Pick-resistant core

Details Pick-resistant core Pick-resistant core

1985-05-20

1987-04-07

Holko, Thomas J.

Locks

Operating mechanism

Key

70364A, 70378, E05B 1514

Patent

active

046550631

ABSTRACT:
A lock according to the present invention includes an interchangeable core including a core body, a core sleeve, and a key plug having a key slot. A sloping shoulder is provided on at least one of the tumbler pin passageways in the key plug to define an enlarged opening on the exterior surface of the key plug that is non-concentric with said passageway. A sloping shoulder can also be provided on at least one of the tumbler pin passageways in the core sleeve to define an enlarged opening on the exterior surface of the core sleeve that is non-concentric with said passageway.

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