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.

Date of Patent:
Feb. 08, 1977

Filed:

Aug. 12, 1975
Applicant:
Inventors:

Toshio Oonuma, Aichi, JA;

Yutaka Tanaka, Aichi, JA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
74492 ; 188 / ;
Abstract

An impact energy absorbing apparatus having two cylinders coupled for telescopic movement under impact axially applied thereto. In addition to rigid balls press-fitted between the cylinders, the apparatus has idle rigid balls snugly fitted therebetween which are to be conducted for rolling movement along respective guide grooves of certain length formed on the cylinder. The characteristic of load-stroke relationship is thereby improved to provide optimum efficiency of impact absorption.


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