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:
Mar. 22, 2016
Filed:
Mar. 01, 2013
Special Springs S.r.l., Romano D'Ezzelino, IT;
Augusto Cappeller, Bassano del Grappa, IT;
Alessandro Cappeller, Tezze Sul Brenta, IT;
Dante Cappeller, Cartigliano, IT;
SPECIAL SPRINGS S.R.L., Romano d'Ezzelino, IT;
Abstract
A gas cylinder actuator having an overtravel safety device includes a tubular jacket for gas containment, which is closed at one end by a bottom provided with a gas filling valve and at the opposite end by a head portion. The head portion is provided with a hole for the passage of a stem with a piston, the jacket, the bottom and the piston forming the gas expansion and compression chamber. The head portion further includes an annular body, which is fixed internally to the jacket, and is provided with a central hole for the passage of the stem with the interposition of sealing elements, static sealing elements being interposed between the annular body and the jacket and an element for controlling the descending motion of a slider of a press with which the actuator is associated being provided and protruding from the annular body or from the jacket.