Multi-use damper

Details Multi-use damper Multi-use damper

1985-03-28

1986-12-16

Walton, George L.

Fluid handling

Destructible or deformable element controlled

Heat destructible or fusible

98 411, 137 79, 1375121, 137601, 137375, 2512495, 251291, 251298, 251212, F16K 1738, F16K 3153

Patent

active

046289542

ABSTRACT:
An air damper having a housing, a strut mounted across the housing, a pair of damper panels hinged on the strut, and swingable between open and closed positions, an adjustable control above the strut, and, linkage on the upper side of each panel extending to the control to cause the panels to swing from one position to the other.

REFERENCES:
patent: 7713 (1850-10-01), Woodside
patent: Re28492 (1975-07-01), Hedrick et al.
patent: 1659880 (1928-02-01), Kauffman
patent: 2837991 (1958-06-01), DeRoo
patent: 3074427 (1963-01-01), Wheeler, Jr.
patent: 3076469 (1963-02-01), Averill
patent: 3147768 (1964-09-01), Kennedy
patent: 3384112 (1968-05-01), Smith
patent: 3592240 (1971-07-01), Hedrick
patent: 3976245 (1976-08-01), Cole
patent: 4146048 (1979-03-01), McCabe
patent: 4445533 (1984-05-01), DeFrees
patent: 4469132 (1984-09-01), Redington
patent: 4487214 (1984-12-01), Tatum

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