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:
Jul. 05, 1977
Filed:
Apr. 26, 1976
Applicant:
Inventor:
Niel R Petersen, Hopkins, MN (US);
Assignee:
MTS Systems Corporation, Eden Prairie, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F / ; F16F / ;
U.S. Cl.
CPC ...
267126 ; 52-1 ; 188 / ; 2483 / ; 267136 ;
Abstract
A linear spring system using pneumatic cylinders arranged to give a substantially linear force versus displacement curve across a wide range of displacement and which is capable of providing large forces with mechanism.