Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1998-05-08
1999-11-02
Spisich, Mark
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15383, A47L 900
Patent
active
059746220
ABSTRACT:
A self-propelled upright vacuum cleaner is provided having a lower portion and an upright handle portion pivotally attached to the floor engaging portion for a pivotal motion between an upright storage position and a pivotal operating position. A drive wheel mounted to the floor engaging portion. A transmission operatively connected to the drive wheel and a motor drivingly connected to the transmission for driving the drive wheel in forward and reverse. A transmission actuator arm pivotally mounted to the floor engaging portion adjacent to the transmission for pivotal motion about a pivot axis located at a central portion of the actuator arm. A manual actuator mounted to the handle portion. The manual actuator is operatively connected to the actuator arm, whereby when an operator actuates the manual actuator actuator arm pivots in first and second directions, respectively, from a neutral position, such that the actuator arm actuates the transmission to place the transmission in forward and reverse, respectively. First and second cams extend from the handle portion and are located to engage the actuator arm at two locations spaced to either side of the pivot axis of the actuator arm when the handle is raised to the upright storage position, whereby the cams place and lock the actuator arm in the neutral position when the handle portion is pivoted to the upright storage position.
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Louis Jeffrey S.
Morgan Jeffery A.
Specht Glenn E.
Symensma Kenneth L.
Weber Vincent L.
Lowe A. Burgess
Snider Theresa T.
Spisich Mark
The Hoover Company
Watson Bruce P.
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