Handle lock device for a switch

Details Handle lock device for a switch Handle lock device for a switch

1980-01-03

1982-08-31

Frazier, Roy D.

Electricity: circuit makers and breakers

Plural switches control single circuit

70203, 70DIG30, E05B 6500, H01H 920, H02H 1100

Patent

active

043474128

ABSTRACT:
A handle lock device for a switch, to be mounted to a switch manipulation handle protruded through a handle manipulation opening of a case in which a switching mechanism of the toggle-type is contained, is a lock cover which has a portion elongated so as to be introduced into the handle manipulation opening, whereby the lock cover prevents sufficient handle swing to effect the switching, since one of the side surfaces of the elongated portion is adapted to abut one of the end surfaces of the handle manipulation opening before the toggle-link goes over its dead center. The handle lock device makes it possible that a single lock cover can be used to lock handles of switches having different angles in the "on" and "off" states, and also that the handle may be easily and simply locked by a locking means having a simple constitution.

REFERENCES:
patent: 2192060 (1940-02-01), Wise
patent: 2663768 (1953-12-01), Sorensen
patent: 2813938 (1957-11-01), Speizman
patent: 3197581 (1965-07-01), Clifford
patent: 3327075 (1967-06-01), Phillipson
patent: 3416123 (1968-12-01), Husebo
patent: 3422389 (1969-01-01), Husebo

Affiliated with

Also associated with

Rating

Handle lock device for a switch does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Handle lock device for a switch, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Handle lock device for a switch will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2185590