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US 6,332,344 B1Granted
Deadbolt security chain
OwnerMike Montoyainventor
Life of this patent
Estimating the term…
Abstract
A security device which is mounted on a door adjacent a deadbolt lock. The security device is a chain which will have a link with a ring at one end which is passed around the knob on the deadbolt to prevent the deadbolt knob from being turned and, therefore, opened.
Claims3
A security device for preventing a deadbolt, which is attached to a door, from being turned into an unlocked position, in combination with a deadbolt,
- said deadbolt having a knob for turning said deadbolt from a locked position to an unlocked position,
- said knob having opposed surfaces,
- said security device comprising means for mounting said security device to a door,
- securing means for preventing said knob from being turned into an unlocked position,
- said securing means comprising a chain having a plurality of links,
- one of said plurality of links being at one end of said securing means, and being attached to said means for mounting said security device to a door, and
- another of said plurality of links being at another end of said securing means, and passing over said opposed surfaces on said knob,
- when said another of said plurality of links is attached to said knob on said deadbolt, said deadbolt will be prevented from being turned into an unlocked position.
5 more elements
Dependencies are inferred from the claim text.