Hybrid plug lock

Details Hybrid plug lock Hybrid plug lock

1995-06-07

1997-05-20

Meyers, Steven N.

Locks

Operating mechanism

Key

70DIG23, 70DIG42, E05B 1704

Patent

active

056303327

ABSTRACT:
A lock, particularly well suited for installation in the T-handle of a vending machine or the like, which acts as a spring latch during opening and as a deadbolt in the locked position. The lock has a cylinder with a rotatable plug supporting a drive pin, the drive pin being parallel to and offset from the axis of plug rotation. The drive pin engages a ramped guide groove in a spring biased bolt, the guide groove being configured to return the drive pin to a position where it is in registration with, but displaced from, its starting position after a complete rotation of the plug.

REFERENCES:
patent: 1724025 (1929-08-01), Jacobi
patent: 2275362 (1942-03-01), Golden et al.
patent: 3299678 (1967-01-01), Spencer
patent: 3438227 (1969-04-01), Wolniak
patent: 4715201 (1987-12-01), Craig
patent: 5212972 (1993-05-01), Kincaid et al.

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