Back to results
US 8,628,126 B2Granted
High security lock for door
AssigneeAmesbury Group, Inc.
InventorsBruce Hagemeyer, Dan Raap, Gary E. Tagtow, Tracy Lammers, Allen Rickenbaugh
Life of this patent
Estimating the term…
Abstract
A high security locking system can be used in a conventional pivot door adapted for use with a latch and deadbolt lock combination. The high security system can be a multi-point lock, received in a recess formed in a locking edge side of a door stile, cooperating with a linkage or other mechanism in a conventional deadbolt/location. The lock can be actuated with a keyed cylinder and thumb turn combination.
Claims21
A door lock comprising:
- a drive bar adapted for movement from a first position to a second position;
- a locking member connected to the drive bar, the locking member adapted for movement from a retracted position to an extended position upon movement of the drive bar from the first position to the second position, wherein the locking element is adapted to engage a keeper when the locking element is in the extended position;
- a bar slide adapted for movement by a lever arm from a first bar slide position to a second bar slide position, wherein the bar slide comprises:
- a first end defining an opening for receiving a pin to pivotably connect the bar slide to the lever arm;
- and wherein the bar slide further comprises:
- a second end, and wherein, as the bar slide moves from the first position to the second position, the first end moves in a substantially arcing direction and the second end moves in a substantially linear direction;
- and
- a transmission for coupling movement of the bar slide with movement of the drive bar.
5 more elements
Dependencies are inferred from the claim text.