Scraper adaptor for rotary buffer

Details Scraper adaptor for rotary buffer Scraper adaptor for rotary buffer

1988-02-23

1989-04-18

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Scraping

15 22R, 30272A, 51170MT, 299 37, A47L 1112

Patent

active

048213578

ABSTRACT:
A removable adaptor for a power-operated rotary implement, comprises a circularly vibrating lower plate. When a blade is attached to this plate, an efficient scraper is provided for removal of adhered materials, such as old under-carpets. Past scrapers relying on longitudinal reciprocal motion have suffered from underpowering and jamming. These problems are avoided by the present invention.

REFERENCES:
patent: 2193418 (1940-03-01), George
patent: 2465192 (1949-03-01), Booth
patent: 2526976 (1950-10-01), Smith
patent: 2715804 (1955-08-01), Wickes
patent: 2722789 (1955-11-01), Robins
patent: 2736351 (1956-02-01), Baker
patent: 3052950 (1962-09-01), Civitelli
patent: 3399441 (1968-09-01), Imamura
patent: 4182000 (1980-01-01), Fairbairn
patent: 4286383 (1981-09-01), Farden
patent: 4686797 (1987-08-01), Hoffman

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