Plug for a key operated lock

Details Plug for a key operated lock Plug for a key operated lock

1978-10-23

1980-11-04

Wolfe, Robert L.

Locks

Operating mechanism

Key

70385, 70364A, E05B 1506

Patent

active

042312426

ABSTRACT:
A plug for a key operated lock is provided with a plurality of bores transverse to the key slot formed through the plug. The bores accept studs which extend into the key slot to delimit the design of key blanks from which keys, fitting the lock, can be constructed. The selection of bores to contain studs permits rapid change of key blank designs for the lock.

REFERENCES:
patent: 437939 (1890-10-01), Sargent
patent: 446176 (1891-02-01), Shaw
patent: 471453 (1892-03-01), Wohlmuth
patent: 1462869 (1923-07-01), Primak

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