Scrubber-sander with cleaner dispensing means

• US 3,981,106 A
• Filed: 04/29/1975
• Issued: 09/21/1976
• Est. Priority Date: 04/29/1975
• Status: Expired due to Term

• Current Assignee: Alfredo Gallo
• Original Assignee: Alfredo Gallo
• Inventors: Gallo, Alfredo
• Primary Examiner(s): Smith, Al Lawrence
• Assistant Examiner(s): Godici, Nicholas P.
• Application Number:
  US05/572,922
• Time in Patent Office: 511 Days
• Field of Search: 15/22 R, 15/231, 15/232, 401/196, 401/200, 401/202, 401/207, 401/270-271, 401/276, 401/278-281, 401/4, 51/358
• US Class Current: 451/490
• CPC Class Codes: B24D 15/02 rigid; with rigidly-supported operative surface

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.

Claims

1. A scrubber body comprising a hollow body closed at its lower end by means of a bottom wall, said body including an upper filler opening for introducing a selected fluent material into said body, said bottom wall having an outlet opening formed therein for gravity discharge of fluent material therethrough from within said body, said bottom wall including valve means guidingly supported therefrom operably associated with said outlet opening and shiftable relative to said bottom wall between open and closed positions, a scrubber member supported from said body beneath said bottom wall and said outlet opening penetrable by fluent material, valve means including a valve plate closely underlying said bottom wall and oscillatably supported therefrom, said valve plate including a discharge opening formed therethrough shiftable into and out of registry with said outlet opening upon oscillation of said valve plate relative to said bottom wall, said bottom wall and valve plate including corresponding central portions, said central portions including coacting mounting means rotatably supporting the central portion of said valve plate from the central portion of said bottom wall for oscillation about an upstanding axis extending generally centrally through said body.

2. The combination of claim 1 wherein said outlet and discharge openings are spaced radially outwardly of said axis.

3. The combination of claim 2 wherein said bottom wall and valve plate include pairs of corresponding selectively registrable outlet and discharge openings formed therein and spaced about said axis.

4. The combination of claim 1 including an upstanding sleeve supported from and extending through said bottom wall, said scrubber member including a mounting plate underlying said valve plate and provided with an upstanding shank portion removably secured in said sleeve against rotation relative to said bottom wall, the portion of said sleeve projecting below said bottom wall and the central portion of said valve plate comprising said mounting means.

5. The combination of claim 4 wherein said mounting plate is generally circular in plan shape.

6. The combination of claim 4 wherein said sleeve defines an upwardly tapering and downwardly opening socket, said shank portion tapering upwardly and being upwardly seated in said socket.

7. The combination of claim 6 wherein the upper portions of said sleeve and said shank portion including releasable means securing said shank portion within said socket.

8. The combination of claim 4 wherein said mounting plate is generally circular in plan shape, but includes circumferentially spaced radially outwardly projecting portions.

9. The combination of claim 1 including means yieldingly biasing said valve plate away from a position with said discharge opening registered with said outlet opening toward a position with said discharge opening out of registry with said outlet opening.

10. The combination of claim 9 wherein said means yieldingly biasing said valve plate including means limiting oscillation of said valve plate in both directions.

11. A scrubber body comprising a hollow body closed at its lower end by means of a bottom wall, said body including an upper filler opening for introducing a selected fluent material into said body, said bottom wall having an outlet opening formed therein for gravity discharge of fluent material therethrough from within said body, said bottom wall including valve means guidingly supported therefrom operably associated with said outlet opening and shiftable relative to said bottom wall between open and closed positions, a scrubber member supported from said body beneath said bottom wall and said outlet opening penetrable by fluent material, said valve means including portions thereof projecting into the lower portion of the interior of said body adjacent said outlet opening and shiftable with said valve means for agitating dry fluent material within said body to be discharged therefrom through said outlet opening.