Global Patent Index - EP 2445687 B1

EP 2445687 B1 20130403 - CHAINSAW

Title (en)

CHAINSAW

Title (de)

KETTENSÄGE

Title (fr)

SCIE À CHAÎNE

Publication

EP 2445687 B1 20130403 (DE)

Application

EP 10739490 A 20100622

Priority

  • EP 2010003754 W 20100622
  • AT 9902009 A 20090625

Abstract (en)

[origin: WO2010149338A1] The invention relates to a chainsaw having a guide bar (2), a drive pinion (4) associated with a drive (1), and a cutting chain (31) running over the guide bar (2) and the drive pinion (4), that can be tensioned and detensioned by a relative displacement of the guide bar (2) or a part of the guide bar (10), particularly the bar tip (10a) disposed at the end of a slider (10), and the drive pinion (4), wherein according to the invention a sensor element (30, 40) for capturing a change in the chain tension is disposed between the drive pinion (3) and the guide bar (2), preferably in the region of the chain (31) departing from the drive pinion (4), and a continuously operating adjusting unit (3) is provided for generating the relative displacement independently of the load on the chain (31) on the basis of the change in chain tension.

IPC 8 full level

B27B 17/14 (2006.01)

CPC (source: EP)

B27B 17/14 (2013.01)

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 SE SI SK SM TR

DOCDB simple family (publication)

WO 2010149338 A1 20101229; WO 2010149338 A4 20110331; AT 508397 A1 20110115; AT 508397 B1 20110415; EP 2445687 A1 20120502; EP 2445687 B1 20130403

DOCDB simple family (application)

EP 2010003754 W 20100622; AT 9902009 A 20090625; EP 10739490 A 20100622