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:
Jul. 04, 1978
Filed:
Oct. 13, 1976
Tadahiro Sugimoto, Amagasaki, JP;
Daito Seiki Company, Limited, Osaka, JP;
Abstract
A hole making position control unit for a hole making machine suitable for making rivet holes and bolt holes in shaped steel. This control unit mainly comprises a marked plate having marks thereon, a photoelectrical apparatus for detecting the mark and a hole making head interlocked with the photoelectrical apparatus, and controls the action of the hole making head in accordance with the arrangement of the marks, which are arranged at the positions corresponding to the centers of holes to be made and to the turning positions of the moving direction of the hole making head. Each mark has a width to be detected in the detecting direction of the photoelectrical apparatus, so that during the detection of the mark the hole making head is instructed to decelerate, and when the detection is finished the hole making head is instructed to stop.