Self-propelled upright vacuum cleaner having a remotely disposed

Details Self-propelled upright vacuum cleaner having a remotely disposed Self-propelled upright vacuum cleaner having a remotely disposed

1986-12-31

1988-08-30

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15390, 180 193, A47L 900

Patent

active

047666404

ABSTRACT:
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 transmission 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 actuator 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.

REFERENCES:
patent: 3218876 (1965-11-01), Berger
patent: 3451495 (1969-06-01), Bayless et al.
patent: 3618687 (1971-11-01), Ripple et al.
patent: 4249281 (1981-02-01), Meyer et al.
patent: 4615071 (1986-10-01), Frohbieter

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