Springless self-latching hinge having a resilient hinge member

Details Springless self-latching hinge having a resilient hinge member Springless self-latching hinge having a resilient hinge member

1974-12-06

1976-01-13

Larkin, Geo. V.

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

Sash balances

Spring

16150, 16180, 16DIG13, E05D 1108

Patent

active

039316637

ABSTRACT:
In a springless self-latching hinge having a pair of hinge members pivotally connected by a hinge pin, one hinge member is formed of resilient material configured releasably to maintain the hinge closed. This resilient hinge member includes a spaced pair of hinge pin receiving knuckles extending from a base portion which may be slightly bowed toward the pin. The other hinge member has a hinge knuckle terminating at a bearing sleeve a portion of which incompletely encircles the pin to define a recess. A boss projects from the central base portion of the resilient hinge member to engage the bearing sleeve recess when the hinge is closed. As the hinge is opened, the bearing sleeve depresses the boss to place the central region under compression. Thus the hinge is held releasably closed until sufficient opening effort is exerted to rotate the hinge and thereby compress the resilient member. In an alternative embodiment, the resilient hinge member contains a central pin receiving knuckle and a pair of bosses which cooperate with a pair of recessed bearing sleeves on the other hinge leaf to perform the latching function.

REFERENCES:
patent: 2083140 (1937-06-01), Brantingson
patent: 2136141 (1938-11-01), Loftin et al.
patent: 2636759 (1953-04-01), Rueb
patent: 3475783 (1969-11-01), Jorgensen
patent: 3629899 (1971-12-01), Deadrick
patent: 3822440 (1974-07-01), Holmes et al.
patent: 3837043 (1974-09-01), Coe

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