EP 2166233 A1 20100324 - Gradual action jack
Title (en)
Gradual action jack
Title (de)
Zylinder mit progressiver Wirkung
Title (fr)
Vérin à action progressive
Publication
Application
Priority
EP 08290872 A 20080917
Abstract (en)
The jack has a rod (2) sliding in a cylindrical jack body (1) and integrated with a piston (5). The piston has two surfaces (SA, SB) contacted with two chambers (A, B), respectively, where the piston delimits the chambers. The piston comprises a vent hole (11) for allowing a calibrated passage of gas generated by a pyrotechnic gas generator (4) between the chambers. The piston comprises borings (12) for passing the gas between the generator and one of the chambers. A compression spring is interposed between a cap (9) of the body and the piston.
Abstract (fr)
L'invention concerne un vérin du type comportant un générateur pyrotechnique de gaz (4) et comprenant un corps de vérin (1) cylindrique, dans lequel coulisse une tige (2) solidaire d'un piston (5), ledit piston (5) délimitant une première chambre (A) et une deuxième chambre (B), vérin caractérisé en ce que le piston (5) comporte au moins un évent (11) permettant le passage calibré du gaz engendré par le générateur (4) entre les deux chambres (A,B).
IPC 8 full level
F15B 15/19 (2006.01)
CPC (source: EP)
F15B 15/19 (2013.01); F15B 15/204 (2013.01)
Citation (search report)
- [X] FR 2167270 A5 19730824 - FERODO SA [FR]
- [X] US 6095051 A 20000801 - SAXBY MICHAEL ERNEST [GB]
- [X] US 3535065 A 19701020 - GUENIN LEANDRE ANDRE
- [X] WO 2004071821 A1 20040826 - AUTOLIV DEV [SE], et al
- [X] GB 1407954 A 19751001 - NISSAN MOTOR
- [A] US 3917031 A 19751104 - DOIN BERNARD J, et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
DOCDB simple family (application)
EP 08290872 A 20080917