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:
Aug. 22, 1978
Filed:
Jan. 17, 1977
Applicant:
Inventors:
Assignee:
Toyoda-Koki Kabushiki-Kaisha, , JP;
Primary Examiner:
Int. Cl.
CPC ...
G05B / ;
U.S. Cl.
CPC ...
318602 ; 29568 ;
Abstract
An index device for indexing a rotatable magazine, having a plurality of tool holding devices which store a variety of tools and are addressed in a numerical order, to a predetermined tool change position for a tool exchange operation. A check signal is generated each time a specific tool holding device having an address of a predetermined binary coded state is indexed to the tool change position. A memory device stores a binary coded number of a tool holding device indexed at the tool change position. An abnormality is checked in accordance with a check signal and a content of the memory device.