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WALLACH ETS
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WALLACH ETS
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Application filed by WALLACH ETSfiledCriticalWALLACH ETS
Application grantedgrantedCritical
Publication of FR703901ApublicationCriticalpatent/FR703901A/fr
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
B23Q5/02—Driving main working members
B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
B23Q5/043—Accessories for spindle drives
B23Q5/048—Speed-changing devices
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR703901D1930-01-071930-01-07Appareil à rectifier s'adaptant sur les machines-outils existantes
ExpiredFR703901A
(fr)