Toothbrush assembly

Details Toothbrush assembly Toothbrush assembly

1996-10-01

1998-05-05

Bratlie, Steven A.

Coating implements with material supply

Including means to apply material-moving force

Piston-provided reservoir

401269, 401271, A46B 1102

Patent

active

057465320

ABSTRACT:
A toothbrush assembly comprising an elongated hollow handle defining a chamber for a cartridge filled with toothpaste, a brush head assembly detachably mounted at one end of the handle having a series of flexible valves, an actuator assembly mounted at the opposite open end of the handle including a piston engagable with a rear seal of the cartridge and actuatable axially in the cartridge to displace toothpaste through a channel in the brush head assembly and through the series of valves in the brush head which open to permit release of toothpaste and close automatically to a closed position when piston advance is stopped.

REFERENCES:
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patent: 1642620 (1927-09-01), Merrill
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patent: 2908925 (1959-10-01), Reitknecht
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patent: 2997078 (1961-08-01), Gainer
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patent: 4013370 (1977-03-01), Gingras
patent: 4135831 (1979-01-01), Reitknecht
patent: 4655627 (1987-04-01), Bradley
patent: 4957125 (1990-09-01), Yaneza

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