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:
Sep. 05, 1989
Filed:
Feb. 13, 1989
Applicant:
Inventors:
John A Fillar, New Berlin, WI (US);
Thomas J Casper, Waukesha, WI (US);
James H Wiegand, Franklin, WI (US);
Assignee:
Envirex Inc., Waukesha, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16G / ;
U.S. Cl.
CPC ...
474207 ; 59-7 ; 59 59 ; 474223 ;
Abstract
A link assembly for a lightweight, non-metallic, conveyor or load transmission chain having significantly greater strength and other performance improvements compared to previous non-metallic chain links is disclosed. Each link assembly includes a pair of identical sidebars each comprised of high-strength filamentary material wound in an elongated loop configuration and fixed in a matrix of hardened resin and a connecting pin having a stiff reinforced composite core and a surrounding sleeve of low friction wear resistant material.