Apparatus for electromagnetic locking on a lock cylinder for a m

Details Apparatus for electromagnetic locking on a lock cylinder for a m Apparatus for electromagnetic locking on a lock cylinder for a m

1986-10-21

1988-03-15

Wolfe, Robert L.

Locks

Operating mechanism

Using a powered device

70380, 70372, E05B 4700

Patent

active

047304715

ABSTRACT:
The electromagnetic locking apparatus functions on a lock cylinder with a rotor, to whose end is fitted in rotation-restrained manner a driver and a stator surrounding the rotor. It is positioned with respect to the lock cylinder and a control part engageable with the apparatus. The apparatus is characterized in that the locking means (20, 28) have an electromagnet part (20) with a two-part tie rod (401/402) with a return spring (45) acting on one tie rod part and a probe (28) connected to the other tie rod part (402).

REFERENCES:
patent: 2475220 (1949-07-01), Chaulk et al.
patent: 3599454 (1971-08-01), Hill et al.
patent: 3748878 (1973-07-01), Balzano et al.
patent: 3939679 (1976-02-01), Barker et al.
patent: 4326125 (1982-04-01), Flies
patent: 4393672 (1983-07-01), Gelhard
patent: 4603564 (1986-08-01), Kleinhany et al.
patent: 4658105 (1987-04-01), Seckinger

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