Brush with self-sealing reservoir having a convertible actuator

Details Brush with self-sealing reservoir having a convertible actuator Brush with self-sealing reservoir having a convertible actuator

1985-05-17

1987-04-07

Bratlie, Steven A.

Coating implements with material supply

Including means to apply material-moving force

Piston-provided reservoir

401172, 401175, 401 64, 401151, 401278, 401286, A46B 1102

Patent

active

046556273

ABSTRACT:
A brush arrangement, specifically a toothbrush, is provided with a reservoir of cleaning material in its handle. The handle is hollow and provided with an actuatable plunger arrangement which pressurizes the cleaning material so as to force it through a channel and to the brush head. The pressurized cleaning material opens a pressure valve arrangement which exposes a dispensing port through which the cleaning material is dispensed in the vicinity of a plurality of bristles. The dispensing port is opened by the application of a force from the pressurized cleaning material which exceeds a counterforce applied by a resilient device, such as a spring. When the pressure in the reservoir is relieved, such as by reversing the direction of travel of the plunger, the counterforce applied by the spring is sufficient to ensure that the pressure valve closes the dispensing port. In certain embodiments, the brush arrangement is provided with a replaceable brush head. Also, cleaning material can be supplied to the brush arrangement by inserting refill cartridges which can be made disposable.

REFERENCES:
patent: 1002673 (1911-09-01), Goodwin et al.
patent: 1451941 (1923-04-01), Clum
patent: 2323378 (1943-07-01), Champion et al.

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