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:
Apr. 03, 1979
Filed:
Sep. 22, 1977
Applicant:
Inventors:
Assignee:
Toyota Jidosha Kogyo Kabushiki Kaisha, Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
318256 ; 318293 ;
Abstract
A directional switching device for a feeder in a machine tool driven by a direct current motor. The armature circuit of the direct current motor is provided with a relay contact circuit for switching the forward and backward movements of the conveyor. The relay contact circuit is controlled by signals from a sequencing circuit.