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:
May. 08, 1990
Filed:
Mar. 31, 1989
Applicant:
Inventors:
Keiji Yasuda, Aichi, JP;
Kazuhiro Miyahara, Nagoya, JP;
Assignee:
NGK Insulators, Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60D / ;
U.S. Cl.
CPC ...
280504 ; 2804915 ; 280508 ; 403167 ;
Abstract
A trolley transfer unit for a tunnel furnace is to be used between trolleys when ceramic sintered products are loaded onto and unloaded from the trolleys in sintering the products in the tunnel furnace. The trolley transfer unit comprises a bar member for connecting the two trolleys with a predetermined interval, protrusions provided at both ends of the bar member for engaging the trolleys to be connected, and a support bar secured to the bar member and engaging a frame of the other trolley to support the bar member.