USRE1460E - Improvement in guard-fingers for harvesters - Google Patents

Improvement in guard-fingers for harvesters Download PDF

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Publication number
USRE1460E
USRE1460E US RE1460 E USRE1460 E US RE1460E
Authority
US
United States
Prior art keywords
bar
guard
finger
shear
fingers
Prior art date
Application number
Other languages
English (en)
Inventor
Walter A. Wood
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  • the shear-edges of the guards must be raised up to allow the grassto freely pass over it.
  • the guards for lightness-and strength, convenience, and for rigidity, are secured to the under side of the iinger-bar,which is made of a bevel or inclined shape, yand the shear-edges to allow the out grass to freely pass over the -nger-bar should be raised up near the top of the bar, or a line passing over the bar.
  • guardfngers The most approved way of fastening guardfngers to the finger-bar is to attach them to the bottom of the linger-bar, which is the opposite side to where the shear or cutting edges ofthe guards should be, so that said bar may not present an obstruction to the passing back of the cut grass Y as the machine advances.
  • Thefrontedgeofthengerbar which is the edge that comes in contact with the stubble as the machine is drawn forward, should be ofa bevel or inclined form by planes or otherwise, the object being twofold-wiz., lirst, to facilitate the passage of the machine over the cut stubble and to avoid such resistance to its easy passage as avsquare or more obtuse-angled edge of the front ot' the bar would oier;
  • guards thus fastened to the under side of the finger-bar, and having their cutting-edges at or near a line with the top of saidbar,will be of much greater strength which extends back as far, or nearly so, asthe cutting-edges of the knife, the edges of which are on a plane with the cutting-edges' of the guard.
  • the rear portion, B, of the guard, or that portion which comes in contact with the under side of the finger-bar U, is much lower than the shear-edgeaof the guard, so that while the guard is fastened to the nnder side of the linger-bar the shear-edge of the linger may be up near the top of the bar, or a line passing over the bar.
  • shear or cutting edge is raised up near the top the finger-bar and for the sickle or cutters,tl1e ⁇ of said bar, or to a line vpassing over the bar, four planes l 2 3 4, substantially as described for the purpose of allowing the cut .grass to and represented. i Y readily pass over the finger-bar, substan tially WALTER A WOOD 2. As a means of lnaking the elevation of Witnesses: Y the shear-edge above the base or heel of the A ADIN THAYER, Jr., linger or guard and of affording a bearing for J AMES S. THAYER.

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