Hold-open mechanism for refrigerated display cabinet having coop

Details Hold-open mechanism for refrigerated display cabinet having coop Hold-open mechanism for refrigerated display cabinet having coop

1981-09-28

1984-01-31

Silverberg, Fred A.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Hinge

Including means to hold or retard hinged members against...

16347, 16374, 267158, 292 76, E05D 1110

Patent

active

044280963

ABSTRACT:
A hold-open mechanism is disclosed which is particularly suitable for use on a self-closing door assembly for a refrigerated display cabinet. The hold-open mechanism includes a stop plate carried by the hinged door, and a hold-open spring mounted on the door frame which supports the door. In one embodiment, the hold-open spring is selectively positionable so as to accommodate normal swinging movement of the door in one position, and is adapted to releasably engage and retain the stop plate on the door in a second position so that the door is maintained opened. In another embodiment, the hold-open mechanism automatically operates to releasably retain the door in its fully opened position whenever the door is moved to that position.

REFERENCES:
patent: 2513751 (1950-07-01), Semar
patent: 2712149 (1955-07-01), Harms
patent: 2947023 (1960-08-01), Hollar, Jr.
patent: 2987782 (1961-06-01), Kurowski
patent: 3070829 (1963-01-01), Peras
patent: 3131421 (1964-05-01), Kurowski
patent: 3710417 (1973-01-01), Berman et al.
patent: 3911529 (1975-10-01), Pringle
patent: 4177540 (1979-12-01), Gorton
patent: 4329759 (1982-05-01), Lautenschlager

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