US12600A - Shijstgle-m achijste - Google Patents
Shijstgle-m achijste Download PDFInfo
- Publication number
- US12600A US12600A US12600DA US12600A US 12600 A US12600 A US 12600A US 12600D A US12600D A US 12600DA US 12600 A US12600 A US 12600A
- Authority
- US
- United States
- Prior art keywords
- frow
- shingles
- shingle
- shijstgle
- achijste
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 230000000994 depressed Effects 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 210000003414 Extremities Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B1/00—Methods for subdividing trunks or logs essentially involving sawing
- B27B1/007—Methods for subdividing trunks or logs essentially involving sawing taking into account geometric properties of the trunks or logs to be sawn, e.g. curvature
Definitions
- I construct a ⁇ frame (a) with suitable cross pieces, and ⁇ supports "in a strong and substantial manneryupon itstop near the cen- ⁇ ter I x two horizontalrabbeted guides (b) in whichslides al sashor gate with corj responding rabbets, the gate 0, is connected with the crankshaft d bythe connecting rod e and derives ⁇ a ⁇ reciprocating motion I therefrom by :means of power applied to the pulley f attached to the flywheel g.
- a cap piece (n) forms theupper portion of the table 7c, upon which the shinglebolt is placed.
- a spring o which renders the tableelastic and allows it to give to half the thickness of the frow or more if required when the bolt' splits irregularly. 4
- the shingle holder consists of ⁇ a wooden tail block (t) and two pieces lu and 'v placed horizontallybetween the guides fw, c, being Xed in mortises and u, in slots which admit of horizontal motion. Between these two piecesis a spring m, operatingto keep u and fu apart, but yielding to inequalities in the and jointed /are placed.
- the plane stocks Ion are attached to the gate c by the connecting rods b and c, and receive their motion therefrom.
- the handle Q is placed in notch No. 8 thus lowering the table 7c to its lowest point the bolt is placed on lc and the machine is put in motion and a piece suflicient to make eight shingles is split oif by the frow h and sapped by the frow s, the upper part is thrown aside, and the handle being placed in notch No. t the frow subdivides remaining piece in equal parts, then placinof the handle in No. 6 another portion is subdivided and so on in the following rotation viz 7, 5, 2, 3 and l then moving the handle to zero the eight shingles are removed together.
- the shingle holder is simple, and convenient, the elasticity derived from its spring allows it to hold the shingles firmly though varying in length, or irregular in form.
- the motion whichproduces the drawing cut of the jointing knives prevents the knife from splitting off ,the edge of the shingle and causes it to cut smooth.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
Description
"Fgure 141s a ftoplfview, ofthe 1machine;j` I FigQVVZ a longitudinal "section through' the` fcenter and, Fig.A 3 an elevation of the "notched flange. H I
' Theindicatinglletters"refer to the same' parts in the different figures wherever they j occur. y 1U I j j t The nature ofmy invention fconsists, rst, u
j in combining and arranging.. the various parts of` a shingle machine` as hereinafter described so as to enable me to split the bolt in equal parts each time after the rst cut at the VSametime removing the sap; secondly,
. I zin the elasticholder "which retainsthe shinglein position whileplaned or shaved to thefproper taper; thirdly, in the use `and operation of the jointing knives, which -finishthe edgesof the shingles with al drawing peut; f
I construct a `frame (a) with suitable cross pieces, and `supports "in a strong and substantial manneryupon itstop near the cen-` ter I x two horizontalrabbeted guides (b) in whichslides al sashor gate with corj responding rabbets, the gate 0, is connected with the crankshaft d bythe connecting rod e and derives `a` reciprocating motion I therefrom by :means of power applied to the pulley f attached to the flywheel g. Upon `the upper side ofthegate c l secure a frow Vor splitting knife (71)) which extends across the gate.` Betweenthe vertical guides z' and `iis a table (le.) capable of being elevated or depressed by means ofthe internal rack Z,
`operated by the` pinion m, a cap piece (n) forms theupper portion of the table 7c, upon which the shinglebolt is placed. I Between this cap :and the lower portion is a spring o which renders the tableelastic and allows it to give to half the thickness of the frow or more if required when the bolt' splits irregularly. 4 The shaft p, `which carries the i i j pinion m, has on one` of its extremities outside of the l frame`,`a"spring crank handle i sHINGLE-MAcI-IINE. I
ofnet'eis Patent No. 12,600, dated March 27, 1855.
5 which rests in one of the notches in the `circular `flange r which is fixed on the outside of the frame, `concentric with the shaft p. `The notches are nine in number `the handleg, being placed in the first marked 0, brings the table close up to thelevel of the frow I/and when in any of the othersthe `numbers thereon from l to 8 indicate that it is 'depressed the thickness of that number `of shingles.` Another frow s is attached t0 `the gate `parallel to the side thereof which occupies verticallya space equal to a little more than that between the under side of oHARIiEsLnAvI'r'r, or QINCY, ILLINOIS.
the lfrow h, and the top of the table la, when broughtdown to its lowest point. Its verk tical edgecomesup close to the under side` of .the frow h, and a little back of its edge.
Its object is to take off Vthe sap wood from the portion of the bolt split off by the frow L. I
At the opposite end of the frame to vthat where the crank shaft is placed, is the apparatus by which the shingles are planed or shaved to the propertaper upon both sides fat once, and jointed at the same time. I use for this purpose two plane stocks f of any convenient construction one for the top of the shingle, the other in 'a reversed position for the under side, they traverse in guides which converge to the end of their stroke. Also uponthe upper plane stock two jointing knives one oneach side, the prolongedtail pieces of which form levers having their, fulcrums at the pivots z. These levers overbalancing the forward portions rest upon a bar a extending across the frame. When the plane stock is forced forward the levers are necessarily elevated by the bar a', andthe cutting edges of the knives describe arcs which produces drawing cuts on the edges of the shingle ef which form smooth jointed edges parallel with each other.
The shingle holder consists of `a wooden tail block (t) and two pieces lu and 'v placed horizontallybetween the guides fw, c, being Xed in mortises and u, in slots which admit of horizontal motion. Between these two piecesis a spring m, operatingto keep u and fu apart, but yielding to inequalities in the and jointed /are placed. The plane stocks Ion are attached to the gate c by the connecting rods b and c, and receive their motion therefrom.
In operation the handle Q is placed in notch No. 8 thus lowering the table 7c to its lowest point the bolt is placed on lc and the machine is put in motion and a piece suflicient to make eight shingles is split oif by the frow h and sapped by the frow s, the upper part is thrown aside, and the handle being placed in notch No. t the frow subdivides remaining piece in equal parts, then placinof the handle in No. 6 another portion is subdivided and so on in the following rotation viz 7, 5, 2, 3 and l then moving the handle to zero the eight shingles are removed together.
I am aware that machines have been used that split olf one shingle at a time, but their operation is defective, the wood will not split straight, and regularly unless the bolt is equally subdivided each time, this is the practice in making shingles by hand, and eX- perience has demonstrated it to be the best mode. I have succeeded by my invention in doing this by machinery in a rapid, and effectual manner, as herein described, and with greater accuracy than can be conveniently accomplished by `hand and with great saving of time and labor.
The shingle holder is simple, and convenient, the elasticity derived from its spring allows it to hold the shingles firmly though varying in length, or irregular in form.
The motion whichproduces the drawing cut of the jointing knives, prevents the knife from splitting off ,the edge of the shingle and causes it to cut smooth.
and arranged substantially as described, and
for the purposes specied.
3. The jointing knives cl pivoted to the plane stocks in combination with the bar a substantially as described for the purpose of j ointing the edges of the shingles with a drawing out.
In testimony whereof I have hereunto signedy my name this sixth day of January CHARLES LEAVITT. Witnesses:
SAML. GRUBB, CHAS. EvERErr.
Publications (1)
Publication Number | Publication Date |
---|---|
US12600A true US12600A (en) | 1855-03-27 |
Family
ID=2072935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12600D Expired - Lifetime US12600A (en) | Shijstgle-m achijste |
Country Status (1)
Country | Link |
---|---|
US (1) | US12600A (en) |
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0
- US US12600D patent/US12600A/en not_active Expired - Lifetime
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