EP 3569873 B1 20210922 - TELESCOPIC ACTUATOR WITH AUTOMATIC LOCKING
Title (en)
TELESCOPIC ACTUATOR WITH AUTOMATIC LOCKING
Title (de)
TELESKOPSTELLGLIED MIT AUTOMATISCHER VERRIEGELUNG
Title (fr)
ACTIONNEUR TÉLESCOPIQUE À VERROUILLAGE AUTOMATIQUE
Publication
Application
Priority
FR 1854162 A 20180518
Abstract (en)
[origin: US2019353187A1] The invention relates to a telescopic actuator comprising a cylinder (1) having a closed end (2) and an open end (3) for passing a hollow rod (4) mounted to slide axially in the cylinder. The actuator includes a central support (10) that extends from the closed end of the cylinder inside the rod and that carries obstacles (15) that are movable radially between a setback position leaving the rod free to slide and a projecting position in which the obstacles are engaged in a groove (9) in the rod in order to lock the rod axially relative to the cylinder, the flanks of the obstacles and of the groove being shaped so as to prevent any setting back of the obstacles by movement of the rod, the obstacles being arranged at the ends of spring blades (14) extending longitudinally and arranged to urge the obstacles from the setback position towards the projecting position, the central support carrying controlled means (20) for flexing the blades in order to cause the obstacles to be set back towards the setback position.
IPC 8 full level
F15B 15/14 (2006.01); F15B 15/26 (2006.01)
CPC (source: CN EP US)
F15B 15/1409 (2013.01 - CN); F15B 15/1423 (2013.01 - CN); F15B 15/1466 (2013.01 - EP); F15B 15/16 (2013.01 - CN US); F15B 15/261 (2013.01 - CN EP US); F15B 2015/268 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3569873 A1 20191120; EP 3569873 B1 20210922; CA 3043098 A1 20191118; CA 3043098 C 20210622; CN 110500336 A 20191126; CN 110500336 B 20210427; ES 2898941 T3 20220309; FR 3081237 A1 20191122; FR 3081237 B1 20201218; US 10801530 B2 20201013; US 2019353187 A1 20191121
DOCDB simple family (application)
EP 19175001 A 20190516; CA 3043098 A 20190510; CN 201910408909 A 20190516; ES 19175001 T 20190516; FR 1854162 A 20180518; US 201916410063 A 20190513