Cutlery – Pipe and rod cutters – Rotary
Patent
1996-08-14
1998-11-03
Rachuba, Maurina T.
Cutlery
Pipe and rod cutters
Rotary
30 95, 30 97, 7150, 7157, B23D 2106
Patent
active
058291423
ABSTRACT:
A motorized tool allows one or more operations to be performed on a workpiece, such as cutting and/or conditioning a surface of a pipe or a pipe fitting or receptacle. The motorized tool includes a cutter and/or one or more rotatably driven accessories, such as workpiece surface conditioners or brushes. The motorized tool further includes a drive mechanism used to rotate the workpiece against the cutter and to rotate the rotatably driven accessories. In one example, the drive mechanism rotates drive rollers that contact a workpiece and rotates the workpiece against a cutting element or edge of the cutter. In another example, the motorized tool includes an internal workpiece surface conditioner and an external workpiece surface conditioner that are also rotated by the drive mechanism to clean, debur or otherwise condition internal and external workpiece surfaces. The motorized tool can be hand-held or hand-operated and includes opposing pivotable members having handle portions. The cutter is disposed on one of the opposing members and the drive rollers are disposed on the other of the opposing members such that the workpiece is positioned between the opposing members in engagement with the drive rollers and cutting edge.
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