The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 27, 2006
Filed:
Dec. 03, 2004
Reinhard Robotta, Erlau, DE;
Gunter Schröter, Chemnitz, DE;
Reinhard Robotta, Erlau, DE;
Gunter Schröter, Chemnitz, DE;
Niles-Simmons Industrieanlagen GmbH, Chemnitz, DE;
Abstract
A crankshaft production machine for manufacture of crankshafts () having centric and eccentric surfaces to be machined, the said crankshafts being chucked rotatably around a C axis (), comprises a headstock, a counter spindle or tailstock, at least one displaceable longitudinal slide (), and drive units with motors for the drive motion of the crankshaft around the C axis and for the feed motion of subassemblies for tool spindles () as well as the tools, wherein the respective motors in at least one drive unit used to drive the workpiece spindles () and in at least one drive unit used to drive the tool spindles () are configured as torque motors ().