Global Patent Index - EP 2244859 B1

EP 2244859 B1 20111207 - PRESSURISED AIR PICK DEVICE WITH VARIABLE CONTROL

Title (en)

PRESSURISED AIR PICK DEVICE WITH VARIABLE CONTROL

Title (de)

DRUCKLUFTSCHLAGVORRICHTUNG MIT VARIABLER STEUERUNG

Title (fr)

DISPOSITIF PIQUEUR A AIR COMPRIME A COMMANDE VARIABLE

Publication

EP 2244859 B1 20111207 (FR)

Application

EP 09704622 A 20090113

Priority

  • FR 2009050043 W 20090113
  • FR 0800201 A 20080115

Abstract (en)

[origin: WO2009092956A2] The invention relates to a pressurised air pick device (1) with variable control that comprises a cylinder and piston assembly (5) for actuating a picking member (7), and a distribution portion (9) with variable control (23, 25) of the pressurised air to said cylinder and piston assembly (5), the distribution portion (9) including an upper body (15), a lower ring (17) and a mobile fluid-distribution slider capable of sliding between the body (15) and the ring (17), characterised in that the distribution portion (9) is provided in the cylinder (13) of the cylinder and piston assembly (5) at the upper portion (33) thereof and coaxially therewith, the fluid variable control (23, 25) is housed in the head (11) of the cylinder closing the upper portion (33) of the cylinder connected to a fluid-supply section (29), and said upper portion (33) of the cylinder includes two channels (37, 39) for supplying pressurised air in tight communication with the distribution portion (9) through the radial channels thereof.

IPC 8 full level

B25D 9/20 (2006.01)

CPC (source: EP US)

B25D 9/04 (2013.01 - EP US); B25D 9/20 (2013.01 - EP US); B25D 2209/005 (2013.01 - EP US); B25D 2250/035 (2013.01 - EP US); B25D 2250/245 (2013.01 - EP US)

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 MK MT NL NO PL PT RO SE SI SK TR

DOCDB simple family (publication)

FR 2926237 A1 20090717; FR 2926237 B1 20100611; AT E536235 T1 20111215; EP 2244859 A2 20101103; EP 2244859 B1 20111207; ES 2377449 T3 20120327; US 2011174512 A1 20110721; US 8720601 B2 20140513; WO 2009092956 A2 20090730; WO 2009092956 A3 20091001

DOCDB simple family (application)

FR 0800201 A 20080115; AT 09704622 T 20090113; EP 09704622 A 20090113; ES 09704622 T 20090113; FR 2009050043 W 20090113; US 81284509 A 20090113