Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Devlieg Bullard Inc
Original Assignee
National Acme Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by National Acme CofiledCriticalNational Acme Co
Application grantedgrantedCritical
Publication of FR841252ApublicationCriticalpatent/FR841252A/fr
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23B—TURNING; BORING
B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
B23B31/02—Chucks
B23B31/24—Chucks characterised by features relating primarily to remote control of the gripping means
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR841252D1937-08-261938-07-27Dispositif pour l'actionnement des dispositifs de serrage sur des toursrevolvers automatiques à plusieurs broches
ExpiredFR841252A
(fr)