Cleaning and liquid contact with solids – Processes – Including use of vacuum – suction – or inert atmosphere
Patent
1990-05-04
1991-09-03
Morris, Theodore
Cleaning and liquid contact with solids
Processes
Including use of vacuum, suction, or inert atmosphere
15345, 15349, 15363, B08B 504, A47L 514, A47L 904, A47L 906
Patent
active
050451189
ABSTRACT:
This is concerned with an improved sweeping head and sweeping machine for sweeping carpet in one pass with an articulated sweeping head having an improved sweeping action and a substantial power savings.
REFERENCES:
patent: 2701377 (1955-02-01), Luksch
patent: 2960714 (1960-11-01), Senne
patent: 3881215 (1975-07-01), Krier et al.
patent: 3979789 (1976-09-01), Peabody et al.
Battery-Power Vac, Appliance Manufacturer, July, 1989.
Tennant Bulletin 1480/480, Scrubbers, Copyright 1989.
Parts Book Sheet for PreSweep of Tennant, 1480/480.
Mason Richard A.
Weidner Archie A.
Chaudhry Saeed Tahir
Morris Theodore
Tennant Company
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