Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Hinge – Having means to reduce friction between hinge parts
Patent
1978-12-18
1982-11-23
Kundrat, Andrew V.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Hinge
Having means to reduce friction between hinge parts
308174, E05D 1114
Patent
active
043598048
ABSTRACT:
There is disclosed an improved load supporting hinge structure which includes concealed bearing units, disposed within an intermediate knuckle of one of the hinge leaves and adjacent to the spaced end knuckles of the other one of the hinge leaves to afford both the desired support and smooth operation thereof. Each of the bearing units includes a first, generally annular, race member defining a first raceway and having a central aperture, a second, generally annular race member defining a second raceway and having an axial extension which engages the hinge pintle and extends axially therealong through the first race member aperture to provide non-bending support for the pintle.
REFERENCES:
patent: 1931871 (1933-10-01), Large
patent: 1948105 (1934-02-01), Ford
patent: 1998735 (1935-04-01), Rasmussen
patent: 2232473 (1941-02-01), Pulleyblank
patent: 2512941 (1950-06-01), Johnson
patent: 3118171 (1964-01-01), Parsons
patent: 3465380 (1969-09-01), Foltz
patent: 4097959 (1978-07-01), Johnson
Kundrat Andrew V.
Lawrence Brothers Inc.
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