Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David C. Campbell0
Louis A. Gibbons0
Robert H. Gifford0
Date of Patent
June 19, 2007
0Patent Application Number
111847260
Date Filed
July 19, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A workbench has at least one drive member to clamp table members against one another. The drive member has a receiving tube and a crank tube. The receiving tube and crank tube are coupled with respect to one another for telescoping movement. One of the tubes has a threaded member and the other tube has a thread engaging member. A mechanism engages and disengages the thread engaging member into the threaded member such that in an engaged position, the crank tube can be rotated in the receiving tube for screw type movement. In a disengaged position, the crank tube is freely slidable for sliding movement in the receiving tube.
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