Movable or removable closures – Removable closure – Releasable means on closure
Patent
1974-02-04
1976-01-06
Kannan, Philip C.
Movable or removable closures
Removable closure
Releasable means on closure
52489, E05C 2102, E04F 1908
Patent
active
039303381
ABSTRACT:
An access door assembly provides a removable covering for an access opening in a wall panel. The assembly includes clip members frictionally mounted to the wall panel at spaced locations around the periphery of the access opening. A door overlies the opening and is dimensioned to cover the clip members as well as the opening. Spring-clip fastening elements releasably secure the door to the clip members and hold the door in position over the opening in the wall panel.
REFERENCES:
patent: 590332 (1897-09-01), Palmetier
patent: 1632431 (1927-06-01), Brown
patent: 1921051 (1933-08-01), Traut
patent: 2766856 (1956-10-01), Nelsson
patent: 3064550 (1962-11-01), O'Day et al.
patent: 3187389 (1965-06-01), Anderson
patent: 3363384 (1968-01-01), Rallis
patent: 3491486 (1970-01-01), Caruth
Arelco, Incorporated
Kannan Philip C.
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