Global Patent Index - EP 1869753 A1

EP 1869753 A1 20071226 - LINEAR ACTUATOR FOR AN ELECTRIC PERCUSSION TOOL

Title (en)

LINEAR ACTUATOR FOR AN ELECTRIC PERCUSSION TOOL

Title (de)

LINEARAKTOR FUR EIN ELEKTRO-SCHLAGWERKZEUG

Title (fr)

ACTIONNEUR LINEAIRE POUR UN OUTIL DE PERCUSSION ELECTRIQUE

Publication

EP 1869753 A1 20071226 (DE)

Application

EP 06723929 A 20060331

Priority

  • EP 2006002969 W 20060331
  • DE 102005017483 A 20050415

Abstract (en)

[origin: WO2006108524A1] The invention relates to a linear actuator in an electric percussion tool, provided with an armature and a stator. The armature comprises at least two permanent magnetic bars, arranged in a stack one above the other at a given separation from each other, the stator is embodied at least partly from a soft-magnetic material and comprises at least two pairs of teeth with opposing teeth, each tooth pair of which accommodates one of the two stacks between them with formation of an air gap, whereby the stator comprises at least two magnetically-conducting inner regions between both stacks, arranged at a given separation from each other in the direction of movement of the armature and each at least partly enclosed by an essentially hollow cylindrical coil arrangement, the longitudinal mid-axis of which is oriented roughly perpendicular to the direction of movement of the armature and the armature comprises a drive body which can transmit a mechanical impulse to a tool of the electric percussion tool.

IPC 8 full level

H02K 33/12 (2006.01)

CPC (source: EP US)

B25D 11/064 (2013.01 - EP US); H02K 33/16 (2013.01 - EP US)

Citation (search report)

See references of WO 2006108524A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2006108524 A1 20061019; CN 101204000 A 20080618; DE 102005017483 A1 20061019; DE 102005017483 B4 20070405; EP 1869753 A1 20071226; JP 2008536462 A 20080904; US 2008252150 A1 20081016

DOCDB simple family (application)

EP 2006002969 W 20060331; CN 200680012167 A 20060331; DE 102005017483 A 20050415; EP 06723929 A 20060331; JP 2008505767 A 20060331; US 91163506 A 20060331