Latch handle lock for tailgates

Details Latch handle lock for tailgates Latch handle lock for tailgates

1992-03-05

1993-11-30

Cuomo, Peter M.

Locks

Special application

For closures

296 571, 70467, 70258, 292 35, 292DIG29, E05B 6512, E05B 6506

Patent

active

052654508

ABSTRACT:
A locking device is provided for a pickup truck tailgate having a conventional latching mechanism of the type comprising spring-loaded plungers engaging plunger receivers in the truck body, draw bars connecting the plungers to a scissor-plate latching mechanism the upper ends of the scissor plates being rotated toward each other to release the plungers. The locking device comprises a blocking paddle for removable insertion between the scissor plates of the latching mechanism, the blocking paddle being rotatably mounted on a spindle with attached spring means normally orienting the blocking paddle away from the scissor plates, the blocking paddle and spindle being attached by mounting members to the tailgate body. The locking device further comprises a lock attached to the tailgate body having a lock cylinder, the lock cylinder being beveled at the end opposite the lock key insert. A semi-circular aperture is provided in the blocking paddle the radius of the circular portion of the apertures being slightly greater than the radius of the lock cylinder. The lock and lock cylinder are so positioned in relation to the blocking paddle and blocking paddle aperture that the bevelled edge of the lock cylinder extends through the semi-circular aperture of the blocking paddle when the lock cylinder is in a first unlocked position. Upon rotation of the lock cylinder to a second locked position the bevelled edge of the lock cylinder engages the flat side of the semi-circular opening of the blocking plate causing the blocking plate to rotate to a second position between the scissor plates of the latching mechanism thereby preventing the scissor plates from rotating toward each other and consequently preventing release of the plungers from the plunger receivers.

REFERENCES:
patent: 4813722 (1989-03-01), Viscome et al.
patent: 4892338 (1990-01-01), Weinerman et al.
patent: 4951486 (1990-08-01), Braun et al.
patent: 5004287 (1991-04-01), Doyle

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