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.

Date of Patent:
Nov. 03, 1992

Filed:

May. 02, 1990
Applicant:
Inventors:

Takeo Yoshiji, Sayama, JP;

Yutaka Sato, Sayama, JP;

Akira Takeshima, Sayama, JP;

Teruo Yoshioka, Sayama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
1983453 ; 1983461 ;
Abstract

A working line having a plurality of work stations arranged in series and a free-flow transport conveyor for transporting workpieces to the work stations. An outer frame supporting the conveyor extends over the work stations. A jig base is provided in each of the work stations and is inserted into a framed space of the outer frame. A jig is provided on each of the jig base supporting and positioning each of the workpieces on the transport conveyor at the respective work station. The transport conveyor includes a main transport conveyor on the outer frame, a plurality of pallets riding on the main transport conveyor, and a return conveyor supported on the outer frame under the transport conveyor for returning empty pallets to a starting end of the line. The transport conveyor and return conveyor comprise, respectively, a pair of right and left conveying members provided in parallel to each other on both lateral sides thereof. The outer frame includes a plurality of supporting frames in portal shape provided at a predetermined pitch along the working line, a pair of right and left guide members for the transport conveyor extendedly provided between upper portions of the supporting frames for guiding the conveying members of the transport conveyor, and a pair of right and left guide members for the return conveyor extendedly provided between lower portions of the supporting frames for guiding the conveying members of the return conveyor.


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