Reversible hanging plant support

Details Reversible hanging plant support Reversible hanging plant support

2006-01-17

2008-08-05

Palo, Francis T (Department: 3644)

Plant husbandry

Receptacle for growing medium

Hanging support

Reexamination Certificate

active

07406799

ABSTRACT:
A system for supporting a household plant includes an electric circuit for selectively moving the plant having a battery and a direct current motor for moving the plant. The motor control is by a first controllable switching device to connect the battery to the motor with a first polarity to cause the plant to move in a first direction, or a second controllable switching device to connect the battery to the motor with a second polarity opposite the first polarity to cause the plant to move in a second direction. A controller selectively enables either the first or second switching devices while leaving the other disabled and in conjunction with a light sensing device and analog comparison circuit precludes actuation of either switching device if inadequate growth promoting light is sensed.

REFERENCES:
patent: 1468247 (1923-09-01), Patten
patent: 3604536 (1971-09-01), Dinnerstein
patent: 4216619 (1980-08-01), Espy
patent: 4446653 (1984-05-01), Morgan
patent: 4574521 (1986-03-01), Landy
patent: 5315784 (1994-05-01), Henehan
patent: 5546698 (1996-08-01), Rock
patent: 5896699 (1999-04-01), Livingston et al.
patent: 6230440 (2001-05-01), Deutsch
patent: 7020999 (2006-04-01), Stouffer et al.

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