Flat key

Details Flat key Flat key

1975-02-03

1976-04-20

Wolfe, Robert L.

Locks

Operating mechanism

Key

70408, E05B 1904

Patent

active

039509737

ABSTRACT:
A flat key comprises a blank cut on a copying machine to form a shank, having a shank head. An intermediate head is formed with a slot, in which the shank head is received. A key head is detachably connected with the intermediate head, with wedge action between these latter heads.

REFERENCES:
patent: 2197673 (1940-04-01), Albertz
patent: 3349589 (1967-10-01), Fricke
patent: 3729965 (1973-05-01), Gartner

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