Convertible normally closed/normally open switch with cam actuat

Details Convertible normally closed/normally open switch with cam actuat Convertible normally closed/normally open switch with cam actuat

1984-08-27

1985-09-10

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

200 16A, 200153LA, 200280, H01H 900, H01H 1500

Patent

active

045408599

ABSTRACT:
Disclosed is an electric switching device of the type having a contact system including two stationary contact bars and movable contact bridges for interconnecting the bars. To convert the switching device from a circuit maker to a circuit breaker, or vice versa, there is provided a control member in the form of a shiftable slide having insulating projections which in one end position of the slide are displaced between one bridge and a contact bar while the other projection is out of the range of movement of the bridges, and in the other end position the other insulating projection interrupts the contact between the other bridge and the assigned contact bar. In a modification, the converting member is in the form of a swingable arm cooperating with a slidably supported cam track which is turnable by 180.degree..

REFERENCES:
patent: 2874252 (1959-02-01), Wenzel et al.
patent: 2991343 (1961-07-01), Norden
patent: 3192329 (1965-06-01), Murrle' 200 6 B

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