ZA977158B - Methods for manufacturing a pivot and a jack a pivot and a jack - Google Patents

Methods for manufacturing a pivot and a jack a pivot and a jack

Info

Publication number
ZA977158B
ZA977158B ZA977158A ZA977158A ZA977158B ZA 977158 B ZA977158 B ZA 977158B ZA 977158 A ZA977158 A ZA 977158A ZA 977158 A ZA977158 A ZA 977158A ZA 977158 B ZA977158 B ZA 977158B
Authority
ZA
South Africa
Prior art keywords
jack
pivot
manufacturing
methods
Prior art date
Application number
ZA977158A
Inventor
Louis Jacobus Otto
Mervyn Ralph Nash
Original Assignee
Scambia Ind Dev Ag Development
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 Scambia Ind Dev Ag Development filed Critical Scambia Ind Dev Ag Development
Priority to ZA977158A priority Critical patent/ZA977158B/en
Priority to EP98810747A priority patent/EP0896843A1/en
Priority to JP10224720A priority patent/JPH11123484A/en
Priority to BR9803746-3A priority patent/BR9803746A/en
Publication of ZA977158B publication Critical patent/ZA977158B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H7/00—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons
    • B21H7/18—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons grooved pins; Rolling grooves, e.g. oil grooves, in articles
    • B21H7/182—Rolling annular grooves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
    • B66F3/12—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated comprising toggle levers

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Forging (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
ZA977158A 1997-08-11 1997-08-11 Methods for manufacturing a pivot and a jack a pivot and a jack ZA977158B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ZA977158A ZA977158B (en) 1997-08-11 1997-08-11 Methods for manufacturing a pivot and a jack a pivot and a jack
EP98810747A EP0896843A1 (en) 1997-08-11 1998-08-03 Methods for manufacturing a pivot and a jack; a pivot and a jack
JP10224720A JPH11123484A (en) 1997-08-11 1998-08-07 Manufacture of pivot for jack, manufacture of jack, and pivot for jack, and jack
BR9803746-3A BR9803746A (en) 1997-08-11 1998-08-10 Methods for manufacturing a pivot and hydraulic jack; a pivot and a hydraulic jack.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA977158A ZA977158B (en) 1997-08-11 1997-08-11 Methods for manufacturing a pivot and a jack a pivot and a jack

Publications (1)

Publication Number Publication Date
ZA977158B true ZA977158B (en) 1999-04-28

Family

ID=25586530

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA977158A ZA977158B (en) 1997-08-11 1997-08-11 Methods for manufacturing a pivot and a jack a pivot and a jack

Country Status (4)

Country Link
EP (1) EP0896843A1 (en)
JP (1) JPH11123484A (en)
BR (1) BR9803746A (en)
ZA (1) ZA977158B (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2132577B1 (en) * 1971-04-09 1975-09-26 Rousseau Jean
JPS5514160A (en) * 1978-07-18 1980-01-31 Sannohashi Seisakusho:Kk Molding method of stop ring groove
JPS5611123A (en) * 1979-07-06 1981-02-04 Utsunomiya Rashi Kk Method and apparatus for thread rolling
JPS5890342A (en) * 1981-11-24 1983-05-30 Morioka Sangyo Kk Working method for groove for snap ring of pin and flat die for working
NL8202139A (en) * 1982-05-25 1983-12-16 Deutsche Ind Anlagen Microprocessor-controlled turning machine - performs many lathe functions using two profiled rollers with chuck, centres, tool posts etc.
US4771986A (en) * 1987-03-19 1988-09-20 Michael Hung Jack of a pantograph type (II)
US5356117A (en) * 1993-07-01 1994-10-18 Universal Tool & Stamping Company, Inc. Hollow trunnions for scissor jacks
US5449149A (en) * 1994-05-19 1995-09-12 Ventra Group, Inc. Pantograph jack

Also Published As

Publication number Publication date
BR9803746A (en) 1999-11-23
JPH11123484A (en) 1999-05-11
EP0896843A1 (en) 1999-02-17

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