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:
Oct. 26, 2004
Filed:
Jun. 14, 2001
Applicant:
Inventors:
Assignee:
SMC Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16H 2/920 ;
U.S. Cl.
CPC ...
F16H 2/920 ;
Abstract
A nut member for moving forward and rearward by rotating a feed screw by a stepping motor and a transfer table for transferring a workpiece W are elastically connected by a spring means in transferring of the workpiece to thereby allow the nut member to overrun by flection of the spring means to allow the stepping motor to rotate excessively in a cushioned manner, and to obtain a thrust for pushing the workpiece against an object after the transfer table reaches the transfer end of the workpiece.