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:
Jan. 27, 2015
Filed:
Jul. 06, 2010
Tone Oudelaar, Beuningen, NL;
Willem Herman Masseling, Oldenzaal, NL;
Tone Oudelaar, Beuningen, NL;
Willem Herman Masseling, Oldenzaal, NL;
Actuant Corporation, Menomonee Falls, WI (US);
Abstract
The invention relates to a method for constructing a gas-filled double-acting hydraulic cylinder () with gas spring action, comprising: —a cylinder sleeve () with a cylinder bottom () and cylinder head () —a piston/piston rod assembly () a hydraulic fluid seal on the piston () —a connection for the head-side chamber () to a hydraulic line; —a connection for the bottom-side chamber () to a hydraulic line, —a gland () with a bore, the gland being attached between the cylinder bottom () and the piston (), the piston rod () extending over the entire stroke of the piston rod through the bore, wherein the gland comprises two seals —(), one for providing a seal with the cylinder sleeve () and one for providing a seal with the piston rod.