Apparatus for mounting a drill on a pipe

Details Apparatus for mounting a drill on a pipe Apparatus for mounting a drill on a pipe

2006-10-24

2006-10-24

Howell, Daniel W. (Department: 3722)

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Having tool-opposing, work-engaging surface

C408S103000, C408S234000

Reexamination Certificate

active

07125206

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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