US82400A - Improvement in kossfflg-maoeines - Google Patents

Improvement in kossfflg-maoeines Download PDF

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US82400A
US82400A US82400DA US82400A US 82400 A US82400 A US 82400A US 82400D A US82400D A US 82400DA US 82400 A US82400 A US 82400A
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improvement
shaft
saw
maoeines
kossfflg
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27LREMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L1/00Debarking or removing vestiges of branches from trees or logs; Machines therefor
    • B27L1/10Debarking or removing vestiges of branches from trees or logs; Machines therefor using rotatable tools

Definitions

  • Figure 2 is a horizontal section through line :e :z: of g. 1.
  • This improvement consists in the employmentof a reciprocating saw, instead of a cutting-blade, to split the bark as it comes from the rollers.
  • A is the frame; B2 B3, the lower rollers; T, the feed-table; a, an iron rod between the rollers, and connecting the ends of the frame; b2, the working-shaft; E, the gearing, and c the belting, which connect the rollers, and convey motion from one to the other, of our improved rossing-mill.
  • rl'liis invention is an improvement upon said machine, consisting in the employment of a vibrating saw, M, in place'of the-knife K, described in the other application.
  • The'knife is operated by a. lever, R, hinged tothe frame at r, and worked by .a cam, u, on a shaft, W, in the manner shown in the drawings.
  • the end ofthe lever that runs in the cam-groove on the shaft may be provided with friction-rollers,or a loose sleeve or cap, as shown at r', to diminish friction.
  • a spring-bam'P is employed at the opposite end of the frame, to give the saw the necessary tension.
  • the cum-shaft W hase ⁇ small pinion, w, on its oixter endl, which gears with a large wheel, N, on ⁇ an idleshaft. ⁇ 0n the inner end of the latter'shaft is another small pinion, i, gearing with a large wheel, II, on the driving-shaft b2.
  • the cam-shaft is thus rotated at great speed by the motion of the driving-shaft.
  • the principal object in using the saw is to split oi the outer woody crust of the bark when it is 'very hard and dry.
  • the sharp-edged' knife will perhaps answer the purpose better, but when itis hard, and very thick, there is a decided advantage in employing the saw to cnt into it.
  • the stroke of thesaw may be increased or decreased at pleasure.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

@uiten gisten gattini @fitta described, and for the purpose specified.
CHARLES CILPIN AND LAURENCE T. DICKINsoN, or CUMBEELAND,
MARYLAND.
Letters Patent No. 82,400, dated September 22, 1868.
IMPROVEMENT IN ROSSING-MAGHINES.
T0 ALL WHOM IT MAY CONCERN: l
Bo it known that we, CHARLES GILPIN and LAURENCE T. DICKINsoN, of Cumberland, in the county of A11eghany, and State of Maryland, have invented anew and improved Rossing-Machine; and we do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had to the accompanying drawings, making a part of this specication, in Which- Figure lisa side elevation, showing both ends of the machine, its centre being removed.
Figure 2 is a horizontal section through line :e :z: of g. 1.
This improvement consists in the employmentof a reciprocating saw, instead of a cutting-blade, to split the bark as it comes from the rollers. A
In the drawings, A is the frame; B2 B3, the lower rollers; T, the feed-table; a, an iron rod between the rollers, and connecting the ends of the frame; b2, the working-shaft; E, the gearing, and c the belting, which connect the rollers, and convey motion from one to the other, of our improved rossing-mill. We will not describe these parts further, for the reason that their 'construction and oihce are fully explained in an application for Letters Patent thereon tiled contemporaneously with this.
rl'liis invention is an improvement upon said machine, consisting in the employment of a vibrating saw, M, in place'of the-knife K, described in the other application. The'knife is operated by a. lever, R, hinged tothe frame at r, and worked by .a cam, u, on a shaft, W, in the manner shown in the drawings. The end ofthe lever that runs in the cam-groove on the shaft may be provided with friction-rollers,or a loose sleeve or cap, as shown at r', to diminish friction. A spring-bam'P, is employed at the opposite end of the frame, to give the saw the necessary tension.
The cum-shaft W hase` small pinion, w, on its oixter endl, which gears with a large wheel, N, on` an idleshaft. `0n the inner end of the latter'shaft is another small pinion, i, gearing with a large wheel, II, on the driving-shaft b2. The cam-shaft is thus rotated at great speed by the motion of the driving-shaft.
The principal object in using the saw is to split oi the outer woody crust of the bark when it is 'very hard and dry. When the berk is soft, the sharp-edged' knife will perhaps answer the purpose better, but when itis hard, and very thick, there is a decided advantage in employing the saw to cnt into it.
By having a vertical slot, s, in the lever, and connecting the end of the saw-pitman thereto by-a set-screw, or other adjustable fastening, the stroke of thesaw may be increased or decreased at pleasure.
Having thus described our invention, what we claim as new, and desire to secure by Letters Patent, is-
1. KThe arrangement of the reciprocating saw M with relation to the rollers, substantially as described.
2. The combination of the saw M, pitman H, spring P, leverlt, and cam u, on shaft W, substantially as CHARLES GILPN,v LAURENCE fr. DICKINSON.
Witnesses:
JCIIN C. BRADY, JonN B. HUDSON.
US82400D Improvement in kossfflg-maoeines Expired - Lifetime US82400A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2918096A (en) * 1958-01-13 1959-12-22 Sr Fred A Schiel Pattern forming apparatus
US20050170436A1 (en) * 1991-02-08 2005-08-04 Barstad Paul A. Composition for inducing humoral anergy to an immunogen comprising a T cell epitope-deficient analog of the immunogen conjugated to a nonimmunogenic valency platform molecule

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2918096A (en) * 1958-01-13 1959-12-22 Sr Fred A Schiel Pattern forming apparatus
US20050170436A1 (en) * 1991-02-08 2005-08-04 Barstad Paul A. Composition for inducing humoral anergy to an immunogen comprising a T cell epitope-deficient analog of the immunogen conjugated to a nonimmunogenic valency platform molecule

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