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Publication of DE256550CpublicationCriticalpatent/DE256550C/de
B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B47/00—Drives or gearings; Equipment therefor
B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Constituent Portions Of Griding Lathes, Driving, Sensing And Control
(AREA)
Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices
(AREA)
Vorrichtung an Rechenmaschinen mit einem zwei Ziffernreihen aufweisenden Umdrehungszaehlwerk zum Verschieben des Schaulochschiebers und zur Sicherung seiner beiden Endlagen