Child proof door locking device

Details Child proof door locking device Child proof door locking device

1982-08-31

1984-12-11

Smith, Gary L.

Closure fasteners

Operators with knobs or handles

292216, 292DIG27, 292DIG65, E05B 300

Patent

active

044874413

ABSTRACT:
A child proof door locking device for use with an automotive door is disclosed, which comprises a base plate securely attached to the door, an inside lever pivotally connected to the base plate and pivotally movable in response to handling of the inside handle, an outside lever pivotally connected to the base plate and pivotally movable in response to handling of the outside handle, a first device for causing the latching device to assume its inoperative condition when the outside lever is pivoted in a given direction, a second device for linking the outside lever with the inside lever so that pivoting of the inside lever in a given direction induces the pivoting of the outside lever in the given direction, and a child proof lever pivotally connected to the base plate and disengaging the second device from the inside lever when assuming its child proof position.

REFERENCES:
patent: 2625420 (1953-01-01), Endter
patent: 2658781 (1953-11-01), Allen
patent: 2782062 (1957-02-01), Smith
patent: 3049372 (1962-08-01), Pickles
patent: 3065013 (1962-11-01), Pickles
patent: 3111339 (1963-11-01), Nadeau
patent: 3923329 (1975-12-01), Torii et al.
patent: 4334704 (1982-06-01), Yamada

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