Electricity: motive power systems – Motor-reversing – Periodic- or intermittent-reversing
Patent
1982-04-16
1984-05-22
Dobeck, B.
Electricity: motive power systems
Motor-reversing
Periodic- or intermittent-reversing
318468, 318286, 180289, B60R 2504
Patent
active
044503903
ABSTRACT:
A circuit arrangement for a reversible electric motor supplied from a voltage source, which motor drives a combined window-lifter and door-locking installation in motor vehicles. The motor is switched on by way of a first operating switch developed as a reversing switch and by way of a second operating switch serving as a central switch. A position switch is assigned to the motor and is developed as a two-way switch which is operated by the motor. When the window is completely closed, the position switch may be changed over from a first switching position into a second switching position and after an unlocking operation, or before the window is opened, the position switch may again be changed over from the second switching position into the first one. During a locking operation the second input of the position switch is applied to a pole of the voltage source other than the pole used during the other adjusting operations.
REFERENCES:
patent: 3339665 (1967-09-01), Johnstone et al.
patent: 3735833 (1973-05-01), Sutkowski
patent: 4240516 (1980-12-01), Henderson et al.
Andrei-Alexandru Marcel
Prohaska Hans
Dobeck B.
Evans Arthur G.
IT&T Industries, Inc.
Michals William J.
Raden James B.
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