Adjusting element for the unlocking, locking and break-in securi

Details Adjusting element for the unlocking, locking and break-in securi Adjusting element for the unlocking, locking and break-in securi

1989-02-10

1991-02-19

Gall, Lloyd A.

Locks

Systems

Operation and control

292201, 2923363, E05B 6538

Patent

active

049932497

ABSTRACT:
A mechanical unlocking arrangement is integrated in an adjusting element for the unlocking and locking of a door- or lid-lock which in addition to a main adjusting drive includes a further power-actuated security-adjusting drive for blocking the adjusting member of the main adjusting drive in the position keeping the lock locked by means of a locking member; the mechanical unlocking arrangement thereby enables a release of the blocked adjusting member without power-assist.

REFERENCES:
patent: 4269440 (1981-05-01), Gelhard
patent: 4779912 (1988-10-01), Ikeda et al.
patent: 4802350 (1989-02-01), Periou

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