Water activated hatch closure

Details Water activated hatch closure Water activated hatch closure

1993-07-30

1994-10-11

Cuomo, Peter M.

Movable or removable closures

Responsive to or directly actuated by ambient fluid

Fluid softenable or soluble latch release

E05F 1520

Patent

active

053535472

ABSTRACT:
A closure assembly and strut for a pivoting closure which automatically operates to close the closure when rain begins to fall. The closure assembly is provided with two pivoting arms which, when pivoted to their extreme positions, would allow a slot provided on a hinge portion of each arm to align into which a soluble restraining element is placed. The extremity portions of each arm are used to support the closure in an opened position. When it begins to rain, water would hit the soluble element directly or would indirectly be directed to this soluble element through capillary action which would soften the soluble restraining element, allowing a spring to trip the pivot out of alignment with the ends, thereby precipitating the collapse of the closure element. Once the closure element collapses, the closure would close due to the force of gravity.

REFERENCES:
patent: 904304 (1908-11-01), Bulger
patent: 908020 (1908-12-01), MacVicar et al.
patent: 1094862 (1914-04-01), Newcomb
patent: 1604289 (1926-04-01), Kindler et al.
patent: 1752854 (1929-06-01), Schierghofer
patent: 2441230 (1944-10-01), Stukes
patent: 2507318 (1950-05-01), Mumenthaler
patent: 3005488 (1961-10-01), Murphy et al.
patent: 3104870 (1961-07-01), Kawabata

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