EP4021683A4 - Power tool for generating an instantaneous torque - Google Patents

Power tool for generating an instantaneous torque Download PDF

Info

Publication number
EP4021683A4
EP4021683A4 EP19942829.3A EP19942829A EP4021683A4 EP 4021683 A4 EP4021683 A4 EP 4021683A4 EP 19942829 A EP19942829 A EP 19942829A EP 4021683 A4 EP4021683 A4 EP 4021683A4
Authority
EP
European Patent Office
Prior art keywords
generating
power tool
instantaneous torque
instantaneous
torque
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19942829.3A
Other languages
German (de)
French (fr)
Other versions
EP4021683C0 (en
EP4021683B1 (en
EP4021683A1 (en
Inventor
Li Guo Ma
Jing Feng Zhou
Rui Liang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Techtronic Cordless GP
Original Assignee
Techtronic Cordless GP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Techtronic Cordless GP filed Critical Techtronic Cordless GP
Publication of EP4021683A1 publication Critical patent/EP4021683A1/en
Publication of EP4021683A4 publication Critical patent/EP4021683A4/en
Application granted granted Critical
Publication of EP4021683C0 publication Critical patent/EP4021683C0/en
Publication of EP4021683B1 publication Critical patent/EP4021683B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
    • B25B21/026—Impact clutches

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Fluid-Damping Devices (AREA)
EP19942829.3A 2019-08-27 2019-08-27 Power tool for generating an instantaneous torque Active EP4021683B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/102722 WO2021035512A1 (en) 2019-08-27 2019-08-27 Power tool for generating an instantaneous torque

Publications (4)

Publication Number Publication Date
EP4021683A1 EP4021683A1 (en) 2022-07-06
EP4021683A4 true EP4021683A4 (en) 2023-05-03
EP4021683C0 EP4021683C0 (en) 2023-12-20
EP4021683B1 EP4021683B1 (en) 2023-12-20

Family

ID=74684936

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19942829.3A Active EP4021683B1 (en) 2019-08-27 2019-08-27 Power tool for generating an instantaneous torque

Country Status (3)

Country Link
EP (1) EP4021683B1 (en)
CN (1) CN216067235U (en)
WO (1) WO2021035512A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1454714A2 (en) * 2003-03-07 2004-09-08 Ingersoll-Rand Company Rotary tool
EP1454715A2 (en) * 2003-03-07 2004-09-08 Ingersoll-Rand Company Drive system having an inertial valve
WO2018054311A1 (en) * 2016-09-20 2018-03-29 苏州宝时得电动工具有限公司 Electric tool

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE504101C2 (en) * 1994-12-30 1996-11-11 Atlas Copco Tools Ab Hydraulic torque pulse mechanism
US7207393B2 (en) * 2004-12-02 2007-04-24 Eastway Fair Company Ltd. Stepped drive shaft for a power tool
TWI498194B (en) * 2014-05-30 2015-09-01 Tranmax Machinery Co Ltd Impact drive
CN105201402B (en) * 2014-06-30 2019-01-01 中国石油化工股份有限公司 Torsional pulse drilling rig
CN105443034B (en) * 2015-12-03 2017-10-27 新疆新锋锐石油技术服务股份有限公司 Frequency-adjustable torsion impact speed enhancing apparatus
KR102431500B1 (en) * 2017-08-31 2022-08-11 우류세이사쿠 가부시키가이샤 Impact torque generator for hydraulic power wrench

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1454714A2 (en) * 2003-03-07 2004-09-08 Ingersoll-Rand Company Rotary tool
EP1454715A2 (en) * 2003-03-07 2004-09-08 Ingersoll-Rand Company Drive system having an inertial valve
WO2018054311A1 (en) * 2016-09-20 2018-03-29 苏州宝时得电动工具有限公司 Electric tool

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021035512A1 *

Also Published As

Publication number Publication date
CN216067235U (en) 2022-03-18
EP4021683C0 (en) 2023-12-20
EP4021683B1 (en) 2023-12-20
WO2021035512A1 (en) 2021-03-04
EP4021683A1 (en) 2022-07-06

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