Vacuum cleaner of interchangeable attachment type

Details Vacuum cleaner of interchangeable attachment type Vacuum cleaner of interchangeable attachment type

1985-04-11

1986-09-09

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15328, 15332, 15339, 15390, A47L 530

Patent

active

046100474

ABSTRACT:
An upright vacuum cleaner has a removable powered brush vacuum nozzle which can be removed and replaced without operation of a belt lifter. The power linkage from the cleaner's fan motor to the nozzle brush includes a positive-drive clutch, and control means active at the inception of each operation of the cleaner in the brush-and-vacuum mode to engage the clutch prior to starting the fan motor and active at the conclusion of operation of the cleaner in the brush-and-vacuum mode to disengage the clutch only after stopping the fan motor.

REFERENCES:
patent: 1667729 (1928-05-01), Fleming
patent: 1891175 (1932-12-01), Petersen
patent: 2175004 (1939-10-01), Snyder
patent: 2218035 (1940-10-01), Benson
patent: 2538464 (1951-01-01), MacFarland
patent: 2563541 (1951-08-01), MacFarland et al.
patent: 3608333 (1971-09-01), Selley et al.
patent: 3790987 (1974-02-01), MacFarland
patent: 4472856 (1984-09-01), Goodin

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