Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1975-04-29
1976-09-21
Smith, Al Lawrence
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
15231, 401 4, 401270, B24D 1700, A46B 1104
Patent
active
039811069
ABSTRACT:
A hollow body closed at its lower end by means of a bottom wall is provided and the body includes an upper filler opening for introducing a selected fluent material into the body. A false bottom wall is disposed in surface-to-surface engagement with and underlies the bottom wall and is oscillatably supported from the latter for shifting between first and second positions. The bottom wall and false bottom wall have openings formed therethrough which are disposed out of registry with each other when the false bottom wall is in its first position and registered with each other when the false bottom wall is disposed in the second position thereof, whereby fluent material within the hollow body may flow, by gravity, downwardly through the openings formed in the bottom wall and the false bottom wall. Structure is provided for yieldingly biasing the false bottom wall to the first position thereof and a support plate is supported from the body in spaced relation below the bottom wall and has fluent material openings formed therethough. The underside of the plate is provided with an interchangeable pad of scouring material, a brush body or a sanding head and the scrubber body of the instant invention may therefore also be utilized as a sander.
REFERENCES:
patent: 1121788 (1914-12-01), Bongiovanni
patent: 1481499 (1924-01-01), Bongiovanni
patent: 1767766 (1930-06-01), Lunkenheimer
patent: 1961518 (1934-06-01), Larkin
patent: 2736914 (1956-03-01), Ratliff
patent: 2963728 (1960-12-01), Michaely
patent: 3597098 (1971-08-01), Kellis
Godici Nicholas P.
Jacobson Harvey B.
O#Brien Clarence A.
Smith Al Lawrence
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