Electric vacuum cleaner with window for viewing belt

Details Electric vacuum cleaner with window for viewing belt Electric vacuum cleaner with window for viewing belt

1981-09-21

1983-07-12

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15391, A47L 900

Patent

active

043922716

ABSTRACT:
An electric vacuum cleaner has a generally opaque housing enclosing a bruch roller rotatable about a horizontal axis, a motor, and a belt or the like extending from the motor to a pulley on or affixed to the brush roller, for driving the brush roller. A transparent window is provided in the top of the housing and aligned with the belt, and highly contrasting markings are provided on the belt, thereby to enable an operator to determine, viewing the belt through the window, the moving condition of the belt.

REFERENCES:
patent: 1347166 (1920-07-01), Kirby
patent: 4068341 (1978-01-01), Scott et al.

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