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US 4,719,774 AGranted
Deadbolt assembly
AssigneeOgden Industries Pty. Ltd.
InventorsDonald J. Newman, John A. Christie
Life of this patent
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AssigneeOgden Industries Pty. Ltd.
InventorsDonald J. Newman, John A. Christie
Estimating the term…
A deadbolt assembly of the kind in which a deadbolt is mounted on a housing for linear movement between inoperative and inoperative positions in which the deadbolt engages with and does not engage respectively, a strike. An actuator is rotatably mounted on the housing and is drivably connected to the actuator through a drive plate which rotates in response to operation of the actuator, and a drive pin is secured to the plate at a position radially outwards of the rotational axis of the plate. The pin locates within a non-circular hole provided in the deadbolt and reacts against edges of that hole to cause the deadbolt movement. The pin moves along an arcuate path between each of its two extreme positions, and at each of those positions the pin lies on a straight line which extends substantially parallel to the direction of movement of the deadbolt and which substantially intersects the rotational axis of the drive plate. Both the deadbolt and the strike can be made from steel or other strong metal.
A deadbolt assembly including, a housing, a deadbolt mounted on said housing for linear movement relative thereto between operative and inoperative positions, an actuator mounted on said housing, a drive plate rotatably mounted on said housing and being connected to said actuator so as to rotate in response to operation of said actuator, a drive pin fixed to said drive plate so as to move therewith and being located radially outwards from the axis of said plate rotation, the assembly being one wherein said pin travels through an arc during movement of said deadbolt between said positions thereof, and the extremities of said arcuate travel are located on a straight line which is substantially parallel to the path of said linear movement, and means on said deadbolt cooperating with said pin so that said pin is adapted to push against said deadbolt and thereby cause said linear movement thereof as said plate is rotated.
A deadbolt assembly including, a housing, a deadbolt mounted on said housing for linear movement relative thereto between operative and inoperative positions, said deadbolt comprising a carrier plate and two cylindrical parts which are secured to said carrier plate so as to be substantially coaxial and arranged in axially spaced relationship, the axis of each said cylindrical part being substantially parallel to the direction of said linear movement, an actuator mounted on said housing, a drive plate rotatably mounted on said housing and being connected to said actuator so as to rotate in response to operation of said actuator, a drive pin fixed to said drive plate so as to move therewith and being located radially outwards from the axis of said plate rotation, and means on said deadbolt cooperating with said pin so that said pin is adapted to push against said deadbolt and thereby cause said linear movement thereof as said plate is rotated.
Dependencies are inferred from the claim text.