Dispensing – Automatic control – Motor control
Patent
1989-11-21
1991-02-05
Huppert, Michael S.
Dispensing
Automatic control
Motor control
222642, 4623, 4624, 141351, 141360, B67D 508
Patent
active
049897551
ABSTRACT:
An automatic cleaning-fluid dispensing device includes: a containing structure for containing cleaning fluid; a sensing device disposed on a base member being installed in the lower portion of said containing structure wherein said base member is provided with an outlet, a sensing circuit disposed on a circuit board, a motor arrangement electrically connected to the sensing circuit, an outlet for passing a light source of the sensing circuit therefrom so as to detect the presence of an external object closing on the light source; and a dispensing mechanism, which is composed of a push structure functionally connected with the driving motor and a pumping structure operatively engaged with the push structure, installed on the base member in connection with the sensing device; whereby when an external object closes to the sensing device, a given amount of the contained cleaning fluid in the containing structure will be automatically supplied for cleaning purposes.
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patent: 3739944 (1973-04-01), Rogerson
patent: 4446988 (1984-05-01), Chronis
patent: 4606085 (1986-08-01), Davies
patent: 4645094 (1987-02-01), Acklin et al.
patent: 4722372 (1988-02-01), Hoffman et al.
patent: 4735357 (1988-04-01), Gregory et al.
DeRosa Kenneth
Huppert Michael S.
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