US1165298A - Portable drag-saw machine. - Google Patents

Portable drag-saw machine. Download PDF

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Publication number
US1165298A
US1165298A US1913803230A US1165298A US 1165298 A US1165298 A US 1165298A US 1913803230 A US1913803230 A US 1913803230A US 1165298 A US1165298 A US 1165298A
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United States
Prior art keywords
saw
beams
drag
saw machine
guide
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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
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Inventor
Elbert Vaughan
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Elbert Vaughan
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Priority to US1913803230 priority Critical patent/US1165298A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27BSAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B11/00Cross-cut reciprocating saws with power drive; Appurtenances therefor
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/687By tool reciprocable along elongated edge
    • Y10T83/6905With tool in-feed
    • Y10T83/693Of rectilinearly reciprocating tool
    • Y10T83/6935With in-feed by pivoting carrier
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/687By tool reciprocable along elongated edge
    • Y10T83/7015Having uniplanar compound motion
    • Y10T83/703Tool rocks cutting reciprocations

Description

E. VAUGHAN. PORTABLE DRAG SAW MACHINE.
AiPLlCATION FILED NOV. 26, 1913.
Patented Dec. 21, 1915.
2 SHEETS-SHEET I.
APPLICATION FILED NOV. 26, I9I3- Patented Dec. 21, 1915.
2 SHEETS-SHEET 2- ELIBERT VAUGHAN, 0F PORTLAND; OREGON.
PORTABLE DRAG-SAW MACHINE.
' Specification of Letters Patent.
Patented Dee. 21, 1915.
Application filed November 26, 1913. Serial No. 803,230.
To all whom it may concern Be it known that I, ELBERT VAUGHAN, a citizen of the United States, residing at Portland, in the county of Multnomah and State of Oregon, have invented new and useful Improvements in Portable Drag-Saw Machines, of which the following is a-specication.
The invention relates generally to dragsaw machines, and particularly to a portable motor-driven machine of this type in which the parts are arranged for particular efliciency and durabilityn V The main object of the present invention is the provision of a drag-saw machine embodying a frame having a single point of support remote from the log and spaced points of connection to the log, the saw proper being mountedin a frame operated from the motor and given a tilting motion during the sawing operation to aid in clearing the saw-dust. from the saw cut.
The invention in the preferred form of details will be described in the following specification, reference being had particularly to the accompanying drawings, in which Figure 1 is a side elevation of the improved drag-saw machine. of the same. Fig. 3 is a section on line 3-3 of Fig. 1. Fig. 4 is a section on line 44 of Fig. 2. Fig. 5 is a perspective view of block, the beams 1 being preferably arranged at right angles to the block and the beam 2 at an angle to the beam 1, as clearly shown in the drawings. A transverse brace bar 5 is arranged intermediate the beams, and a supporting bar 6 is terminally connected to the brace bar 5and to the beam 2, said bar 6 forming a support for the motor, shown in this instance as a gasolene engine 7.
Secured upon the upper edges of the respective beams 1 and 2 in advance of the ground block 4 are bearing plates 8, preferably mounted for limited adjustment lon- Fig. 2 is a plan gitudinally of the beams through slots 9 formed in the plates to receive the connected bolts 10. Mounted in the bearing plates 8 is the driven shaft 11 on which and between the beams, and adjacent the beam 1 is fixed a sprocket wheel 12. A chain 13 "connects.
the. sprocket wheel 12 with a sprocket pinion l4 operated directly by the motor 7 whereby motion is imparted to the shaft 11 from themotor. The main shaft 15 of the motor is provided with a conical extension l6=to receive the fly wheel 17, the shaft beyond the extension being threaded at 18 to receive What may be termed a cone-clutch member 19 on which is mounted the pinion 14, the spring 20' encircling the extension of the cone-clutch member and bearing against the pinion to normally maintain said pinion in driving cooperation with the shaft to the motor, while. at the same time permitting an undue strain upon the saw to cause a saw. A nut 21 threaded upon the end of the extension of the clutch member 19 holds the spring to its duty.
Secured upon and arranged eccentrically Witli relation to the shaft 11 is a disk 22 on the periphery of which is arranged aneccentrio strap 23 having an upstanding projection 24 and spaced forwardly projecting means 25 rigidly secured thereto. A guide frame of which the eccentric strap forms a part is provided including a lower guide bar 26 rigidly secured at one end between the cars 25 and an upper guide bar '27 fixed at its rear end on the projection 24. The forward end of the bars 26 and 27 are secured in a bracket including an upright member 28 formed with openings 29 to receive the forward 'ends of the guide bars, fastening means 30 being provided for SQCIIIIIIO the guide bars from the bracket. The bracket is urther provided with an outwardly extending lateral arm 31 to which is secured a saw guide comprising a block 32 formed with a saw receiving channel 33, the arm 31 extending outwardly beyond the block for a purpose which will later appear. The bracket is also formed with an inwardly disposed depending lug 34 designed to cooperate with the strip 35 secured upon the upper end of the frame bar 1, whereby to provide for elevating the 'frame and holding it elevated during the transportation .of the machinefrom one position to another. Slidably mounted upon the guide bars 26 and 27 slip of the pinion to avoid breakage of the 36 formed with a rearwar is a saw carrier comprising a metallic plate ly extending lug 37 havinga longitudinally arranged opening '38 therein to slidably receive the upper guide bar 27, said plate being further provided adjacent its lowerend with spaced 7 lugs 39 formed with openings 10 to cooperate with the lower guide bar 26. The carrier is thus slidably held upon the frame and if desired the openings in the respective lugs may be of such size as to receive elongated sleeves to slidably engage the guide bars andthe lug 87 with its threaded terminal engaged by a nut 16 beyond thelug. By thisconstruction the saw blade is clamped between'the hook 44 and'the lugs 41, as will be obvious. The carrier is also provided with a laterally extending pin 17 to receive one end of a connecting rod 48 the opposite end of which is connected to a crank 49 formed on the shaft 11, whereby in the rotationof the shaft the carrier is reciprocated 011 the guide frame. The forward ends of the beams 1 and 2 are provided with lug engaging hooks 50 terminally mounted on pins 51 secured in the beams, brackets 52 secured to the beams in rear of the bolts 51 being formed at their forward ends with openings to fit over the pins 51 beyond the hooks. The forward terminals of the hooks are formed to provide spur engaging pins 53,: peculiarly shaped in that their relatively inner upright edges incline inwardly from-a line at right angles to the main. length of the hook, so that the terminal point of the spur is inwardly beyond such right angle line. Bythis means as the hook is driven into the log it exerts a wedging or holding action to bind the adjacent end of the beam onto the log and secure the machine to the log during the sawing operation. It will be evident that as shown in the drawings that I provide the relatively inner side of each of the beams 1 and 2 with one of the log engaging hooks, so that the forward ends of both beams are anchored to the log being limits of its stroke to more readily perfect aclearness. In elevating the saw for adjustment or the like the extension of the arm 31 of the bracket provides a convenient hand-hold.
,What is claimed is A saw guide and carrier for drag saw machines including guide rods, a plate having rearwardly extending lugs formed with openings to slidably receive the guide rods, the face of the plate having spaced lugs to receive the upper edge of the saw and secure the same between the plate and lugs, the lower edge of the plate being recessed and a. rod mounted for threaded adjustment relative to the plate and terminating in a hook, said hook being operative in the recess of the plate to project the bill of the hook on the same side of the plate as the lugs, the
- hook engaging the lower edge of the saw.
In testimony whereof I affix my signature in presence of two witnesses.
. ELBERT VAUGHAN;
US1913803230 1913-11-26 1913-11-26 Portable drag-saw machine. Expired - Lifetime US1165298A (en)

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US1913803230 US1165298A (en) 1913-11-26 1913-11-26 Portable drag-saw machine.

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US1913803230 US1165298A (en) 1913-11-26 1913-11-26 Portable drag-saw machine.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432562A (en) * 1944-05-13 1947-12-16 Uland S Dill Portable power-driven timber and log sawing machine
US2737984A (en) * 1954-04-05 1956-03-13 Porter Cable Machine Co Hand manipulated power operated saber saw
US2781800A (en) * 1954-11-05 1957-02-19 Walter A Papworth Manually portable bayonet saw with oval stroke

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432562A (en) * 1944-05-13 1947-12-16 Uland S Dill Portable power-driven timber and log sawing machine
US2737984A (en) * 1954-04-05 1956-03-13 Porter Cable Machine Co Hand manipulated power operated saber saw
US2781800A (en) * 1954-11-05 1957-02-19 Walter A Papworth Manually portable bayonet saw with oval stroke

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