Compact window operator
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United States of America Patent
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-
Jul 25, 1995
Grant Date -
N/A
app pub date -
Jun 14, 1993
filing date -
Jun 14, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A compact counterbalanced window operator includes a housing in which operating arms pivotally connected in the housing and slidingly and pivotally connected to a sash of the window are counterbalanced by a torsion spring. In one embodiment, connections between the torsion spring and the operating arms are adjustable in order to vary the counterbalancing force applied to the operating arms.
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Cited Art Landscape
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