Automatic soap dispensing device

Details Automatic soap dispensing device Automatic soap dispensing device

1997-05-05

2000-03-14

Kaufman, Joseph A.

Dispensing

Automatic control

Motor control

222105, 2221813, 222207, 222325, 222333, B67D 506

Patent

active

060360569

ABSTRACT:
An automatic soap dispensing device, particularly a device which can be activated by photoelectric or infrared sensor via a control circuit, i.e., a motor reducing gear set in a drive device driving a drive wheel with a considerable torque at low speed so that an eccentric wheel on the drive wheel can push a squeezer set which in turn squeeze a soap hose to dispense liquid soap accordingly; and a micro switch is touched when the drive wheel is rotated to a certain angle to stop the motor, upon which the squeezer set returns its initial position by the inherent elasticity of the hose without any need to engage any gear with the reducing gear set and possibility of seizure between gears which may adversely affect operation of the soap dispensing device.

REFERENCES:
patent: 5105992 (1992-04-01), Fender et al.
patent: 5249718 (1993-10-01), Muderlak
patent: 5344047 (1994-09-01), Chen
patent: 5492247 (1996-02-01), Shu et al.

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