Construction for a cylinder lock and key

Details Construction for a cylinder lock and key Construction for a cylinder lock and key

1979-09-27

1982-07-27

Wolfe, Robert L.

Locks

Operating mechanism

Key

70421, E05B 2706

Patent

active

043411029

ABSTRACT:
The invention relates to an improved construction for a cylinder lock and key, more particularly to a cylinder lock which has a plurality of pin tumblers of different lengths and diameters arranged radially about the axis of a rotatable cylinder, a pin tumbler longitudinally provided at the rear end of a stationary cylinder, a ball being further provided between said rotatable cylinder and stationary cylinder, and a matching key which comprises a tubular shank having thereon a plurality of depressions corresponding to said radially arranged pin tumblers.

REFERENCES:
patent: 913942 (1909-03-01), Bodge
patent: 3348392 (1967-10-01), Schreiber
patent: 3507133 (1970-04-01), Bassecher
patent: 3656328 (1972-04-01), Hughes
patent: 4012931 (1977-03-01), Harunari

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