Title: Water-powered toothbrush with dentifrice attachment

Abstract: A tooth-brushing device comprising a brushing unit provided with rotating brushes, and a dentifrice-carrying cartridge unit. The cartridge unit is attachable to a water faucet and supports an impeller operated by water pressure to rotate the brushes. The cartridge unit also has a passage for conducting water from the faucet to the rotating brushes. The cartridge unit supports a disposable dentifrice tube which is squeezed by the pressure of water from the faucet to force dentifrice from the tube to the brushes.

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Inventors: O'Rourke, James L. (Detroit, MI, US)

Application Number: 898645
Filing Date: 1978-04-21
Publication_date: 1980-01-08
Assignee:
Primary Class(es): 15/24 401/156, 401/278
Other Classes:
US Patent Ref:

172067	Jan, 1876	Alexander	15/24.
1060524	Apr, 1913	Wolfe	401/271.
1108475	Aug, 1914	Roland	15/24.
1471748	Oct, 1923	Miller	15/24.
2285865	Jun, 1942	Lowe et al.	15/24.
2652949	Sep, 1953	Martin	401/152.
2682675	Jul, 1954	Prucha	15/29.
2717403	Sep, 1955	Batlas et al.	15/29.
2790190	Apr, 1957	Mastrandrea	401/188.
2841806	Jul, 1958	Blasi	15/24.
2855619	Oct, 1958	Graham	401/188.
3056151	Oct, 1962	Vlacancich	15/29.
3864047	Feb, 1975	Sherrod	401/278.

Other Refs: 1031993

Mar, 1953	FR

Primary Examiner: Roberts, Edward L.
Assistant Examiner:
Attorney: Whittemore, Hulbert & Belknap