Key removable core body

Details Key removable core body Key removable core body

1989-05-09

1990-09-04

Smith, Gary L.

Locks

Operating mechanism

Key

70493, E05B 2700

Patent

active

049533738

ABSTRACT:
The cross-section of the core body defines a peripheral profile. The core body includes a plug housing and a tumbler pin housing, and at least two separately controllable control elements are mounted in the plug housings. Each of the control elements includes a retainer lug and the retainer lugs are movable between a retracted position, when they are substantially completely within the profile, and an extended position, when they project laterally of the core body outside of the profile.

REFERENCES:
patent: 1384022 (1921-07-01), Best
patent: 2370862 (1945-03-01), Johnstone
patent: 2814941 (1957-12-01), Best
patent: 3713310 (1973-01-01), Surko, Jr.
patent: 4282731 (1981-08-01), Taksony
patent: 4328690 (1982-05-01), Oliver
patent: 4386510 (1983-06-01), Best et al.
patent: 4444034 (1984-04-01), Best et al.

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