Hinge having a laterally outwardly extending flat spring

Details Hinge having a laterally outwardly extending flat spring Hinge having a laterally outwardly extending flat spring

1981-07-20

1984-06-26

Silverberg, Fred

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

Hinge

Retractable pintle

16258, 16262, 16380, 16386, E05D 710

Patent

active

044557116

ABSTRACT:
A quick release hinge/latch for removably attaching two surfaces including a keeper adapted to attach to a surface and having an edge portion in the form of a hollow keeper tube, a housing adapted to attach to another adjacent surface and also having an edge portion in the form of a hollow housing tube such that the keeper tube and housing tube fit together to form an extended tube, a pin which slides within the extended tube to detachably connect the keeper and housing and a flat spring/actuator which attaches to the pin through an opening in the housing tube. The spring/actuator when in a first position holds the pins partially extended into the keeper tube. When the leg portions of the spring/actuator are pinched together and into a second position the pin is withdrawn from the keeper tube. The pinched spring/actuator can then be rotated about the housing tube axis into a third position where the spring/actuator locks into a radial opening in the housing tube to thereby lock the pin entirely within the housing tube allowing easy detachment of the housing from the keeper. The spring/actuator is shown in preferred embodiments as a C- or W-shaped flat spring.

REFERENCES:
patent: 2186789 (1940-01-01), Rosenberg
patent: 3908227 (1975-09-01), Cain
patent: 4178657 (1979-12-01), Way, Jr.
"Kwik! Release Hinge Assemblies", Burklyn Hinge Division of the Hartwell Corporation, numbered here as pp. 1-4, published prior to Jul. 20, 1980.
Drawings of Various Hinges, Manufactured and Sold by the Hartwell Corporation, numbered here as pp. 5-11, sold prior to 7/20/81.

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