Electricity: circuit makers and breakers – Solid contact – Rocking actuator
Patent
1997-03-31
1998-04-07
Walczak, David J.
Electricity: circuit makers and breakers
Solid contact
Rocking actuator
200556, 200558, 200559, H01H 2100
Patent
active
057353921
ABSTRACT:
A switching device which can be changed into a lock type switching device, or a non-lock type switching device with the least number of replacement components is disclosed. The switching device includes: first and second fixed contacts mounted in parallel on the bottom of a base; first and second contact pieces which are pivotally arranged on the first and second fixed contacts, and which can be in contact with the first and second fixed contacts, respectively; a lever pivotally supported by the base; two driving rods which are elastically held in the lever in a removable manner, and whose tips slide on the first and second movable contact pieces, respectively, while being in contact therewith; and a locking member which is replaceable with the first movable contact piece (or the second movable contact piece 21), and having a convex cam surface formed on the upper surface thereof with which one of the driving rods slidably comes into contact.
REFERENCES:
patent: 5446253 (1995-08-01), Oshgan
patent: 5468926 (1995-11-01), Sato
patent: 5647479 (1997-07-01), Gernhardt et al.
patent: 5669487 (1997-09-01), Sakata
Alps Electric Co. ,Ltd.
Shoup Guy W.
Walczak David J.
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