Switch lock

Details Switch lock Switch lock

1981-04-24

1983-07-19

Shepperd, John W.

Electricity: circuit makers and breakers

High-potential type

Rotating and pivoted

200293, H01H 928

Patent

active

043945511

ABSTRACT:
An electrical switch operating subassembly for a mechanical key-actuated lock which may be readily and easily incorporated into commonly utilized lock sizes and which may be likewise disassembled for rekeying and changing of switch contact elements, the essential components of which are two contact effecting interfitting members that are removably insertable in the lock cylinder and which coact with one another to make and break an electrical circuit upon rotation of the lock operating spindle with a proper key and also provide the rotational limits of the lock for switch-on and switch-off positions.

REFERENCES:
patent: 1462684 (1923-07-01), Clum
patent: 1748013 (1930-02-01), Douglas
patent: 2663780 (1953-12-01), Hept et al.
patent: 2778891 (1957-01-01), Jacobi
patent: 3917919 (1975-11-01), Tahara
patent: 3975604 (1976-08-01), Appleton
patent: 4147905 (1979-04-01), Scherbing
patent: 4227056 (1980-10-01), Johnston et al.
patent: 4258237 (1981-03-01), Beck

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-752888