Baths – closets – sinks – and spittoons – Dry closets – Field
Patent
1993-02-16
1994-06-21
Fetsuga, Robert M.
Baths, closets, sinks, and spittoons
Dry closets
Field
4473, 4486, A47K 1102
Patent
active
053218582
ABSTRACT:
An automatic closure assembly for use with an outhouse or pit commode is disclosed which includes a frame having open upper and lower ends attached to the underside of a bench so as to frame an opening therein over which a toilet seat is hingably mounted atop the bench. The assembly also includes a pair of wedge shaped cradle members which are pivotally attached to front and rear surfaces of the frame which tilt in opposite directions from one another so as to open and close a lower end of the frame. The geometry of the cradle members is such that their centers of gravity are substantially spaced apart from their pivot points so as to provide a gravitational bias of each cradle member tending to urge it at all times toward its closed position against the other cradle member so as to seal the bottom end of the frame to inhibit odors from circulating in or about the outhouse when the assembly is not in use. The seat operates a plunger which moves a first linkage so as to tilt one of the cradles from its closed to its open position. A second linkage, which may be a pair of gears, tilts the other cradle in response to movement of the first cradle and in a direction opposite thereto. An air operated cylinder with an adjustable air valve dampens the closing rate of the cradles to prevent their crashing together with great force.
REFERENCES:
patent: 765643 (1904-07-01), Tregoning
patent: 2946065 (1960-07-01), Smith
Fetsuga Robert M.
Miller Jr. Maurice L.
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