Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1990-06-08
1992-05-26
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15 26, 15143R, 15145, 16110R, 16114R, 81489, 2063622, A46B 1308
Patent
active
051155303
ABSTRACT:
An axis rotary toothbrush is provided and consists of an elongated shaft having a distal portion rotatably positioned within a handle so that a proximal portion of the shaft will extend outwardly therefrom. A bristle head is formed about the free end of the proximal portion of the shaft while a ferrule is affixed onto the proximal portion of the shaft adjacent the handle. The index finger and thumb of a hand gripping the handle can manually rotate the ferrule to turn the shaft and the bristle head in a clockwise and counterclockwise direction about the axis of the shaft in order for the bristle head to brush the teeth.
REFERENCES:
patent: 1197419 (1916-09-01), Wilming et al.
patent: 1425435 (1922-08-01), Allen
patent: 2059330 (1936-11-01), Flournoy
patent: 2228786 (1941-01-01), Stoner
patent: 2874836 (1959-02-01), Wertepny, Jr.
patent: 4841638 (1989-06-01), Bardeen et al.
Kroll Michael I.
Roberts Edward L.
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