Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Sash balances – Spring
Patent
1975-10-03
1976-05-18
Larkin, G. V.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Sash balances
Spring
16163, E05D 900
Patent
active
039567931
ABSTRACT:
A hinge for mounting a closure in an opening in a structure for swinging movement about an external hinge line or axis without the use of external hinge devices. The hinge device comprises first and second attachment members mounted on a member of the structure at one boundary of the opening and on the closure, respectively. The first attachment member is mounted internally of the opening and the second attachment member is mounted on the inner side of the closure. A first hinge member is pivotally coupled to the first attachment member for swinging movement about a first axis and a second hinge member is pivotally coupled to the second attachment member for swinging movement about a second axis. The first and second hinge members at their distal ends are pivotally coupled to each other for swinging movement about the third axis intermediate the first and second axes.
The important feature is that the hinge device is mounted with all three of its axes obliquely positioned relative to one another and intersecting at a point outside of the surface of the closure when the latter is in a closed position in the structure opening to provide externally of the opening a pivot point about which the closure is swingable to and from an opened position. Generally, a pair of hinge devices are used to support the closure and the two pivot points define a hinge axis externally of the structure opening.
REFERENCES:
patent: 2994907 (1961-08-01), Hammond
patent: 3150408 (1964-09-01), Belsky
patent: 3594853 (1971-07-01), Slattery
Ford Motor Company
Larkin G. V.
Roethel John J.
Zerschling Keith L.
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