Rotary cylinder lock, especially for automotive vehicles

Details Rotary cylinder lock, especially for automotive vehicles Rotary cylinder lock, especially for automotive vehicles

1979-05-21

1981-07-28

Wolfe, Robert L.

Locks

Operating mechanism

Key

70364R, 70364A, 70337, 70441, 70DIG49, E05B 3100

Patent

active

042803497

ABSTRACT:
A rotary cylinder lock with a lock cylinder rotatable in a casing, preferably a door handle housing of a motor vehicle, with the lock cylinder being pivotable into closed and open positions by at least one key associated therewith and insertable in the lock cylinder. The rotary cylinder lock is constructed such that a second key can be inserted into the lock cylinder with the second key having, at a location other than in cases of the main key, notches or projections or the like controlling additional locking members. The second key actuates, by pivoting, a switching unit which, if necessary, triggers a safety device so as to prevent unauthorized use of the motor vehicle.

REFERENCES:
patent: 4114412 (1978-09-01), Braatx
patent: 4148202 (1979-04-01), Wegrzyn
patent: 4186578 (1980-02-01), Sommer

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