DE69507845D1 - Hydraulic torque pulse generation - Google Patents

Hydraulic torque pulse generation

Info

Publication number
DE69507845D1
DE69507845D1 DE69507845T DE69507845T DE69507845D1 DE 69507845 D1 DE69507845 D1 DE 69507845D1 DE 69507845 T DE69507845 T DE 69507845T DE 69507845 T DE69507845 T DE 69507845T DE 69507845 D1 DE69507845 D1 DE 69507845D1
Authority
DE
Germany
Prior art keywords
pulse generation
hydraulic torque
torque pulse
hydraulic
generation
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.)
Expired - Lifetime
Application number
DE69507845T
Other languages
German (de)
Other versions
DE69507845T2 (en
Inventor
Koji C O Uryu Seisaku Tatsuno
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.)
Uryu Seisaku Ltd
Original Assignee
Uryu Seisaku Ltd
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 Uryu Seisaku Ltd filed Critical Uryu Seisaku Ltd
Publication of DE69507845D1 publication Critical patent/DE69507845D1/en
Application granted granted Critical
Publication of DE69507845T2 publication Critical patent/DE69507845T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Actuator (AREA)
DE69507845T 1994-04-08 1995-04-05 Hydraulic torque pulse generation Expired - Lifetime DE69507845T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9575394 1994-04-08
JP7086393A JP2804904B2 (en) 1994-04-08 1995-03-17 Impact torque generator for hydraulic torque wrench

Publications (2)

Publication Number Publication Date
DE69507845D1 true DE69507845D1 (en) 1999-03-25
DE69507845T2 DE69507845T2 (en) 1999-06-17

Family

ID=26427527

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69507845T Expired - Lifetime DE69507845T2 (en) 1994-04-08 1995-04-05 Hydraulic torque pulse generation

Country Status (4)

Country Link
EP (1) EP0676260B1 (en)
JP (1) JP2804904B2 (en)
KR (1) KR100334211B1 (en)
DE (1) DE69507845T2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6708778B2 (en) 2001-01-12 2004-03-23 Makita Corporation Hydraulic unit with increased torque
JP5547004B2 (en) * 2010-09-07 2014-07-09 瓜生製作株式会社 Stroke torque adjusting device for hydraulic torque wrench
JP6762572B2 (en) * 2017-08-31 2020-09-30 瓜生製作株式会社 Impact torque generator for hydraulic torque wrench
KR102431500B1 (en) 2017-08-31 2022-08-11 우류세이사쿠 가부시키가이샤 Impact torque generator for hydraulic power wrench

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1074078A (en) * 1965-08-17 1967-06-28 Ingersoll Rand Co Rotary impulse tools
SE460713B (en) * 1986-04-22 1989-11-13 Atlas Copco Ab HYDRAULIC TORQUE PULSE
SE450222B (en) * 1986-07-24 1987-06-15 Atlas Copco Ab HYDRAULIC Torque Pulse Generator
GB2240500B (en) * 1990-02-06 1993-09-22 Desoutter Ltd Hydraulic torque impulse generator
SE469322B (en) * 1992-05-05 1993-06-21 Atlas Copco Tools Ab HYDRAULIC Torque Pulse Generator

Also Published As

Publication number Publication date
EP0676260A1 (en) 1995-10-11
EP0676260B1 (en) 1999-02-17
JPH07328944A (en) 1995-12-19
JP2804904B2 (en) 1998-09-30
KR100334211B1 (en) 2002-11-18
DE69507845T2 (en) 1999-06-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition