Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1984-04-16
1985-02-12
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15328, 15339, 15359, 15361, 15365, 15410, A47L 700
Patent
active
044982143
ABSTRACT:
A carpet cleaning apparatus is disclosed which includes a new and improved auxiliary cleaning device arrangement incorporated in a conventional vacuum cleaner. The auxiliary cleaning device is movable into a carpet engaging position for frictionally engaging a carpet surface and simultaneously distributing cleaning material thereon which emulsify, rub, and thereby cause release of dirt, dust and other foreign particles from carpet fibers and allow their removal and collection by agitator and suction cleaning elements of the apparatus. A retraction means is provided for automatically retracting the auxiliary cleaning device in response to handle assembly movement to a storage position, and a retaining means is provided to lock the device in the retracted position. The retaining means selectively either permits movement of the device to a carpet engaging position or maintains the device in a retracted position independently of subsequent handle assembly movement. In one arrangement utilizing a liquid fed auxiliary cleaning device, a liquid shut-off means is disclosed for automatically terminating liquid flow to the device in response to movement of the handle assembly to a substantially vertical or storage position.
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Kreske Gerald H.
Lowe A. Burgess
Moore Chris K.
The Hoover Company
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