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Class Information
Number: 451/18
Name: Abrading > Precision device or process - or with condition responsive control > With feeding of tool or work holder > Screw actuated > Ratchet and pawl drive > Cam actuated
Description: Subject matter wherein the ratchet is caused to move by engagement of an eccentric surface of a rotary member.

Patents under this class:

Patent Number Title Of Patent Date Issued
6390896 Method and device for cutting a multiplicity of disks from a hard brittle workpiece May. 21, 2002
5210980 Diamond grinding machine for threading and forming hard materials such as ceramics, carbide and glass objects May. 18, 1993
5097634 Tool grinder apparatus and method Mar. 24, 1992

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