Lock key, method for its manufacture and lock employing this key

Details Lock key, method for its manufacture and lock employing this key Lock key, method for its manufacture and lock employing this key

1977-03-24

1978-07-11

Wolfe, Robert L.

Locks

Operating mechanism

Key

70408, E05B 1904

Patent

active

040993981

ABSTRACT:
A key of which the longitudinally extending grooves which code the key for insertion into the key receiving passage of a lock, extend both through the stem of the key which is inserted into the passage, and through the manipulating head part of the key so that the key blank can be produced by a stamping or pressing operation. There is also described a method of making the key.

REFERENCES:
patent: 2690070 (1954-09-01), Spain
patent: 3478549 (1969-11-01), Schlage
patent: 3754422 (1973-08-01), Stackhouse

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