Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Hinge – Having plural hinge axes
Patent
1981-09-08
1983-11-15
Silverberg, Fred
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Hinge
Having plural hinge axes
49248, 403341, 403388, E05D 1532
Patent
active
044147066
ABSTRACT:
A friction stay for a window has mounting plates 1,3 for connection to the window frame and sash (not shown) with the plates being connected by pivotal arms 5,8. There is provided a coupling 13 in one arm which connects two link parts 11 and 12 of the arm together. The coupling 13 includes two resilient elements 16,17 which are arranged to be compressed under loads applied longitudinally of the arm on pivotal movement of the stay in use. The elements 16,17 effectively store energy and release this on folding of the stay to apply a pull-in force to the sash to hold it closed to the frame. The coupling 13 includes a connector plate 14 which by a rivet 22 couples and locates the ends of the link parts 11,12 together for relative movement with the resilient elements 16,17 being interposed between the plate 14 and opposed link parts. Other forms of resilient coupling are described in further embodiments.
REFERENCES:
patent: 2516196 (1950-07-01), Fowler
patent: 2781560 (1957-02-01), Ziesmer
patent: 4226002 (1980-10-01), Davis
Arthur Shaw Manufacturing Company
Silverberg Fred
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