Control device for cylinder locks

Details Control device for cylinder locks Control device for cylinder locks

1979-02-16

1981-10-13

Frazier, Roy D.

Locks

Operating mechanism

Using a powered device

70360, 70376, E05B 904, E05B 4700

Patent

active

042940915

ABSTRACT:
A control device for a magnetic cylindrical lock having a cylindrical housing and a cylindrical plug disposed for rotational and axial movements in the housing, comprises a longitudinal boring in the plug, magnetic rotary members arranged for rotation across the longitudinal boring, and arresting means for blocking the rotation of the plug in one axial position of the latter and for permitting the rotary movement in another axial position.

REFERENCES:
patent: 347445 (1886-08-01), Sherman
patent: 1135027 (1915-04-01), Kohlberger
patent: 1444429 (1923-02-01), Rogginger
patent: 1513718 (1924-10-01), Morehouse
patent: 1869426 (1932-08-01), Jacobi
patent: 1969012 (1934-08-01), Jacobi
patent: 2460615 (1949-02-01), Andrew
patent: 3654782 (1972-04-01), Heimann
patent: 3968668 (1976-07-01), Epstein
patent: 4228667 (1980-10-01), Herriott

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