Surface sweeper with floating broom chamber

Details Surface sweeper with floating broom chamber Surface sweeper with floating broom chamber

1978-10-05

1980-05-06

Moore, Christopher K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15 83, 15340, 15359, A47L 530

Patent

active

042009537

ABSTRACT:
A maneuverable surface sweeper has a framework supporting a hopper configured to receive dust and debris swept from an underlying surface. A broom chamber is mounted within the framework overlying the surface to be swept and in communication with the hopper. The broom chamber may move vertically relative to the framework. A rotary driven broom is mounted in the broom chamber and has limited vertical movement capability relative to the chamber. A resilient tubular seal is disposed between the broom chamber and the hopper so that dust control is obtained therebetween while the broom chamber undergoes vertical movement. A bump encountered on the underlying surface elevates the broom chamber permitting the sweeper to pass thereover while allowing the broom to descend and continue in sweeping contact with the surface.

REFERENCES:
patent: 982570 (1911-01-01), Brooks
patent: 1286481 (1918-12-01), Woodin
patent: 1904881 (1933-04-01), Presbrey
patent: 2156065 (1939-08-01), Royer
patent: 2448328 (1948-08-01), Russell
patent: 3006021 (1961-10-01), Patch
patent: 3112593 (1963-12-01), Ronning
patent: 3189931 (1965-06-01), Peabody
patent: 3584325 (1971-06-01), Larsen et al.
patent: 4007026 (1977-02-01), Groh
patent: 4041567 (1977-08-01), Burgoon

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