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Class Information
Number: 451/186
Name: Abrading > Machine > Rotary tool > Rotary cylinder > One-way work traverse > Nut and screw
Description: Abrading machine in which the workpiece is fed past the tool by the relative rotation of elements having a helical groove cut into their surfaces.

Sub-classes under this class:

Class Number Class Name Patents
451/187 Blade sharpener 3

Patents under this class:

Patent Number Title Of Patent Date Issued
6916234 Polishing machine Jul. 12, 2005
6758732 Backing plate and disc configured for blowing angled grinding Jul. 6, 2004
4860500 Passive actuator to maintain a constant normal cutting force during robotic deburring Aug. 29, 1989
4848039 Method and apparatus for grinding multiple workpieces Jul. 18, 1989
4800683 Grinding machine for the grinding of elongated workpieces Jan. 31, 1989
4393627 Reversing screw/high-low speed level wind screw Jul. 19, 1983

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