Coating implements with material supply – Brush – broom – or mop – Including feeder
Patent
1990-03-26
1991-01-29
Hornsby, Harvey C.
Coating implements with material supply
Brush, broom, or mop
Including feeder
15160, 15184, 132116, 132121, 132123, 401287, A46B 1106, A46B 706, A45D 2416
Patent
active
049882287
ABSTRACT:
A brush includes a housing unit and a bristle plate disposed within the housing unit. The bristle plate has a plurality of parallel bristle elements projecting downward therefrom. A guide unit guides the bristle elements to move through the bristle holes of the housing unit. A resilient unit biases the bristle plate to move upward in the housing unit, so as to retract the bristle elements into the housing unit. A bristle-pushing member includes a generally inverted U-shaped body riding on the bristle plate, a rotating shaft provided on the body and journalled in the housing unit, a rotary lever connected securely to an end of the body, and a push lever connected securely to the other end of the body. Rotation of the rotary lever moves the bristle elements between an extension position and a retraction position. When the bristle elements are at the extension position, the rotary lever can be moved to engage within the retaining groove of the housing unit, so as to lock the bristle elements relative to the housing unit. Actuation of the push lever disengages the rotary lever from the retaining groove of the housing unit. A bias element biases the rotary lever to engage within the retaining groove of the housing unit when the bristle elements are at the extension position.
REFERENCES:
patent: 1686936 (1928-10-01), Simpson
patent: 3754557 (1973-08-01), Moore
patent: 4527576 (1985-07-01), Chou
patent: 4574416 (1986-03-01), Stewart et al.
Cooley Charles E.
Hornsby Harvey C.
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