging the plunger 10 away from interacting with the detent.
14. An electromechanical bolt assembly according to claim 13 the plunger includes a wedge that interacts with the detent to move the detent in a direction substantially perpendicular to a direction of movement of the 15 plunger.
15. An electromechanical bolt assembly according to any one of claims 10 to 14 wherein the key operated actuator is operable to adjust a switch that is adjustable between an open condition and a closed condition, so that 20 when the switch adopts an open condition the bolt is moved from the extended position to the retracted position.
16. An electromechanical bolt assembly according to claim 15 wherein the switch is retained in the closed condition by the cam when the cam is in 25 the standby position.
17. An electromechanical bolt assembly according to claim15 or 16 wherein the switch is biased to adopt an open condition so that when the cam is rotated from the standby position it causes the switch to adjust from the 30 closed condition to the open condition.
18. An electromechanical lock assembly according to any one of claims 15 to 17 wherein the switch is operably connected to the powered actuator so that adjusting the switch from closed condition to the open condition 35 causes the powered actuator to respond as if there was the event of the power failure. drop bolt.doc
19. An electromechanical bolt assembly according to any one of the preceding claims wherein the bolt is pivotable about a shaft between the retracted position and the extended position.
20. An electromechanical bolt assembly according to any one of the preceding claims wherein the powered drive includes a drive shaft that is rotated to adjust the position of the movable member between the second position and the first position.
21. An electromechanical bolt assembly according to claim 20 wherein the drive shaft is rotatable to move the bolt from the retracted position to the extended position once the movable member is in the first position. 15
22. An electromechanical bolt assembly according to claim 21 including a driven member that is movable along the length of the drive shaft when the drive shaft is rotated.
23. An electromechanical bolt assembly according to claim 22 wherein the 20 bolt interacts with the driven member.
24. An electromechanical bolt assembly according to any one of claims 20 to 23 wherein the drive includes an electric motor that is operable to rotate the drive shaft.
25. An electromechanical bolt assembly according to any one of the preceding claim wherein the housing includes a base and a cover, the mode of the powered actuator being adjustable while the cover is attached to the base. drop bolt.doc
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2011903664 | 2011-09-08 | ||
| AU2011903664A AU2011903664A0 (en) | 2011-09-08 | Electromechanical drop bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NZ602326A true NZ602326A (en) | 2013-02-22 |
| NZ602326B NZ602326B (en) | 2013-05-23 |
Family
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Also Published As
| Publication number | Publication date |
|---|---|
| AU2012216727A1 (en) | 2013-03-28 |
| AU2012216727B2 (en) | 2017-10-12 |
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