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US115396A - Improvement in wagon-jacks - Google Patents

Improvement in wagon-jacks Download PDF

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Publication number
US115396A
US115396A US115396DA US115396A US 115396 A US115396 A US 115396A US 115396D A US115396D A US 115396DA US 115396 A US115396 A US 115396A
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United States
Prior art keywords
improvement
wagon
jacks
wagner
lever
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F15/00Crowbars or levers

Definitions

  • my invention consists in ap i plying to one leg ofthe lifting-jack an adjustable bearing-block.
  • the resting-block D through which the ad justable link d passes, in combination with legs B O and lever A, arranged and operating Vas shown4 and described.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Description

` `JOHN WAGNER. Improvement n Wagon Jacks. 4' No. 115,396, Patented May 30,1371.
JOHN; WAGNER, OF LANCASTER COUNTY, PENNSYLVANIA.
" IMPRovEMENT IN wAeoNJAcKs.
Speciiicationfforming part of Lettere Patent No. 115,396, dated May 30, 1871.
` I, JOHN WAGNER, of Lancaster county and State of Pennsylvania, have invented certain Improvements in LiftingfJacks, of which the following is a specification:
The nature of my invention consists in ap i plying to one leg ofthe lifting-jack an adjustable bearing-block.
` In the drawing', Figure l shows my jack in twol positions, the full-lined igure showing it with the lever-arm A raised, B and O being thelegs,V to which A is .pivoted at ct, b and D being the adjustable bearingb1ock,open or solid, and which is suspended by means of a link, d, to the leg O,`which link may rest in any of the notches e; D being arranged at any suitable height just under the body to be raised, the lever A is pressed downward in thedirection of the arrow, when the jack takes the position shown in dotted outline.
Fig. 2 is a partial top view of my device, j'
representing a strengthening-plate on the other side than that of the front view, shown in Fig. 1.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent of the United States, i`s
The resting-block D, through which the ad justable link d passes, in combination with legs B O and lever A, arranged and operating Vas shown4 and described.
J OHN WAGNER. Witnesses FRED. ARTos, PHCEBE ELLioTT.
US115396D Improvement in wagon-jacks Expired - Lifetime US115396A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090190610A1 (en) * 2008-01-25 2009-07-30 Alcatel Lucent Circuit emulation over an IP interworking VLL

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090190610A1 (en) * 2008-01-25 2009-07-30 Alcatel Lucent Circuit emulation over an IP interworking VLL

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