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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
B23Q5/22—Feeding members carrying tools or work
B23Q5/26—Fluid-pressure drives
B—PERFORMING OPERATIONS; TRANSPORTING
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23F—MAKING GEARS OR TOOTHED RACKS
B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
B23F23/12—Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
B23F23/1293—Workpiece heads
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FR798668A1959-04-131959-06-26Dispositif pour le réglage automatique de l'avancement d'un organe hydraulique
ExpiredFR1228729A
(fr)