Inhibitor switch having magnetic contact portion

Details Inhibitor switch having magnetic contact portion Inhibitor switch having magnetic contact portion

1999-08-30

2000-10-31

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Permanent magnet-actuated switches

Plural magnets

200 11R, H01H 900

Patent

active

061408980

ABSTRACT:
An inhibitor switch is constructed such that a movable base 1 adapted to be rotatable in accordance with the transmission operating position of an automatic transmission device is supported rotatably by a cover body 2 and a pole base 3 having magnetic sensors 9. The movable base 1 is integrally formed with a yoke 5 through an injection molding method. The yoke 5 has folded sections 5c exposed to the upper surface of the movable base 1 and bottom pieces 5b for receiving the permanent magnets 4. Moreover, the yoke 5 is composed of a plurality of bottom pieces 5b connected with each other, and the folded sections 5c formed at each end of the bottom pieces 5c. With this construction, an inhibitor switch is provided with a low manufacturing cost.

REFERENCES:
patent: 5023414 (1991-06-01), Mihara et al.
patent: 5440087 (1995-08-01), Cobb, III
patent: 5693925 (1997-12-01), Yamada et al.
patent: 5811747 (1998-09-01), Taniguchi et al.
patent: 5949041 (1999-09-01), Sakairi et al.
patent: 5977496 (1999-11-01), Halberg et al.

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