ZA915517B - Fluid-operated wrench - Google Patents

Fluid-operated wrench

Info

Publication number: ZA915517B
Authority: ZA; South Africa
Prior art keywords: housing; threaded connector; loosening; fluid; ratchet
Prior art date: 1990-10-08

Application number

ZA915517A

Other languages

English (en)

Inventor

John K Junkers

K Junkers John

Original Assignee

K Junkers John

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.)

1990-10-08

Filing date

1991-07-15

Publication date

1992-05-27

1991-07-15 Application filed by K Junkers John filed Critical K Junkers John

1992-05-27 Publication of ZA915517B publication Critical patent/ZA915517B/xx

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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0078—Reaction arms
- 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
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- 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
- B25B21/004—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose of the ratchet type
- B25B21/005—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose of the ratchet type driven by a radially acting hydraulic or pneumatic piston

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Pens And Brushes (AREA)
Bathtubs, Showers, And Their Attachments (AREA)
Forklifts And Lifting Vehicles (AREA)
Steering Control In Accordance With Driving Conditions (AREA)
Arrangement And Driving Of Transmission Devices (AREA)
Switches With Compound Operations (AREA)

ZA915517A 1990-10-08 1991-07-15 Fluid-operated wrench ZA915517B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US61116890A	1990-10-08	1990-10-08

Publications (1)

Publication Number	Publication Date
ZA915517B true ZA915517B (en)	1992-05-27

Family

ID=24447900

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA915517A ZA915517B (en)	1990-10-08	1991-07-15	Fluid-operated wrench

Country Status (11)

Country	Link
EP (1)	EP0504331B1 (de)
JP (1)	JPH0755453B2 (de)
KR (1)	KR970001153B1 (de)
AT (1)	ATE168308T1 (de)
AU (1)	AU641502B2 (de)
BR (1)	BR9105922A (de)
DE (1)	DE69129799T2 (de)
DK (1)	DK0504331T3 (de)
ES (1)	ES2118083T3 (de)
WO (1)	WO1992005917A1 (de)
ZA (1)	ZA915517B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7497147B2 (en) *	2006-09-12	2009-03-03	Unex Corporation	Torque tool for tightening or loosening connections, and method of tightening or loosening the same
ES2349981B2 (es) *	2006-09-12	2011-12-12	Unex Corporation	Herramienta de torsion para apretar y aflojar conexiones, y metodo para apretar y aflojar las mismas.
US7735397B2 (en) *	2007-06-01	2010-06-15	Junkers John K	Fluid operated torque tool for and a method of tightening a nut on a plate on railroad crossings
CN103998185B (zh) *	2011-08-26	2016-08-24	凯特克分部尤尼克斯公司	用于拧紧螺纹紧固件的设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5015700B1 (de) *	1971-02-25	1975-06-06
US3941017A (en) *	1975-04-14	1976-03-02	Davenport Tool Co.	Plier type ratchet wrench
US4201099B1 (en) *	1978-08-14	1993-12-07	K. Junkers John	Hydraulic wrench
US4448096A (en) *	1980-12-22	1984-05-15	Collins Bobby W	Flutter lift for torque wrench
US4706527A (en) *	1984-10-22	1987-11-17	Junkers John K	Fluid operated wrench for tightening or loosening a threaded connector
GB8701194D0 (en) *	1987-01-20	1987-02-25	Hedley Purvis Ltd	Torque wrenches
US4846028A (en) *	1987-10-06	1989-07-11	Junkers John K	Fluid-operated wrench
GB8902659D0 (en) *	1989-02-07	1989-03-30	Hedley Purvis Ltd	Improved hydraulic torque wrench

1991
- 1991-04-19 AU AU77602/91A patent/AU641502B2/en not_active Ceased
- 1991-04-19 WO PCT/US1991/002795 patent/WO1992005917A1/en not_active Ceased
- 1991-04-19 BR BR919105922A patent/BR9105922A/pt not_active IP Right Cessation
- 1991-04-19 AT AT91908547T patent/ATE168308T1/de not_active IP Right Cessation
- 1991-04-19 ES ES91908547T patent/ES2118083T3/es not_active Expired - Lifetime
- 1991-04-19 DE DE69129799T patent/DE69129799T2/de not_active Expired - Lifetime
- 1991-04-19 KR KR1019920701303A patent/KR970001153B1/ko not_active Expired - Fee Related
- 1991-04-19 EP EP91908547A patent/EP0504331B1/de not_active Expired - Lifetime
- 1991-04-19 JP JP3508398A patent/JPH0755453B2/ja not_active Expired - Lifetime
- 1991-04-19 DK DK91908547T patent/DK0504331T3/da active
- 1991-07-15 ZA ZA915517A patent/ZA915517B/xx unknown

Also Published As

Publication number	Publication date
DK0504331T3 (da)	1999-04-19
AU641502B2 (en)	1993-09-23
WO1992005917A1 (en)	1992-04-16
EP0504331A4 (en)	1992-11-19
ES2118083T3 (es)	1998-09-16
BR9105922A (pt)	1993-03-30
KR970001153B1 (ko)	1997-01-29
AU7760291A (en)	1992-04-28
KR920702273A (ko)	1992-09-03
DE69129799D1 (de)	1998-08-20
JPH05504918A (ja)	1993-07-29
DE69129799T2 (de)	1998-11-19
ATE168308T1 (de)	1998-08-15
JPH0755453B2 (ja)	1995-06-14
EP0504331B1 (de)	1998-07-15
EP0504331A1 (de)	1992-09-23

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