Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gordon Henry Turner0
Date of Patent
October 24, 2006
Patent Application Number
10890616
Date Filed
July 14, 2004
Patent Primary Examiner
Patent abstract
A platform for a drill is supported on four support members which are pivotable on the platform to alter the angle between opposite members. In one embodiment a stop limits the movement of the support members so that the maximum angle between them can be controlled to suit the diameter of a pipe on which the apparatus is mounted. In another embodiment, the support members are attached by connecting rods to a cross member which is raised and lowered on a threaded rod to pivot the members.
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