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:
Feb. 21, 1989
Filed:
Jun. 26, 1987
Applicant:
Inventor:
Howard D Beauch, Frankenmuth, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
74492 ;
Abstract
A collapsible steering column for automobiles including a plurality of mast jacket cylinders which are arranged in telescopic configuration with cylinder deforming units operatively mounted therebetween having rollable deformer balls active throughout telescopic collapse of the mast jacket into an optimized collapsed length to provide increased and energy absorption stroke over a given column length.