Universal lock

Details Universal lock Universal lock

1991-06-25

1993-04-20

Moore, Richard E.

Closure fasteners

Clamps

Portable

292DIG71, 292288, E05B 6552

Patent

active

052035972

ABSTRACT:
The invention is to a safety device which can be fitted onto existing doors to prevent the inadvertent usage or opening of various household devices. These can be for example, refrigerators, microwave ovens, VCRs, etc. The device typically prevents small children from opening the door and/or using these devices without supervision. The device comprises a set of telescopically engaging members which are held tightly together over the handle of the door by a thumbscrew.

REFERENCES:
patent: 640057 (1899-12-01), Weston
patent: 1425515 (1922-08-01), Ellis
patent: 2003856 (1935-06-01), Gimbel
patent: 2903152 (1959-09-01), Kuo
patent: 2924476 (1960-02-01), Deane
patent: 3665736 (1972-05-01), Wilson
patent: 4300796 (1981-11-01), Lane

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