Pet door

Details Pet door Pet door

1998-09-18

2000-11-07

Stodola, Daniel P.

Movable or removable closures

With means mounting closure for swinging

With latch or lock

49169, 74 8914, 292142, E05B 6506, E05D 1548, E05F 1152

Patent

active

061419117

ABSTRACT:
A pet door having a pair of bolt assemblies with bolts (28) mounted in a frame having an aperture (6) in which a door flap (18) is pivotably mounted. The bolts (28) are extendable into the door flap (18) and retractable into the frame (2) to lock and unlock the pet door, respectively. A bolt mechanism controller (50) is arranged to unlock the pet door on detection of a pet carrying the correct key transmitter (66) and to relock the pet door a user adjustable predetermined time after unlocking the pet door. This provides a pet door which can be used to automatically permit entry to a selected pet while using a robust bolt (28) of especial application to larger pet doors such as dog doors.

REFERENCES:
patent: 4497133 (1985-02-01), Blenkinsop
patent: 4619151 (1986-10-01), Trachman et al.
patent: 5196826 (1993-03-01), Whiting
patent: 5791179 (1998-08-01), Brask

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