Pet doors

Details Pet doors Pet doors

1988-09-09

1990-11-13

Dorner, Kenneth J.

Movable or removable closures

Mounted for optional movements

One closure movable separately from or with other closure

160180, 160 90, E05D 1548

Patent

active

049692925

ABSTRACT:
A pet door has a frame member with a laterally-projecting tunnel formation together defining a portal through which a pet may pass. A flap is located in the portal for closing the portal, the flap being displaceable in one or other of two directions by a pet, to enable the pet to pass through the door in one direction or the other. The tunnel formation provides a ledge which confronts an adjacent opening edge of the flap when the latter is displaced in at least one opening direction, the frame member defining a step down or rebate which disposes the ledge sufficiently spaced away from the adjacent edge of the flap when the flap is displaced in the said direction as to ensure that a pet's paw cannot become trapped and jammed between the flap edge and the ledge.

REFERENCES:
patent: 3184803 (1965-05-01), Peel
patent: 3464158 (1969-09-01), Greene
patent: 3978616 (1976-09-01), Pennock
patent: 4022263 (1977-05-01), Beckett et al.
patent: 4047331 (1977-09-01), Davlantes
patent: 4224899 (1980-09-01), Cruchelow
patent: 4408416 (1983-10-01), Davlantes
patent: 4421058 (1983-12-01), Paul
patent: 4480407 (1984-11-01), Needham et al.
patent: 4754797 (1988-07-01), Sronce

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