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. 22, 1990
Filed:
Sep. 15, 1988
Applicant:
Inventors:
Christopher E Hosmer, Taylors, SC (US);
John F Whaley, Warwick, RI (US);
Assignee:
Marshall and Williams Company, Providence, RI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06C / ; D06C / ; B21L / ;
U.S. Cl.
CPC ...
26 89 ; 29445 ; 29525 ; 29898055 ; 2989815 ; 59-5 ; 59-8 ; 384 42 ; 384909 ; 384546 ;
Abstract
A tenter frame is illustrated wherein a chain is fabricated by press fitting a pin receiving bushing constructed of Vespel and the like into a steel bushing and then boring a pin receiving opening therein and utilizing wear strips constructed of Vespel in a dovetail configuration opposite the tenter chain providing a lubrication free tenter wherein the chain may be tensioned without excessive stretching.