Switching device

Details Switching device Switching device

1988-06-20

1989-05-16

Broome, H.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Contact-actuating means

335164, H01H 4502, H01H 320

Patent

active

048313491

ABSTRACT:
A switching device suitable for use on vehicles as a window regulator switch or a sunroof regulator switch. The switching device comprises a solenoid unit including a yoke, a core and a coil, a first card attached to the core so as to be pressed against a contact for supplying current to the coil of the solenoid unit and to an external load such as a motor, to keep the contact closed while the core is attracted to the yoke, a second card disposed for movement in parallel to the direction of movement of the first card, a pivotally supported operating knob having an operating arm connected to the second card, and a returning mechanism for biasing the operating knob toward the neutral position to return the operating knob to the neutral position when released. When the operating knob is turned to a manual operating position the contact is closed temporarily and is opened when the operating knob is released. When the operating knob is turned to an automatic operating position, the second card is locked at an operating position to keep the contact closed even if the operating knob is released. The operating knob is returned to the neutral position by a returning mechanism when released.

REFERENCES:
patent: 4393360 (1983-07-01), Arakawa et al.
patent: 4584546 (1986-04-01), Hattori et al.

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