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:
Dec. 28, 1999
Filed:
Dec. 11, 1997
Applicant:
Inventor:
Harald Harrer, Bayreuth, DE;
Assignee:
Suspa Compart Aktiengesellschaft, Altdorf, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47C / ;
U.S. Cl.
CPC ...
248631 ; 248161 ; 403D / ;
Abstract
An adjustable-length column for chairs or the like comprises an upright tube with a pneumatic or hydropneumatic length-adjusting element disposed therein. The latter's piston rod, in the vicinity of its free end, is flexibly snap-engaged with a bottom plate of the upright tube.