Multipole electric switch

Details Multipole electric switch Multipole electric switch

1998-02-25

2000-06-06

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200 16A, 200 18, 200243, 200307, 200572, H01H 332

Patent

active

060721286

ABSTRACT:
Rotary-controlled multipole electric switch fitted with a handle (4) and a housing (1) in which a cam device transforms the rotation of the handle into a translational movement of contact bridges (21). In order to ensure coordination between a cylindrical control core (13) and a slider 16 bearing contact bridges, the cam device is fitted with at least two notches (19, 20) offset around the axis of rotation X of the knob (4c), and with a control projection (14) applied respectively to the bottom of one notch in the OFF position and to the bottom of the other notch in the ON position by the force supplied by springs (24) acting on the slider and contact pressure springs (22).

REFERENCES:
patent: 2498614 (1950-02-01), Tregoning
patent: 2532305 (1950-12-01), Heller
patent: 2918554 (1959-12-01), Brauneck
patent: 2947827 (1960-08-01), Bundy et al.
patent: 3226516 (1965-12-01), Kussy et al.
patent: 3517570 (1970-06-01), Kolb
patent: 3919506 (1975-11-01), Kellogg
patent: 4335288 (1982-06-01), Ludwig et al.
patent: 4713498 (1987-12-01), Ludwig et al.
patent: 5299957 (1994-04-01), Schaeffer

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