USRE869E - Improved machine for splitting fire-wood - Google Patents
Improved machine for splitting fire-wood Download PDFInfo
- Publication number
- USRE869E USRE869E US RE869 E USRE869 E US RE869E
- Authority
- US
- United States
- Prior art keywords
- wood
- blocks
- chains
- knife
- pieces
- Prior art date
Links
- 239000002023 wood Substances 0.000 title description 34
- 239000000203 mixture Substances 0.000 description 6
- 206010022114 Injury Diseases 0.000 description 4
- 230000001788 irregular Effects 0.000 description 4
- 101700045840 ECT Proteins 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001535 kindling Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 230000000717 retained Effects 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
Images
Definitions
- Fig. 2 is an inverted plan of the same.
- Fig. 3 is a side elevation of the same.
- Fig. 4 is a perspective view of the same.
- This invention relates to an improvement on a machine for splitting fire wood for which Letters Patent were granted to me, hearing In feeding blocks to be split into iire or kindling wood great diflculty has heretofore existed in preventing the blocks, which are often of a wedge form, setting so tightly against each other that when the knife penetrates the wood some of the parts are broken or injured.
- My invention consists in a device for feeding in the wood that will yield as the-splittingv progresses and relieve the parts from injury,l
- B B are two uprights attached to the frame A, one at each side parallel with each other, in a transverse plane, and having a cross bar, G itted between them.
- This cross-bar works between proper guides a a, attachedy to the inner sides of the uprights B B, and has a V- shaped knife, D, attached to it.
- This knife may be formed of one piece of steel, orof two pieces placed lobliquely to each other and properly screwed to the bar (J.
- the knife D works through a horizontal guide-plate, E, attached to the uprights B B, and it has a reciprocating motion given it by a pitman, F,
- H is a feed-box placed on the upper part of i the frame A, and formed of a horizontal board or platform, c, and two side pieces, d d.
- This feed-box extends the whole length of the frame A, and at the outer or discharge ends two movable or yielding pieces, e e, are attached.
- These yielding pieces are equal in width and height to the piece-s d d, and are secured to the platform or board c, each bya screw f, on which they work as centers, and each piece has aspring, g', bearing against it, said springs having a tendency to turn the pieces e withiny the line of the side pieces, d d.
- each side piece, d, of the feed-box H two horizontal pulleys, h hare attached, and around the twopulleys of each side-piece an endless chain, I, passes.
- These endless chains are each provided with spurs i at suitable distances apart, and the pulleys h h are .so placed relatively with lthe side pieces. d d, that the inner sides of the chains I lwill be about iush7 with the inner surfaces of the side pieces, the spurs i projecting their whole length within the feed-box. See Fig. 1.
- the endless chains are not fitted tightly 011 the pulleys h, but loosely, and the pressure-pulleys j bear against said chains, in order to keep them in proper position on the pulleys.
- the pulleys It of the side pieces, d d have their shaft 'n extending below the boardl or n there c, and on the lower part of each shaft y platform is placed a ratchet, o, and just above thisratehet is placed a lever, p, to the outer end of one arm of which is attached a pawl, q, and to the outer end of each of the I arm, t, which is connected by a rod, K, with a f l f ,i
- Y passes through a slot, jx, in the end of a bar
- the chains I feed the blocks AX (shown inY Fig. 1) to the knife D, the spurs i of the chains catching into the blocks and insuring their forward movement.
- the spurs t are made to catch into the blocks AX by the yprojecting spursf on the shafts e', said spurs having an inward-turning movement given them by the operation ofthe rods D', which are actuated by the pins b" on the ⁇ arm s ot' the shaft J striking against the jointed pendant u.
- the spurs f press the chains I inward and clamp it snugly, thus insuring its forward movement to the knife D, which splits the block A* at
- the chains I I prevent the blocks from binding against the side pieces,
- the split wood is supported and prevented falling over until it receives the second cnt, and then is readily discharged, as said pieces will yield under a certain pressure andv prevent the clogging or binding of the same at the discharge end of the feedbox, and at the same time said pieces c c will reta-in the blocks to a certain extent, so as to sustain the blockV or blocks acted upon by the knife D- that is to say, they will prevent said block or blocks ot' wood AX from falling over in front, a contingency which might otherwise occur.
- the roller N prevents the blocks of wood A from rising or being curved upward under the action of the endless chains I I, and insures their passage under the plate E.
- the weight of the roller N will generally effect this result, but a spring may be applied if necessary.
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