Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Hinge – Having means to reduce friction between hinge parts
Reexamination Certificate
2005-06-23
2008-10-28
Sandy, Robert J (Department: 3677)
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Hinge
Having means to reduce friction between hinge parts
C016S242000, C016S248000
Reexamination Certificate
active
07441308
ABSTRACT:
Watertight closure of an opening within a wall, under manually controlled displacement of a door panel, is enhanced by pivotal mounting of the door panel on the wall by vertically spaced hinge assemblies each of which is more readily assembled from a minimal number of components including upper and lower hinge pads fixed to the wall, a single hinge pin supported on the upper hinge pad and extending downwardly therefrom through the lower hinge pad and an end portion of a hinge blade fixed to the door panel. Flanged bushings are inserted into the upper and lower hinge pads through which the hinge pin extends. Also positioned within the end portion of the hinge blade through which the hinge pin extends is a flanged bushing having a horizontally elongated hole formed, therein through which the hinge pin extends so as to allow limited horizontal displacement thereof relative to the wall. The bottom flange of the hinge blade bushing is spaced by a pair of washers from the flange of the lower hinge pad bushing.
REFERENCES:
patent: 3592257 (1971-07-01), Matyas
patent: 3921225 (1975-11-01), Suska
patent: 3991436 (1976-11-01), Nagase
patent: 4353146 (1982-10-01), Brockhaus
patent: 4630332 (1986-12-01), Bisbing
patent: 5075928 (1991-12-01), Bobrowski
patent: 3641602 (1988-06-01), None
patent: 149492 (1985-07-01), None
patent: 2071201 (1981-09-01), None
patent: 2122679 (1984-01-01), None
patent: 2195958 (1988-04-01), None
Ghatt Dave
Rodriguez Ruth C
Sandy Robert J
Shuster Jacob
The United States of America as represented by the Secretary of
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