Electricity: motive power systems – Motor-reversing
Patent
1989-09-27
1990-09-18
Ro, Bentsu
Electricity: motive power systems
Motor-reversing
318 16, 318256, 318467, 318468, 160331, 49349, A47H 5032
Patent
active
049581120
ABSTRACT:
A mechanism which engages the pull-cord that opens and closes draperies, whereby the mechanism possesses a unique motor control for its automatic operation by a lamp timer (any of the commercially available clock actuated switches which are used in many households to automatically turn lamps ON and OFF at desired times). An alternate control system whereby the mechanism may be operated by a wireless remote control system in concert with the lamp timer. An adjustable means whereby the draperies may be opened and closed to any of two independently selectable positions within the means of the drapery rod. An easy to install mounting bracket with an easy to adjust tension means for driving engagement and hand-operation of the pull-cord.
REFERENCES:
patent: 3117767 (1964-01-01), McLean et al.
patent: 3153942 (1964-10-01), Staak
patent: 3269454 (1966-08-01), Gill et al.
patent: 3403474 (1968-10-01), Spasoff
patent: 3561520 (1971-02-01), Gill
patent: 3646985 (1972-03-01), Klann
patent: 4173721 (1979-11-01), Louis
patent: 4471275 (1984-09-01), Comeau
patent: 4610294 (1986-09-01), Anesi et al.
patent: 4819708 (1989-04-01), Onosato et al.
patent: 4856574 (1989-08-01), Minami et al.
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