Hinge structure

Details Hinge structure Hinge structure

1993-04-12

1995-06-27

Friedman, Carl D.

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

Hinge

Having prongs or cooperating structure on leaf

16390, 16221, 52640, 52645, E05D 514, E04C 311

Patent

active

054268222

ABSTRACT:
A hinge structure having a leaf having knuckles so formed that leaves having two identical such knuckle structures can be joined together to form a hinge, rather than requiring knuckle structures that are not identical. The hinge structure can have plates to hold beams in alignment to form a structure that is initially pivotal but, with the addition of other beams or structures, can be rigid and with the beams at any desired angle relative to each other.

REFERENCES:
patent: 1163641 (1914-08-01), Cummings
patent: 3749428 (1973-07-01), Hustead
patent: 3785108 (1974-01-01), Satchell
patent: 4393637 (1983-07-01), Mosier
patent: 4513474 (1985-04-01), Watabe
patent: 4872297 (1989-10-01), Hetzel et al.
patent: 5094059 (1992-03-01), Ganescu
patent: 5199218 (1993-04-01), McQuade

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