Baths – closets – sinks – and spittoons – Flush closet – With toilet tissue holder
Patent
1983-11-10
1985-10-22
Artis, Henry K.
Baths, closets, sinks, and spittoons
Flush closet
With toilet tissue holder
4321, 4353, 4661, 73293, 73317, 73327, 73DIG5, 137558, E03D 100, E03D 300, E03D 500
Patent
active
045479160
ABSTRACT:
A level indicator for a portable toilet comprises a visible indicator on the exterior of the toilet's holding tank, a float mechanism on the tank's interior operable to sense the level of liquid material in the tank, and a magnetic coupling between the float mechanism and the indicator for causing the indicator to be operated to a position corresponding to the level of liquid material sensed by the float mechanism. The indicator is in the form of a wheel journaled on a receptacle in the top wall of the holding tank. A magnet mounts on the wheel in radially spaced relation to its axis. The float mechanism comprises an arm which is operated along an arc in response to changes in the level of liquid material in the tank. The arm has a magnet which swings in a corresponding arc and which confronts the wheel magnet so that the wheel is rotated about its axis as the float arm is operated about its own axis. The wheel is enclosed by a bezel and lens assembly and the wheel contains indicial viewable through a window of the bezel and lens assembly. The float mechanism comprises a one-piece molded plastic element containing an integral hinge between a portion which mounts on the holding tank wall and another portion which forms the movably float arm. The construction requires no holes through the wall of the holding tank nor any separate fasteners.
REFERENCES:
patent: 2592929 (1952-04-01), Matchett
patent: 3161055 (1964-12-01), De Giers
patent: 3949430 (1976-04-01), Miller et al.
Antos John M.
Henke Arthur W.
Artis Henry K.
Thetford Corporation
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