Spring mounting for sash window tensioning arrangements

Details Spring mounting for sash window tensioning arrangements Spring mounting for sash window tensioning arrangements

2006-07-18

2006-07-18

Mah, Chuck Y. (Department: 3677)

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Sash balances

Spring

C049S445000, C016S193000, C016SDIG016

Reexamination Certificate

active

07076835

ABSTRACT:
A sash window counterbalance spring mounting arrangement for fitment into a channel section within a window jamb, includes coiled ribbon springs, a spring support mounting including a single integral component for locating and supporting the springs, a support for the springs to support and locate the springs on the mounting, and formed by pairs of triangular cross section projections extend from the rear surface of the main body of the mounting such that when the springs recoil rapidly outer surfaces of adjacent springs contact each other, and including an end portion of the main body which is curved, wing projections extending from the front surface of the main body, and an inter engagement element on the longitudinal end of the mounting for cooperative engagement with cooperative inter engagement features on a sash shoe, and a locating arrangement for locating the mounting within the channel section.

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