Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1998-03-11
1999-08-17
Spisich, Mark
Brushing, scrubbing, and general cleaning
Machines
Brushing
15 211, 1510404, 15104095, A46B 1302, B08B 900
Patent
active
059374705
ABSTRACT:
A metal fitting cleaner includes a support; an electrical power supply; a first bearing assembly mounted by the support; a first brush detachably mounted by the first bearing assembly for pivotal movement; a first electric motor which is mounted by the support and which is mechanically coupled to the first bearing assembly for pivotably driving the first brush; a second bearing assembly mounted by the support; a second brush detachably mounted by the second bearing assembly for pivotal movement; and a second electric motor which is mounted by the support and which is mechanically coupled to the second bearing assembly for pivotably driving the second brush. Preferably, the first and second brushes are of different size or configuration. The first bearing assembly includes a first normally-open pressure switch in electrical communication with the first electric motor for conducting electrical power from the electrical power supply to the first electric motor when the first normally-open pressure switch detects an axial force no less than a first threshold force. Likewise, the second bearing assembly includes a second normally-open pressure switch in electrical communication with the second electric motor for conducting the electrical power from the electrical power supply to the second electric motor when the second normally-open pressure switch detects an axial force no less than a second threshold force. The invention provides a portable, easy-to-use cleaner which maximizes its efficiency by directing power only to those brushes actually used in a scouring operation.
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