Multiple circuit switch with rockable activator and linearly mov

Details Multiple circuit switch with rockable activator and linearly mov Multiple circuit switch with rockable activator and linearly mov

1989-04-12

1990-07-17

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Steering wheel, shaft or column mounted

200 17R, 200561, H01H 1900

Patent

active

049422731

ABSTRACT:
A switch apparatus comprises an arm which is rotated by a rotational force added to an operation knob and thus linearly drives a contact holder through an engagement portion so as to change over contacts points. The engagement portion is received in a groove formed in the contact holder and has surfaces which hold the center line in the radial direction of the arm, each surface having a circular arc form with a center substantially in the same place at a position equi-distance on either side of the center line so that the change in movement of the contact holder with the change in rotational angle of the arm is substantially constant.

REFERENCES:
patent: 3334201 (1967-08-01), Mutschler et al.
patent: 4149048 (1979-04-01), Winter et al.
patent: 4293743 (1981-10-01), Iwata et al.
patent: 4300026 (1981-11-01), Bull
patent: 4563551 (1986-01-01), Black, III et al.
patent: 4659880 (1987-04-01), Kondo et al.

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