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US 5,203,597 AGranted
Universal lock
OwnerKarl E. Wheelockinventor
Life of this patent
Estimating the term…
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.
Claims11
A safety attachment for preventing inadvertent opening of the handles of household devices for placing around such devices comprising:
- first and second tubular members, each of said tubular members being of hollow material, having substantially smooth surfaces, and being bent at about a 90 degree angle to form a side portion and a front portion, said members of dissimilar diameter for telescoping movement, said member of larger diameter having a threaded screw in movable connection with said member of smaller diameter for holding said members tightly together, said threaded screw attached to the front portion of said member of larger diameter, each of said side portions having a strip of frictional material for engaging with the sides of said devices.
Dependencies are inferred from the claim text.