Jamb liner

Details Jamb liner Jamb liner

1991-12-20

1993-11-30

Sipos, John

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

Sash balances

Spring

49419, E05D 1300, E05D 1516

Patent

active

052653080

ABSTRACT:
A jamb liner for a double hung window wherein a length of the jamb liner is mounted to and overlies each of the jamb sides defining the window opening. Each jamb liner has a front profile corresponding to the side of the associated sash to slidably retain and guide the sash. The jamb liner is extruded from a plastic material that is at least semi-rigid. Coextruded on the rear face of the jamb liner is are a pair of longitudinal spring hinge members each having a first portion contiguous with the jamb liner formed from a resilient material having a spring characteristic, and a second portion extending from the first portion formed from a plastic material that is at least semi-rigid. In mounting the window assembly into the jamb opening, the spring hinge members bendably and springably engage the associated jamb sides to generate a uniform biasing force on the sides of the sashes.

REFERENCES:
patent: 3078523 (1963-02-01), Martin
patent: 3145433 (1964-08-01), Jones
patent: 3441978 (1969-05-01), Perry
patent: 4470222 (1984-09-01), Killingsworth

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