Pin tumbler lock

Details Pin tumbler lock Pin tumbler lock

1974-04-03

1976-03-16

Wolfe, Robert L.

Locks

Operating mechanism

Key

70364A, 70372, 70375, E05B 6300

Patent

active

039437396

ABSTRACT:
A pin tumbler lock comprising a plug with top and bottom pins operable by a key, said plug being surrounded by an enclosure which may be alternatively a rotary sleeve for grand mastering or the cylinder of a lock. The sleeve or cylinder as the case may be is provided with a longitudinal recess in which is mounted alternatively one or more rotationally movable baffle inserts or slide pieces for each tumbler. These inserts are apertured for receiving the pins. Where the sleeve is present there is a recess at the internal surface thereof receiving the inserts and there is also a similar recess in the cylinder receiving inserts on the interior surface of the cylinder. These inserts may be circumferentially slidable or rotational.

REFERENCES:
patent: 621875 (1899-03-01), Voight
patent: 2049548 (1936-08-01), Swanson

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