Tubular automatic deadbolt latch
First Claim
1. An automatic tubular lock deadbolt assembly for a door and cooperable with a strike plate on a door jamb, including an elongated tubular housing having a front face, a deadbolt in said housing movable between a retracted position and an extended lock position, and means for shifting said deadbolt from said extended position to said retracted position, the improvement comprising:
- biasing means within said housing for biasing said deadbold toward said extended position, locking pin retention means in said housing for retaining said deadbolt in said retracted position and biased to move transverely toward a deadbolt securing condition, camming element release means in said housing cooperable with said locking pin retention means for shifting the locking pin transversely to release said deadbolt to allow extension thereof to said extended position, and trigger means cooperable with said release means, protruding from said deadbolt past said front face to engage the strike plate on the door jamb for actuating said release means and thereby cause said biasing means to automatically shift said deadbolt to said extended position with closure of the door.
5 Assignments
0 Petitions
Accused Products
Abstract
An automatic tubular deadbolt lock assembly having the automatic actuator mechanism enclosed within the tubular housing of the lock. The assembly is dimensioned like a standard tubular deadbolt, to fit within standard borings of present doors. A special quadrant trigger is mounted in and protrudes from the nose of the deadbolt, being pivotal into the deadbolt itself to an inactive recessed position upon opening of the door. With closure of the door, the trigger is cammed and depresses a camming plunger to release a transverse locking pin from engagement with the tubular lock housing, to thereby allow biased extension of the deadbolt from its retracted condition. The trigger can be rotationally reversed to accommodate left hand or right hand door arrangements.
-
Citations
15 Claims
-
1. An automatic tubular lock deadbolt assembly for a door and cooperable with a strike plate on a door jamb, including an elongated tubular housing having a front face, a deadbolt in said housing movable between a retracted position and an extended lock position, and means for shifting said deadbolt from said extended position to said retracted position, the improvement comprising:
biasing means within said housing for biasing said deadbold toward said extended position, locking pin retention means in said housing for retaining said deadbolt in said retracted position and biased to move transverely toward a deadbolt securing condition, camming element release means in said housing cooperable with said locking pin retention means for shifting the locking pin transversely to release said deadbolt to allow extension thereof to said extended position, and trigger means cooperable with said release means, protruding from said deadbolt past said front face to engage the strike plate on the door jamb for actuating said release means and thereby cause said biasing means to automatically shift said deadbolt to said extended position with closure of the door. - View Dependent Claims (2, 3, 4, 5, 6)
-
7. An automatic tubular lock deadbolt assembly for a door and cooperable with a strike plate on a door jamb, including an elongated tubular housing having a front face, a deadbolt in said housing movable between a retracted position and an extended lock position, and means for shifting said deadbolt from said extended position to said retracted position, the improvement comprising:
a trigger housing within said deadbolt;
a trigger quadrant pivotally mounted on a pivot axis in said trigger housing within the outer end of said deadbolt to pivot between an extended position protruding from said deadbolt outer end and a recessed position into said deadbolt;
said trigger quadrant having an arcuate camming surface for engaging the strike plate on the door jamb, said camming surface being radially located relative to said pivot axis so that strike plate engagement force on said camming surface causes linear movement of said quadrant and said trigger housing axially into said deadbolt;
deadbolt biasing means in said tubular housing for applying a biasing force tending to extend said deadbolt relative to said tubular housing;
deadbolt retention means in said housing to retain said deadbolt from extension;
release means engageable with said deadbolt retention means for releasing said retention means and thereby allowing deadbolt extension, and said release means being activated by said linear movement of said quadrant and trigger housing.- View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
-
15. An automatic tubular lock deadbolt assembly for a door and cooperable with a strike plate on a door jamb, including an elongated tubular housing having a front face, a deadbolt in said housing movable between a retracted position and an extended lock position, and means for shifting said deadbolt from said extended position to said retracted position, the improvement comprising:
biasing means within said housing for biasing said deadbolt toward said extended position, retention means in said housing for retaining said deadbolt in said retracted position, release means mounted for reciprocating movement towards and away from the strike plate in said housing cooperable with said retention means for releasing said deadbolt to allow extension thereof to said extended position, and configured trigger means cooperable with said release means, protruding from said deadbolt past said front face to engage the strike plate on the door jamb to move the said release means away from the strike plate and thereby cause said biasing means to automatically shift said deadbolt to said extended position with closure of the door and upon opening of the door the trigger means protruding from the said deadbolt past said front face to engage the strike plate on the door jamb causing the trigger means to rotate without moving the release means away from the strike plate.
Specification