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CIE DU CHEMIN DE FER DE PARIS
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CIE DU CHEMIN DE FER DE PARIS
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Application filed by CIE DU CHEMIN DE FER DE PARISfiledCriticalCIE DU CHEMIN DE FER DE PARIS
Application grantedgrantedCritical
Publication of FR659600ApublicationCriticalpatent/FR659600A/en
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
B23Q5/041—Spindle-reversing devices
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR659600D1928-08-281928-08-28
Gear changing device for machine tools controlled by stepped pulleys
ExpiredFR659600A
(en)