Importance

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Abstract

A carpentry tool for the installation of parallel boards includes an elongated lever having a rotatable cam pivotally affixed adjacent to a distal end of the lever, a gripper body pivotally affixed at a distal end of the lever, the gripper body having two lugs or brackets extending downward from the lower end of the gripper body, wherein the gripper body includes a two-piece telescopic section having an outer tubing member and an inner tubing member in slidable engagement, the inner tubing member including a first lug or bracket on a lower face thereof, the outer tubing member including a second lug or bracket on a lower face thereof, opposing the first bracket, and a spindle extending from an upper face thereof, and a mechanism for reversibly affixing the sliding inner and outer tubing members at predetermined points. Further disclosed are novel adjustable joist grippers for use with the apparatus.

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First Claim