Panel with counterweight

Details Panel with counterweight Panel with counterweight

1980-03-11

1982-06-15

Kannan, Philip C.

Movable or removable closures

With means mounting closure for swinging

With biasing means

E05F 100

Patent

active

043343899

ABSTRACT:
A panel with a counterweight for opening and closing and/or bridging an opening or a space. In a preferred embodiment the construction is such that when the panel is in its closed position, the counterweight lies substantially in the same plane as the panel and relative to the pivot the counterweight extends in opposite direction to the panel; when the panel is in the open position, the counterweight lies mainly in the same plane as the panel and relative to the pivot said counterweight extends in the same direction as the panel.

REFERENCES:
patent: 1253302 (1918-01-01), Tomkinson
patent: 1947691 (1934-02-01), Baldwin et al.
patent: 1956269 (1934-04-01), Canavan
patent: 1994785 (1935-03-01), Premo

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