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:
Aug. 11, 1998
Filed:
Nov. 27, 1996
Applicant:
Inventors:
Robert V Norby, Munster, IN (US);
Henry F Ninstil, Overland Park, KS (US);
Stefan Pendrick, Hammond, IN (US);
Assignee:
Holland Company, Chicago Heights, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
29227 ; 29225 ; 29238 ; 29252 ; 254 / ; 254 105 ;
Abstract
A railroad car truck frame jack clamps a side frame, the clamps suspend a cross tube which in turn suspends one or more cylinders which raise a bolster plug thereby lifting the bolster relative to the side frame and decompressing the truck springs for repair or replacement, twisting loads being minimized in the preferred embodiment by a lost motion slot.
Quick Actions:
Norby, Robert. (1998). Railroad car truck spring jack (U.S. Patent No. 5791033). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5791033
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile