Inhibitor switch having magnetic contact portion

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

1999-08-30

2000-11-07

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Permanent magnet-actuated switches

Plural magnets

200 11R, H01H 900

Patent

active

061442739

ABSTRACT:
An inhibitor switch is provided with a movable base 1 having permanent magnets 4, which is adapted to be rotatable in accordance with the transmission operating position of an automatic transmission device. The inhibitor switch also has magnetic sensors 9 for detecting the magnetic flux from the permanent magnets 4, a pole base 3, and a cover body 2 for rotatably supporting the movable base 1 in cooperation with the pole base 3. The pole base 3 has an approximate arc shape with a radius of curvature centered about the center of a shaft hole 3a. A base surface 3d is provided for forming a space for receiving a substrate 6 connected to the connecting sections 7a, on which the magnetic sensors 9 and electronic elements 10 are installed. The connecting sections 7a are used to electrically connect a conductive body 7 to the substrate 6. The shaft hole 3a is coupled with a cylindrical shaft section 1a of the movable base 1 at an end of the base surface 3d. This construction provides an inhibitor switch having permanent magnets with high operating precision and low manufacturing cost.

REFERENCES:
patent: 5440087 (1995-08-01), Cobb, III
patent: 5525768 (1996-06-01), Cobb, III et al.
patent: 5811747 (1998-09-01), Taniquchi et al.
patent: 5867092 (1999-02-01), Vogt
patent: 5969313 (1999-10-01), Ikeshima et al.

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