Global Patent Index - EP 4076857 A1

EP 4076857 A1 20221026 - METHOD FOR OPERATING A HAND-HELD POWER TOOL

Title (en)

METHOD FOR OPERATING A HAND-HELD POWER TOOL

Title (de)

VERFAHREN ZUM BETREIBEN EINER HANDWERKZEUGMASCHINE

Title (fr)

PROCÉDÉ DE COMMANDE D'UN OUTIL ÉLECTRIQUE PORTATIF

Publication

EP 4076857 A1 20221026 (DE)

Application

EP 20824190 A 20201209

Priority

  • DE 102019220254 A 20191219
  • DE 102020208993 A 20200717
  • EP 2020085288 W 20201209

Abstract (en)

[origin: WO2021122225A1] The invention relates to a method for operating a hand-held power tool (100), in particular a rotary impact driver, having a drive unit (111), a hand switch (128), a control unit (102) and a releasing operating mode for releasing a screw connection, in particular for releasing a fastening element from a fastening carrier, in which method a characteristic variable of the drive unit (121) is at least partially automatically controlled in an open-loop and/or closed-loop manner in the event of actuation.

IPC 8 full level

B25F 5/00 (2006.01); B25B 21/02 (2006.01); B25B 23/147 (2006.01)

CPC (source: EP)

B25B 21/02 (2013.01); B25B 23/1475 (2013.01); B25F 5/00 (2013.01)

Citation (search report)

See references of WO 2021122225A1

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

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

DE 102020208993 A1 20210624; CN 115135459 A 20220930; EP 4076857 A1 20221026; WO 2021122225 A1 20210624

DOCDB simple family (application)

DE 102020208993 A 20200717; CN 202080097103 A 20201209; EP 2020085288 W 20201209; EP 20824190 A 20201209