Global Patent Index - EP 1722931 A1

EP 1722931 A1 20061122 - HYDRAULIC BREAKING HAMMER

Title (en)

HYDRAULIC BREAKING HAMMER

Title (de)

HYDRAULISCHER BRECHHAMMER

Title (fr)

MARTEAU PIQUEUR HYDRAULIQUE

Publication

EP 1722931 A1 20061122 (EN)

Application

EP 05711176 A 20050307

Priority

  • SE 2005000325 W 20050307
  • SE 0400617 A 20040312

Abstract (en)

[origin: WO2005087443A1] Hydraulic breaker hammer comprising a housing (10) with a longitudinal bore (12), a cylinder sleeve (14) mounted in the bore (12), a hammer piston (15) sealing guided in the cylinder sleeve (14), a guide sleeve (21) located in the front end portion of the bore (12) for receiving a working implement, and a rear end cover (16) forming a closure for the rear end of the bore (12). The rear end cover (16) comprises a tubular neck portion (17) which is formed integral as a one piece member with the end cover and which extends into the bore (12). The neck portion (17) forms a guide means for the hammer piston (15),and the bore (12) having an axially facing annular shoulder (18), wherein the cylinder sleeve (14) is supported in a correct operating position between the shoulder (18) and the end cover neck portion (17).

IPC 8 full level

B25D 9/04 (2006.01); B25D 9/12 (2006.01); B25D 9/14 (2006.01); B25D 17/00 (2006.01); B25D 17/26 (2006.01)

IPC 8 main group level

B25D (2006.01)

CPC (source: EP US)

B25D 9/12 (2013.01 - EP US); B25D 9/145 (2013.01 - EP US); B25D 17/00 (2013.01 - EP US); B25D 17/26 (2013.01 - EP US)

Citation (search report)

See references of WO 2005087443A1

Designated contracting state (EPC)

DE ES FI FR GB IT

DOCDB simple family (publication)

WO 2005087443 A1 20050922; DE 602005003335 D1 20071227; DE 602005003335 T2 20081106; EP 1722931 A1 20061122; EP 1722931 B1 20071114; ES 2296139 T3 20080416; JP 2007528798 A 20071018; SE 0400617 D0 20040312; SE 0400617 L 20050913; SE 528040 C2 20060815; US 2007175670 A1 20070802

DOCDB simple family (application)

SE 2005000325 W 20050307; DE 602005003335 T 20050307; EP 05711176 A 20050307; ES 05711176 T 20050307; JP 2007502761 A 20050307; SE 0400617 A 20040312; US 59260005 A 20050307