Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1988-12-15
1990-12-25
Stinson, Frankie L.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
153403, 15 83, 15 792, A47L 514
Patent
active
049792601
ABSTRACT:
A hand-guided sweeper employing a rotary brush to propel debris into a detachable hopper, a blower to facilitate pickup of dust and a filter to remove dust prior to passing through the blower includes guides on the frame of the sweeper adapted to cooperate with projections on the sides of the hopper, permitting the hopper to be inserted and removed from the front of the sweeper without notable lifting and interference to the blower and filter.
REFERENCES:
patent: 2701377 (1955-02-01), Luissch et al.
patent: 2782435 (1957-02-01), Stone
patent: 2784440 (1957-03-01), Newport
patent: 2834034 (1958-05-01), Angell
patent: 2910720 (1959-11-01), Smith
patent: 4173052 (1969-11-01), Burgoon et al.
patent: 4716621 (1988-01-01), Zoni
Bahnemann Joachim
Holsten Heinz
Hako-Werke GmbH
Stinson Frankie L.
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