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West Coast Chain Mfg. Co.

Cornell, Daniel S.

Malvini, Phillip Joseph

Phillip Joseph Malvini

Daniel M Cornell

Oleh Steeyk

Daniel S Cornell

A cutting tool includes a blade assembly with two retractable, opposing blades in a handle shaped for comfortable gripping. The blades may be closed and stowed by being partially retracted into the handle with a continuous motion of a single hand. The blades may similarly be extended and deployed for use with a continuous motion of a single hand. Each blade is formed with a shearing edge and a lever arm. Each lever arm is formed with a slot for engaging a blade locking tab joined to a cover for the handle. When the blade assembly is retracted into the handle, the shearing edges of the blades remain safely closed when the lever arms are released by a person using the tool. The cutting tool includes a retractable tether for preventing loss or damage to the tool should it be dropped.

Cutting tool with retractable blades

This invention is a hand tool tethering system for use with hand tools that includes a retractor adapted to be included in a housing of the hand tool, a tether attached to the hand tool's retractor mechanism at one end, and to and a coupling device at the opposite end for attachment to an operator or to a selected support structure. The retractor mechanism allows the tether to be movable between a stored position and a functional position.

Tethered hand tool

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San Jose, CA, United States of America

Phillip Joseph Malvini