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. 07, 1993
Filed:
Jan. 23, 1992
Joseph A Simon, Grosse Points Farms, MI (US);
Other;
Abstract
An elongated, rod-like rack for use in an automotive-type steering gear assembly and like mechanisms, is formed of an elongated extruded tube divided lengthwise into a substantially solid rack portion and a substantially hollow, link portion. Transversely extending teeth are broached on the rack portion for engagement with a drive pinion means and the like for transmitting power through the rack. The rack is formed by positioning a tubular blank within an open ended extrusion die having an extrusion throat and pushing the tubular blank through the throat for extruding the material longitudinally and collapsing radially inwardly to form a substantially solid, elongated rack portion continuing the pushing the blank with the mandrel within the die throat to extrude a thin wall length, which forms the hollow, integral link part of the rack. The trailing end may be terminated in an inwardly extending, thick wall portion suitable for forming threads thereon.