Transparent belt lifter mounting for vacuum cleaners

Details Transparent belt lifter mounting for vacuum cleaners Transparent belt lifter mounting for vacuum cleaners

1976-02-26

1978-01-17

Moore, Christopher K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15332, 15390, A47L 532

Patent

active

040683419

ABSTRACT:
An upright vacuum cleaner is disclosed providing a belt lifter operable to connect and disconnect the floor brush belt from the motor drive shaft. The belt lifter combines a viewing window allowing the user to easily observe the position of the belt and/or its operation. The belt lifter is provided with a tubular shaft portion pivotally mounted in the forward wall of the floor nozzle housing and a transparent plastic cup shaped member positioned within the tubular shaft section in which the end wall provides the viewing window. A face plate is keyed to the tubular shaft section to rotate the belt lifter for connecting and disconnecting the belt. A pair of triangular shaped snap rings secure the belt lifter assembly in its assembled position.

REFERENCES:
patent: 1347166 (1920-07-01), Kirby
patent: 3049744 (1962-08-01), MacFarland
patent: 3646632 (1972-03-01), MacFarland

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