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US 6,486,788 B1Granted
Audible safety warning system
OwnerMike Zagone, John Zagoneinventors
Life of this patent
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Abstract
An audible safety warning message is recorded on a digital sound chip and the chip is installed in an extension tool such as an extension pole, a ladder or the like. The message playback sequence is initiated when the tool is activated to provide the user with a warning to avoid dangers such as overhead power wires and the like.
Claims20
Apparatus for delivering a safety warning message to users of and extension tool, comprising:
- a message generator carried in the extension tool and configured for playing back a pre-recorded, spoken audible safety warning message;
- a switch for initiating playback of said safety warning message;
- wherein said tool is movable between a retracted position and an extension position and said tool includes a selectively activated release mechanism to lock the tool in the in the retracted position or the extended position, and wherein said switch is activated by said release mechanism.
A method of delivering a safety warning message to users of extension tools, comprising:
- providing an extension tool movable between a retracted length and an extended length;
- storing in an audible message generator a spoken, audible safety warning message;
- installing said audible message generator in said tool;
- and
- initiating a playback sequence wherein said message is played back in response to activation of said tool including moving said tool to said extended length.
2 more elements
A safety warning delivery apparatus for use with an extension tool, comprising:
- an extension tool movable between a retracted length and an extended length and including a release for selectively locking the tool in the extended position or retracted position;
- a message generator configured for playing back a pre-recorded, spoken audible safety warning message;
- a switch activated by the release for initiating playback of the safety warning message.
Dependencies are inferred from the claim text.