US15078A - Method of operating head-blocks of sawiito-mills - Google Patents

Method of operating head-blocks of sawiito-mills Download PDF

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Publication number
US15078A
US15078A US15078DA US15078A US 15078 A US15078 A US 15078A US 15078D A US15078D A US 15078DA US 15078 A US15078 A US 15078A
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Prior art keywords
shaft
mills
blocks
sawiito
operating head
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Expired - Lifetime
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/143—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis
    • 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
    • Y10T83/6508—With means to cause movement of work transversely toward plane of cut
    • Y10T83/6515—By means to define increment of movement toward plane of cut
    • Y10T83/6516—Interrelated with movement of reciprocating means

Definitions

  • My invention consists in operating the dogs and head block from one and the same shaft, by means of gearing arranged as will be presentlyT shown and described, so that the head block may be adjusted to set the log properly to the saw, and the dogs also adjusted at the same time.
  • A represents a saw mill carriage
  • B represents a head block placed transversely thereon.
  • C, C are two dogs which are placed in the head block. These dogs are fitted in grooves in the block, and have racks (a) cut in their sides.
  • each shaft has a pinion E, upon it, and these pinions gear into the racks (a).
  • the lower ends of the shafts D, D have bevel wheels F, upon them, one at each end, and bevel pinions G, Gr, gear into the wheels F, said pinions being upon a shaft H, placed underneath the head block, and having a ratchet wheel I, on one end, into which ratchet a pawl J, catches, said pawl being attached to a lever K, which is placed loosely on the shaft H.
  • L is a shaft placed underneath the head block, and having a pinion M, on its inner end, which pinion gears into one of the bevel wheels F.
  • the outer end of the shaft L has a pawl N, attached to it.
  • the wheel O is a toothed wheel placed loosely on the shaft L, and having a hollow hub or rim (b) attached to its inner side.
  • This hub or rim is toothed on its inner periphery, and the pawl N, catches into the teeth of the hub or rim (b), see Fig. 2.
  • the wheel O gears into a rack P, which is attached to the flooring or some stationary part.
  • the dogs C, C By moving the lever K, in one direction, the dogs C, C, will only be moved; but by moving it in the opposite direction, the head block B, will also be moved; the pawl N, catching against the teeth in the rim or hub (In) when the shaft L, is turned in one direction, and slipping over them when the shaft is turned in the opposite direction.
  • the above invention is extremely simple and efficient, and enables the log to be adjusted and set with the greatest facility.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Toys (AREA)

Description

UNITE STS TE'I FFOE.
JOSEPH KURTZEMAN, OF LANCASTER, OHIO.
METHOD OF OPERATING HEAD-BLOCKS OF SAWING-MILLS.
Specification of Letters Patent No. 15,078, dated June 10, 1856.
To all whom may concern Be it known that I, J. KURTZEHAN, of Lancaster, in the county of Fairfield and State of Ohio, have invented a new and Improved Head-Block for Sawmill-Carriages; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the anneXed drawings, making a part of this specification, in which- Figure l, is a front view of my improvement. Fig. 2, is a transverse vertical section of ditto, (m) Fig. l, showing the plane of section. Fig. 3, is an inverted plan of ditto.
Similar letters of reference indicate corresponding parts in the several figures.
My invention consists in operating the dogs and head block from one and the same shaft, by means of gearing arranged as will be presentlyT shown and described, so that the head block may be adjusted to set the log properly to the saw, and the dogs also adjusted at the same time.
To enable those skilled in the art to fully understand and construct my invention, I will proceed to describe it.
A, represents a saw mill carriage, and B, represents a head block placed transversely thereon.
C, C, are two dogs which are placed in the head block. These dogs are fitted in grooves in the block, and have racks (a) cut in their sides.
D, D, are small upright shafts fitted within the block, each shaft has a pinion E, upon it, and these pinions gear into the racks (a). The lower ends of the shafts D, D, have bevel wheels F, upon them, one at each end, and bevel pinions G, Gr, gear into the wheels F, said pinions being upon a shaft H, placed underneath the head block, and having a ratchet wheel I, on one end, into which ratchet a pawl J, catches, said pawl being attached to a lever K, which is placed loosely on the shaft H.
From the above description it will be seen that by operating the lever K, the pawl J, will actuate the ratchet I, and the dogs O, C, will be moved either forward or backward according to the direction in which the lever K, is moved.
L, is a shaft placed underneath the head block, and having a pinion M, on its inner end, which pinion gears into one of the bevel wheels F. The outer end of the shaft L, has a pawl N, attached to it.
O, is a toothed wheel placed loosely on the shaft L, and having a hollow hub or rim (b) attached to its inner side. This hub or rim is toothed on its inner periphery, and the pawl N, catches into the teeth of the hub or rim (b), see Fig. 2. The wheel O, gears into a rack P, which is attached to the flooring or some stationary part.
By moving the lever K, in one direction, the dogs C, C, will only be moved; but by moving it in the opposite direction, the head block B, will also be moved; the pawl N, catching against the teeth in the rim or hub (In) when the shaft L, is turned in one direction, and slipping over them when the shaft is turned in the opposite direction.
The above invention is extremely simple and efficient, and enables the log to be adjusted and set with the greatest facility.
Having thus described my invention, what I claim as new and desire to secure by Letters Patent, is,
Connecting the dogs C, C, to the shaft H, by means of the racks (a) and gearing E, F, G, in combination with the toothed wheel O, having vthe hollow hub or geared rim (b) attached, the wheel being placed loosely on the shaft L, -which is provided with the pawl N, substantially as shown and described for the purpose specified.
JOSEPH KURTZEMAN.
US15078D Method of operating head-blocks of sawiito-mills Expired - Lifetime US15078A (en)

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