Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Sash balances – Spring
Patent
1977-03-31
1978-07-04
Kee Chi, James
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Sash balances
Spring
16169, 308174, 308230, E05D 1104
Patent
active
040979598
ABSTRACT:
There is disclosed an improved load supporting hinge structure which includes bearing units disposed between adjacent knuckles of the leaves of the hinge to afford both the desired support and smooth operation thereof. Each of the knuckles of the hinge structure includes a central axial bore, the bores being aligned coaxially. Each of the ball-bearing units includes an axially outer and an axially inner race member and a train of bearing members mounted for movement therebetween. The respective race members are constructed so that the bearing unit can accommodate both vertical and horizontal loads, with uniform loading of the load supporting bearing elements being attained by provision for slight relative movement between the race members and the bearing elements.
REFERENCES:
patent: 179409 (1876-07-01), Hopkins
patent: 1800238 (1931-04-01), Woernle
patent: 1931871 (1933-10-01), Large
patent: 3118171 (1964-01-01), Parsons
patent: 3465380 (1969-09-01), Foltz
Chi James Kee
Lawrence Brothers Inc.
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