Security knob on pet door panel

Details Security knob on pet door panel Security knob on pet door panel

1995-02-06

1996-09-03

Kannan, Philip C.

Movable or removable closures

Mounted for optional movements

One closure movable separately from or with other closure

70371, 70416, 70455, 292DIG27, 292DIG46, 292132, 292232, E05D 1548

Patent

active

055511880

ABSTRACT:
A security knob assembly for a panel including a pet door, mounted on the panel remotely from the pet door, the security knob assembly including a latch movable between lock and unlock positions, the latch being operated by rotation of a knob after the knob is pushed in axially from a disengaged to an engaged position. The knob has an array of pins that engage an array of holes when the knob is pushed in to operate the latch. The latch may also be operated by a key cylinder, and the mechanism provides a plug to plug up the opening to the mechanism when a key cylinder is absent.

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