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US 9,758,997 B2Granted
High security lock for door
AssigneeAmesbury Group, Inc.
InventorsBruce Hagemeyer, Dan Raap, Gary E. Tagtow, Tracy Lammers, Allen Rickenbaugh
Life of this patent
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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.
Claims19
A door lock comprising:
- an elongate housing;
- an insert housing defining a slot, wherein the insert housing is secured to the elongate housing;
- a bar slide adapted for movement from a first position to a second position, wherein the bar slide is adapted to be actuated by a movement of a lever arm, and wherein the bar slide is disposed at least partially in the slot;
- a locking member adapted for movement from a retracted position within the elongate housing to an extended position out from the elongate housing upon movement of the bar slide from the first position to the second position;
- and
- a transmission for coupling movement of the bar slide with movement of the locking member, wherein the transmission extends from the insert housing to the elongate housing.
3 more elements
A door lock comprising:
- an elongate housing comprising a channel and a base;
- an insert connected to the base, wherein the insert defines a pin slot;
- a bar slide at least partially disposed in the insert;
- a transmission at least partially disposed in the insert;
- a drive bar at least partially disposed in the channel of the elongate housing and connected to the transmission;
- a locking element movably engaged with the drive bar;
- and a pin connecting the bar slide and the transmission, wherein the pin is configured to slide in the pin slot.
4 more elements
Dependencies are inferred from the claim text.