Padlock

Details Padlock Padlock

1991-01-04

1991-12-10

Lindsey, Rodney M.

Locks

Portable

Padlocks

70 43, 70 54, 70455, E05B 6722

Patent

active

050707132

ABSTRACT:
A padlock has a case, a locking mechanism, a shackle and a key. The locking mechanism, which is housed in the case, has a shield chip, five plate tumblers, a locking plate, a plate spring and two plates sandwiching them. To prevent the padlock from being pried open by an illegal tool, a shield chip prevents one of the plate tumblers from being moved up.

REFERENCES:
patent: 430815 (1890-06-01), Thomas
patent: 860333 (1907-07-01), Ryan
patent: 1594218 (1926-07-01), Soley

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