Dust collector

Details Dust collector Dust collector

1987-11-02

1989-04-04

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15344, 15409, A47L 514, A47L 516, A47L 524

Patent

active

048172308

ABSTRACT:
A dust collector having a selector valve which enables a cleaning pipe to be connected with either a suction circuit communicating with a dust collecting portion, or a discharge circuit communicating with the discharge opening of a fan. By carrying out the shifting operation of said selector valve, the dust collector can be changed to suck and collect dust, or to blow and gather dust without rearranging the cleaning pipe.

REFERENCES:
patent: 1078512 (1913-11-01), Mills
patent: 1723828 (1929-08-01), von Sandt
patent: 3808631 (1974-05-01), Shibata et al.
patent: 4290165 (1981-09-01), Hiramatsu et al.
patent: 4387852 (1983-06-01), Mattson et al.
patent: 4403371 (1983-09-01), Kiyooka
patent: 4554701 (1985-11-01), Van Raaij

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