US166021A - Improvement in log-turners - Google Patents

Improvement in log-turners Download PDF

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Publication number
US166021A
US166021A US166021DA US166021A US 166021 A US166021 A US 166021A US 166021D A US166021D A US 166021DA US 166021 A US166021 A US 166021A
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Prior art keywords
log
shaft
saw
attached
improvement
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    • 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
    • B27B31/00—Arrangements for conveying, loading, turning, adjusting, or discharging the log or timber, specially designed for saw mills or sawing machines
    • B27B31/04—Turning equipment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6492—Plural passes of diminishing work piece through tool station
    • Y10T83/6499—Work rectilinearly reciprocated through tool station
    • Y10T83/65—With means to cause or permit angular re-orientation of work about axis parallel to plane of cut
    • Y10T83/6504—By member having work-engaging tooth

Definitions

  • Figure 1 is a side view of my improved device, shown as applied to a saw-mill.
  • Fig. 2 is a top view of the same.
  • This invention relates to an improved arrangement of parts for effecting the turning or shifting of logs on the saw-mill carriage; and it consists particularly in the arrange ment of the rope-winding shaft parallel to the ways on which the log-carriage travels, and of the saw-shaft at right angles thereto, and of the means for connecting the two shafts to cause their simultaneous rotation, as hereinafter described.
  • A represents the frame of the saw-mill.
  • B represents the carriage, and C the knees of the head and tail blocks.
  • I) is the shaft, to which the saw E is attached, which revolves in bearings attached to the frame A, and to which power is applied in the usual way.
  • a small pulley, F around which passes a slack belt, G, which also passes around a larger pulley, H, attached to the shaft I.
  • the shaft I revolves in bearings attached to the upper part of the frame A, and to it is attached a small bevelgear wheel, J, the teeth of which mesh into the teeth of the larger bevel-gear wheel K attached to the shaft L.
  • the shaft L revolves in bearings attached to the upper part of the frame A, and to it is attached the end of the rope or chain M, to the other end of which is attached a hook, N, to be driven into .
  • the log. 0 is a lever, which is pivoted to the frame A, and to the end of which is pivoted a frictionpulley, P, to bear against the belt G, and thus give sufficient tension to said belt to drive the log-turning device.
  • the free end of the lever 0 projects into such a position that it may be conveniently reached and operated by the sawyer. 1
  • the arrangement of the shaft L parallel to the ways of the log-carriage enables two or more ropes to be used on the same shaft, one being to connect with each end of the log, while the position of the saw-shaft is such that the lever O for throwing shaft L into action is conveniently accessible to the sawyer who occupies the platform in the angle between the shafts.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Description

G. P. Mc WANE. Log-Turne 10.166.02]. PatentedJuly27fl87 5.
L 1 r M FE fig Burma WITNESSES: Y mvmon: I
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N. PETERS, FHOTO-LII'NDGRAFHER, WASHINGTON. u c.
FFIGE.
PATENT CHARLES P. MGWANE, OF DUBLIN, VIRGINIA. v
IMPROVEMENT IN LOG-TUR NERS.
Specification forming part of Letters Patent No. 166,02 1, dated July 27, 1875; application filed June 5, 1875.
To all whom it may concern:
Be it known that I, CHARLES 1?. MOWANE, of Dublin, in the county of Pulaski and State of Virginia, have invented a new and useful Improvement in Log-Turners, of which the following is a specification:
Figure 1 is a side view of my improved device, shown as applied to a saw-mill. Fig. 2 is a top view of the same.
Similar letters of reference indicate corresponding parts.
This invention relates to an improved arrangement of parts for effecting the turning or shifting of logs on the saw-mill carriage; and it consists particularly in the arrange ment of the rope-winding shaft parallel to the ways on which the log-carriage travels, and of the saw-shaft at right angles thereto, and of the means for connecting the two shafts to cause their simultaneous rotation, as hereinafter described.
A represents the frame of the saw-mill. B represents the carriage, and C the knees of the head and tail blocks. I) is the shaft, to which the saw E is attached, which revolves in bearings attached to the frame A, and to which power is applied in the usual way. To the saw-shaft D is attached a small pulley, F, around which passes a slack belt, G, which also passes around a larger pulley, H, attached to the shaft I. The shaft I revolves in bearings attached to the upper part of the frame A, and to it is attached a small bevelgear wheel, J, the teeth of which mesh into the teeth of the larger bevel-gear wheel K attached to the shaft L. The shaft L revolves in bearings attached to the upper part of the frame A, and to it is attached the end of the rope or chain M, to the other end of which is attached a hook, N, to be driven into .the log. 0 is a lever, which is pivoted to the frame A, and to the end of which is pivoted a frictionpulley, P, to bear against the belt G, and thus give sufficient tension to said belt to drive the log-turning device. The free end of the lever 0 projects into such a position that it may be conveniently reached and operated by the sawyer. 1
The arrangement of the shaft L parallel to the ways of the log-carriage enables two or more ropes to be used on the same shaft, one being to connect with each end of the log, while the position of the saw-shaft is such that the lever O for throwing shaft L into action is conveniently accessible to the sawyer who occupies the platform in the angle between the shafts.
I do not claim, broadly, the combination, in a log-turnin g machine, of a rope-windin g shaft and saw-shaft arranged at right angles; but
Having thus described my invention, I claim as new and desire to secure by Letters Patent The rope-windin g shaft L, placed parallel to the ways of the log-carriage, the saw-shaft I at right angles thereto, the gear K, pinion J, pulleys H F, slack-band G, and pivoted lever O, carrying friction-roller P, all constructed and arranged to operate as shown. and described.
CHARLES P. MCWANE. Witnesses:
JOHN H. DUDLEY, JAMES S. GILES.
US166021D Improvement in log-turners Expired - Lifetime US166021A (en)

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