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:
Feb. 20, 2001
Filed:
Oct. 26, 1998
Applicant:
Inventor:
Yukiyoshi Takayama, Komatsu, JP;
Assignee:
Komatsu Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 4/305 ; B05B 1/918 ;
U.S. Cl.
CPC ...
B21D 4/305 ; B05B 1/918 ;
Abstract
A controller for a work transfer system, capable of performing precise positioning of feed bars during sole driving of the transfer system and simplified in structure to contribute to savings in installation space and cost. The controller has a cam angle detector mounted on a cam shaft for feed cams and controls servo motors for respective lift bars according to information which is related to cam angle of the feed cams detected by the cam angle detector and looked up in a motion table set by a transfer controlling PLC serving as a motion table setting means.