Electricity: circuit makers and breakers – High-potential type – Rotating and pivoted
Patent
1975-02-27
1976-03-09
Hohauser, Herman T.
Electricity: circuit makers and breakers
High-potential type
Rotating and pivoted
70337, E05B 3508
Patent
active
039433099
ABSTRACT:
A locking mechanism of the cylinder type for a business machine wherein four different keys can be accommodated in a single lock to perform various functions or modes of operation. The mechanism includes ring members and locking pins operably associated with the cylinder and with the lock body either to permit or to restrict rotational movement thereof with respect to the ring members. Rotation of a key in the cylinder to a predetermined limit sets up a switching arrangement to provide a signal for each mode of operation desired to be accomplished.
REFERENCES:
patent: 2667785 (1954-02-01), Opocensky
Kawamoto Takao
Mizuno Nobuyoshi
Ota Akira
Cavender J. T.
Hawk Jr. Wilbert
Hohauser Herman T.
Muckenthaler George J.
NCR Corporation
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