Manually operated coded switch

Details Manually operated coded switch Manually operated coded switch

1977-06-21

1978-09-05

Holko, Thomas J.

Locks

Operating mechanism

Combination

70313, 70315, 70333R, 200 43, H01H 2710

Patent

active

041110170

ABSTRACT:
The disclosure relates to a manually operated recodable coded switch in which a code may be inserted, tried and used to actuate a lever controlling an external device. After attempting a code, the switch's code wheels must be returned to their zero positions before another try is made.

REFERENCES:
patent: 1548311 (1925-08-01), Hazen
patent: 1873484 (1932-08-01), Rosine
patent: 2446732 (1948-08-01), Whittall
patent: 3410121 (1968-11-01), Morin
patent: 3832873 (1974-09-01), Barnette

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