Electricity: motive power systems – Automatic and/or with time-delay means – Movement – position – or limit-of-travel
Patent
1996-08-27
1999-03-30
Masih, Karen
Electricity: motive power systems
Automatic and/or with time-delay means
Movement, position, or limit-of-travel
318480, 318282, 318286, 318 16, 318256, 318445, 307141, G05B 500
Patent
active
058893776
ABSTRACT:
A drapery actuator to open and close draperies and the like, comprising a housing and a drive pulley supported by the housing to engage a drapery cord. A motor is supported by the housing for reversibility rotating the drive pulley to move the drapery cord between a first extreme position and a second extreme position. A first electrical switch is operatively connected to the motor and a second electrical switch is also operatively connected to the motor. Switch actuator cooperate with the drive pulley such that the first electrical switch is actuated when said drive pulley moves the drapery cord to the first extreme position and the second electrical switch is actuated when the drive pulley is reversibly rotated by the motor to move the drapery cord to the second extreme position whereby when the drapery cord is in the first extreme position and the second extreme position the motor is deactivated and the drapery cord ceases moving.
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Horne D. Doak
Masih Karen
LandOfFree
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