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Class Information
Number: 142/26
Name: Wood turning > Circular section > Spiral grooving > Cutter > Rotary
Description: Machines for reducing a stick to a circular section and producing a spiral groove in its circumference by means of a rotary cutter.

Sub-classes under this class:

Class Number Class Name Patents
142/25 Hollow mandrel 0
142/24 Pattern guide 1
142/33 Rack-and-pinion feed 1
142/34 Roller feed 0

Patents under this class:

Patent Number Title Of Patent Date Issued
7069632 Coaxial and concentric cutting machine and a method for use thereof Jul. 4, 2006
6293320 Multi-purpose machining apparatus Sep. 25, 2001
5597023 Table saw tenonizer jig Jan. 28, 1997
5562134 Woodworking machine Oct. 8, 1996
5065802 Dado lathe Nov. 19, 1991
4308902 Duplicating apparatus with variable scale factor Jan. 5, 1982
3946774 Device for employing a motorized hand tool to cut a spiralled groove in a workpiece Mar. 30, 1976

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