Hopper and filter chamber for direct forward throw sweeper

Details Hopper and filter chamber for direct forward throw sweeper Hopper and filter chamber for direct forward throw sweeper

1992-07-08

1994-04-19

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15334, 15347, 15349, E01H 108

Patent

active

053034481

ABSTRACT:
In a direct forward throw sweeper, improvements related to a door for closing the opening into the hopper permit backing away from a debris receptacle with the hopper door open after dumping a load of debris without damage to the machine. An attachment part is provided for connecting a vacuum pickup wand to the debris hopper. Associated improvements to a related air filter chamber provide improved dust control while dumping the hopper and convenient access for servicing a dust accumulation space in the bottom of the filter chamber.

REFERENCES:
patent: 2375331 (1945-05-01), Taylor
patent: 3186021 (1965-06-01), Krier et al.
patent: 3304572 (1967-02-01), Wendel
patent: 3639940 (1972-02-01), Carlson et al.
patent: 3881215 (1975-05-01), Krier et al.
patent: 4457043 (1984-07-01), Oeberg et al.
patent: 4459719 (1984-07-01), Notestine
patent: 4557739 (1985-12-01), Fortman et al.
patent: 4819676 (1989-04-01), Blehert et al.
patent: 4979260 (1990-12-01), Holsten et al.

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