Cutlery – Pipe and rod cutters – Rotary
Patent
1992-05-08
1993-07-27
Yost, Frank T.
Cutlery
Pipe and rod cutters
Rotary
30 94, 30102, B32D 2108, B26D 316
Patent
active
052301508
ABSTRACT:
A tubing cutter comprising a pair of arms pivotally connected together adjacent one end, with the opposite ends of the arms free. Such opposite end of one of the arms has thereon a rotatably mounted cutting wheel, and upon the opposite end of the other of the arms at least one roller is utilized, in opposed operative relationship to the cutting wheel. A tightening arrangement, preferably in the form of a finger operated wheel mounted on a dually threaded shaft, is utilized for enabling the user to draw the free ends of the arms together, so as to force the cutting wheel into cutting contact with a piece of tubing placed between the rotary cutter and the rollers. Thus, upon relative rotation occurring between the cutting wheel and the tubing, the severing of the tubing can be readily brought about. Preferably a spring bias arrangement is utilized, which serves to assist the tube severing procedure by biasing the cutting wheel into firm contact with the tubing to be cut. In the primary embodiment of the invention, at least one laterally elongate slot is utilized at the location of the pivotal connection of the arms, to permit a controlled amount of laterally outward motion of the ends at the time of commencement of a tube cutting procedure. During this outward movement, potential energy is stored in the spring, which energy is subsequently utilized in a highly effective manner during the tube cutting procedure.
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Payer Hwei-Siu
Renfro Julian C.
Yost Frank T.
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