US1588969A - Sawing outfit - Google Patents

Description

A. J. LEMMER SAWING OUTFIT Jun 15 1926 June 15 1926.

A. J. LEMMER SAWING OUTFIT Filed April 28. 1925 2 Sheets-Sheet 2 Patented June 15, 1926. I

UNITED STATES ANDREW J. LEMMER, OF ROLLING STONE, MINNESOTA.

SAWIN'G OUTFIT.

Application filed April as, 1925-. Serial No. 26,426.

This invention relates to certain improvements in sawing outfits and it is an object of the invention to provide a device of this general character adapted to have the saw driven by the engine of a motor driven vehicle, such as a tractor.

Another object of the invention is to provide a device of this kind which, when in working position with respect to the motor driven vehicle for a sawing operation, has a portion thereof supported directly upon the axle of the vehicle whereby undue vibration of the radiator or other parts of the body of the vehicle as would otherwise be created by the sawing outfit is avoided.

Another object of the invention is to provide a device of this kind constructed in a manner to permit the same to be readily hitched to a tractor or the like when it is desired to transport the outfit from one location to the other and wherein the outfit is so constructed that when it is in working position for a sawing operation ready access may be had at all times to the crank for the motor.

It is also an object of theinvention to construct an outfit of this character in a manner whereby an unobstructed driving connection may be had between the saw shaft of the outfit and the pulley of a tractor and whereby the raising of the front Wheels of the tractor avoids the use of a belt tightening device. 1

The invention also has for an object to provide a device of this general character provided with a sliding table movable with respect to the saw to facilitate the desired cutting of the work.

The invention consists in the details of construction and in the combination and arrangement of the several parts of my improved sawing outfit whereby certain 11nportant advantages are attained and the device rendered simpler, less expensive and otherwise more convenient and advantageous for use, as will be hereinafter more'fully set forth.

The novel features of my invention will hereinafter be definitely claimed.

In order that my invention may be the betterunderstood, I will now proceed to describe the same with reference to the accompanying drawings, wherein b Figure 1 is a view in side elevation of a r sawing outfit constructed in accordance with an embodlment of my lnvention, the coact-- ing tractor being diagrammatically indiizated by broken lines with'the pulley in full mes;

Figure 2 is an enlarged fragmentary sectional view taken substantially on the line 2-2 of Figure 1;,

Figure 3 is a view'in perspective of the. table as herein disclosed unapplied;

Figure 4 is a View in. elevation of my improved device withthe draft tongue appliedthereto;

Figure 5 is a view in top plan of the structure as illustrated in Figure 1 with the table removed.

As disclosed in the accompanying drawings, my improved'outfit comprises two parallel beams 1 of requisite dimensions having their forward ends substantially in transverse alignment with the rear portion of one of the beams extending a desired rearwardly of the second beam. The rear portions of the beams 1 are connected by the transversely disposed members 2, while the forward extremities of said beams 1 are connected by the transversely disposed member 3, said members 2 and 3 serving to maintain the beams 1 in desired spaced relation.

Suitably secured to and underlying the rear portions of the beams 1 is a transverse ly disposed axle 4 the extremities of which extending a desired distance beyond the beams 1 and having mounted thereon the supporting wheels 5; Underlying the forward end portions of the beams 1 and secured thereto are the plates 6 the outer end portions of which being provided with the sleeves or barrels 7 whereby the forward end portions of the beams 1 may be coupled by the pins 8 or the like to the hitch members 9 clamped or otherwise secured to the front axle A ofthe tractor T or kindred motor driven vehicle, said tractor being preferably end portion of said tongue X being adapted to be coupled in a well known manner with the conventional hitch of the tractor so that when desired the outfit may be readily trans ported from one locality to another. This tongue X may be readily and conveniently removed and applied as the occasions of practice may require.

Each of the beams 1 at the rear portion thereof is provided with the upstanding longitudinally spaced posts 1%, the upper portions of which being connected by a horizontally disposed beam 15. The forward post 1% carried by one of the beams 1 is disposed on an outward incline to assure no hindrance or obstruction being offered to the drive belt D coacting with the pulley P and the pulley 16 fixed to the saw shaft 17. I

T he saw shaft 17 is rotatably supported by the upstanding bearings 18 carried by the horizontally disposed beams and extends outwardly beyond one of such beams, said extended .portion of the shaft having fixed thereto in a well known manner a circular saw S. The beam adjacent to the saw S, as herein disclosed, extends a desired distance rearwardly of the beam 1 therebelow. Suitably secured to the upper surface of this horizontally disposed beam 15 rearwardly of the shaft 17 is a wear plate 19 and ext-ending transversely of the beam 15 immediately adjacent to the rear end of the plate 19 is the stop plate 20 projecting beyond opposite sides ofsaid beam. Rotatably supported by the side faces of this beam 15 and extending laterally therefrom are the rollers 21 which are engaged by the flanges a of the elongat ed members a 22 U-shap'ed in cross section the rear end portions of each of said memy bers being connected by the transversely disposed member 23 to provide means whereby the members 22 will have unitary endwise movement in either direction.

At a predetermined point inwardly of the member 23 and also rearwardly of the saw S when the members 22 are at the limit of their rearward movement is an upstanding bracket 24 in the form of an inverted U and of a height to readily pass over the saw S as the members 22 are advanced. The forward end portion of the outer member 22 has secured thereto an upstanding bracket 25 also substantially U-shaped in form with its inner side member 25 terminating above the adjacent beam 15 and above the plane occupied by'the shaft 17. The forward end portion of the inner member 22 has pivotally engaged therewith a short arm 26 adapted to be bolted or otherwise dctachably connected with the free end portion of the shorter arm 25. V/ith the arm 26 detached from the arm 25 and swung downwardly the b acket-25 may readily pass over the shaft 17, particularly in assembling the device. Connect ed to the arm 26 and to the cross member 2? connecting the beams 15 is a retractile memher or spring 28 which operates to constantly urge rearwardly the members Mounted upon and sultably secured to the upstandmg brackets 24 and 25 1s a guard G, said guard including an outer side plate extending over and terminating below the outer face of the saw S and with an inner side plate terminating above the shaft 17.

The rear portion of the inner member 22 has secured thereto an outstanding and laterally disposed arm 29 braced or reinforced by the arm 30 interposed between and secured to the outer end portion of the arm 29 and to the inner member 22 at a desired point in advance of the arm 29. The arm 29 at its outer end portion is provided with an enlargement or cushion 31 against which the body of the aperture is adapted to press to force the members 22 in a direction toward the saw S so that the work positioned upon the plate 19 will be moved by the cross member 23 into proper engagement with the saw S.

It is to be noted that with my improved outfit the front axle of a tractor provides supporting means therefor whereby the radiator or other parts of the vehicle are not subjected to any undue vibration and it will be further readily understood that no tightening device need be employed in connection with the belt D as the belt may be readily maintained taut by raising the front wheels of the tractor which may be readily done by a board or the like. Furthermore it is to be noted that the connection of the beams 1 with the front axle of the tractor is such to permit ready access to the usual crank for starting the motor of the tractor.

From the foregoing description it is thought to be obvious that a sawing outfit constructed in accordance with my invention is particularly well adapted for so by reason of the convenience and facility with which it may be assembled and operated, and it will also be obvious that my invention is susceptible of some change and modification without departing from the principles and spirit thereof and for this reason I do not wish to be understood as limiting myself to the precise arrangement and formation of the several parts herein shown in carrying out my invention in practice except as hereinafter claimed.

I claim 1. A sawing outfit comprising, in combination, a supporting structure including a beam, asaw shaft rotatably mounted upon said structure and extending outwardly beyond the beam, a saw carried by said outer portion of the shaft, guide members supported by the structure at opposite sides of the beam, a pair of parallel beams positioned at opposite sides of the first named beam and supported by and movable over the guide members, said parallel beams being arranged below the shaft, an upstanding bracket connected to the parallel beams, said bracket being substantially in the form of an inverted U and of a height to pass over the saw as the parallel beams are moved relative to the saw, a second upstanding bracket carried by one of the parallel beams and also substantially in the form of an inverted U, one of the side arms of said second bracket being shorter than the other, the long arm of said second bracket being directly connected to a parallel beam, a short arm pivotally connected to the second parallel beam, means for connecting said short arm when in a raised position to the free end portion of the short arm of the second bracket, said short arm when lowered permitting the second named bracket to pass over the shaft, and a guard secured to the brackets, said guard including an outer side plate terminatlng below the saw and an inner side plate terminating above the shaft.

2. A sawing outfit comprising, in combination, a supporting structure including a beam, a saw. shaft rotatably mounted upon said structure and extending outwardly beyond the beam, a saw carried by said outer portion of the shaft, guide members supported by the structure at opposite sides of the beam, a pair of parallel beams positioned at opposite sides of the first named beam and supported by and movable over the guide members, said parallel beams being arranged below the shaft, an upstanding bracket connected to the parallel beams, said bracket being substantially in the form of an inverted U and of a height to pass over the saw as the parallel beams are moved relative to the saw, a second upstanding bracket carried by one of the parallel beams and also substantially in the form of an inverted U, one of theside arms of said second bracket being shorter than the other, the long arm of the bracket being directly connected toa parallel beam, a short arm pivotally connected to the second parallel beam, means for connecting said short arm when in a raised position to the free end portion of the short arm of the second bracket, said short arm when lowered permitting the second named bracket to pass over the shaft, a guard secured to the brackets, said guard including an outer side plate terminating below the saw and an inner side plate terminating above the shaft, and a retractile spring interposed between and secured to the short arm of the second bracket and to the supporting structure for urging the parallel beams rearwardly.

In testimony whereof I hereunto afiix my signature.

ANDREW J. LEMMER,

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