Pet door

Details Pet door Pet door

1996-03-26

1997-12-30

Redman, Jerry

Movable or removable closures

Mounted for optional movements

One closure movable separately from or with other closure

49394, 160180, E05D 1548

Patent

active

057017026

ABSTRACT:
A pet door has a frame defining an access aperture with a pivotally-hung aperture-closing flap therein and with a catch to secure the flap against opening in one direction. The catch is supported on a collapsible support, and a pivoted lever is normally positioned to prevent collapse of the support whereby the catch is maintained in a flap-securing position. The lever bears a freely-rotatable elongate magnet which is co-operable with a key magnet on a pet collar, and when the key magnet is presented to the pet door, it attracts the magnet on the lever causing the lever to pivot to a position giving the support freedom to collapse and permitting the catch to be moved from the flap-securing position.

REFERENCES:
patent: 4022263 (1977-05-01), Beckett et al.
patent: 4216743 (1980-08-01), Cohen
patent: 4969292 (1990-11-01), Reid et al.
patent: 4991350 (1991-02-01), Kirk
patent: 5469659 (1995-11-01), Reid et al.

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