Vacuum cleaner

Details Vacuum cleaner Vacuum cleaner

1984-10-18

1986-04-15

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15390, 15391, A47L 530

Patent

active

045817871

ABSTRACT:
An upright vacuum cleaner includes a floor nozzle having a rotatable brush housed therein for operative contact with a surface to be cleaned, a main cleaner assembly coupled with the floor nozzle and accommodating a motor-driven fan having a motor shaft and a filter therein, a flexible power transmitting shaft for transmitting rotative power from the motor-driven fan to the rotatable brush along a power transmitting path between the motor shaft and the rotatable brush, and an intermediate power transmitting mechanism including a torque limiter mechanism disposed in the power transmitting path for cutting off power transmission from the motor shaft to the rotatable brush when the rotatable brush is subjected to a torque greater than a preset torque.

REFERENCES:
patent: 1485188 (1924-02-01), Hoff
patent: 4446595 (1984-05-01), Nakada

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