A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
15/47
A47L 5/12 (2006.01) A47L 9/00 (2006.01) A47L 9/28 (2006.01) A47L 11/40 (2006.01)
Patent
CA 1287952
SELF-PROPELLED UPRIGHT VACUUM CLEANER HAVING A REMOTELY DISPOSED TRANSMISSION AND A POSITIVE LOCKING MECHANISM Abstract of the Disclosure A self-propelled, upright suction or vacuum cleaner includes a base unit and a handle assembly pivotally extending therefrom that can be pivoted from an upright position to a comfortable operating position. The handle assembly includes a handle grip at one end and a drive system housing at its other end containing a drive system including a cleaner motor for propelling the cleaner. The drive system includes a trans- mission for transferring power from the cleaner motor to a pair of drive wheels fixedly secured to a drive axle. The transmission is remotely disposed from the drive axle and is connected thereto by a drive belt. The transmission includes an actuator that is controlled by a cable extending from the handle grip. As long as the handle grip maintains the actuator in a neutral position, the drive wheels are not rotated. If the handle grip is pushed or pulled by an operator, the actua- tor is pivoted by the cable and the transmission causes the drive wheels to propel the cleaner in a forward direction or a reverse direction, respectively. In order to ensure that the cleaner is not propelled by the drive wheels when the handle assembly is in its upright position, a positive acting locking mechanism that includes an actuator rod pivotably connected to the base unit causes a locking lever to be pivoted into engagement with the actuator to maintain the actuator in its neutral position.
555728
Hardy James Andrew
Kleiss Roderick Edward
Martin Dean Charles
Hardy James Andrew
Kirby Eades Gale Baker
Kleiss Roderick Edward
Martin Dean Charles
Panasonic Corporation Of North America
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