Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1995-11-28
1998-11-24
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15 931, 15380, 15401, A47L 530
Patent
active
058391541
ABSTRACT:
A device for removing an adhered foreign substance, such as chewing gum, from surfaces employs a reciprocating scraper that separates the substance from the surface to be cleaned. A liquid, such as cleaning solution or solvent, is optionally discharged in the vicinity of the end of the scraper to augment the separation. A vacuum device draws air and loosened matter into an opening in the nozzle and traps it in a container. Optionally, the vacuum device is attached to a nozzle movable away from and toward the scraper by pushing a handle. When the nozzle moves toward the scraper, it activates the vacuum device.
REFERENCES:
patent: 2232367 (1941-02-01), Cherry
patent: 2481760 (1949-09-01), Leher
patent: 3733637 (1973-05-01), Becker
patent: 4559661 (1985-12-01), Tsals et al.
patent: 4821357 (1989-04-01), Millette
patent: 4947515 (1990-08-01), Ivarsson
patent: 5287582 (1994-02-01), Kawai et al.
patent: 5341541 (1994-08-01), Sham
Kawai Yuzo
Naramura Katsutoshi
Takahashi Yoshihide
Moore Chris K.
Suiden Co., Ltd.
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