Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Sash balances – Spring
Patent
1993-01-21
1994-11-22
Bradley, P. Austin
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Sash balances
Spring
E05D 1300
Patent
active
053656385
ABSTRACT:
A mounting element and assembly for a sash frame tensioner used in a sash window frame to support the window in any desired open position, the assembly comprising a channel section member and a sash frame support element slidable in said channel section member. A coiled ribbon spring having a free outer end thereof engaged with said sash frame support member, and a mounting element, the mounting being disposed between the sash frame support member and a coiled body portion of said coiled ribbon spring with a free end of said coiled ribbon spring disposed alongside said mounting, said mounting being secured to said channel section member, directly or indirectly, and in use impinging upon an outer surface of said coiled body portion to retain said coiled body portion in position during uncoiling of said coiled ribbon spring as said sash support member is moved away from said coiled body portion.
REFERENCES:
patent: 2732594 (1956-01-01), Adams et al.
patent: 2873472 (1959-02-01), Foster
patent: 3452480 (1969-07-01), Foster
patent: 3992751 (1976-11-01), Foster et al.
patent: 4227345 (1980-10-01), Durham
patent: 5157808 (1992-10-01), Sterner
Braid Harold K.
Braid Simon C.
Bazerman Steven H.
Bradley P. Austin
Mah Chuck Y.
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