Balance assembly for a window

Details Balance assembly for a window Balance assembly for a window

1985-07-08

1987-02-17

Jordan, M.

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

Sash balances

Cord and counterweight

16DIG16, E05D 1300

Patent

active

046428453

ABSTRACT:
This invention relates to a balance assembly for windows in which a gas pressurized piston and cylinder device with pulley wheels at each end acts as a balance element for the windows.

REFERENCES:
patent: 621669 (1899-03-01), Hinds
patent: 2428976 (1947-10-01), Macklanburg
patent: 3358403 (1967-12-01), Dinsmore
patent: 3676956 (1972-07-01), Taylor et al.
patent: 4004372 (1977-01-01), Beard et al.
patent: 4230309 (1980-10-01), Schnitzius

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