US 2563758 A
Description (OCR text may contain errors)
Aug. 7, 1951 H. B. TINLING POLE INCISING MACHINE 3 Sheets-Sheet 1 Filed June 12; 1947 Hay/l5 77011)? g (Xtfomeg Aug. 7 1951 POLE INCISING MACHINE Fild June 12, 1947 v s Sheets-Sheet 2 H. B. TINLING 2,563,758 I 3nnentor Hu /1B, Tm/m attorney Aug. 7, 1951 H. B. TINLING 2,563,758
POLE INCISING MACHINE Filed J1me 12, 1947 s Sheets-Sheet 5 Snventor (Ittomeg Patented Aug. 7, 1951 TII-LUNITED STATES PATENT O FFICE It is the principal purpose of my invention to provide a simple effective machine of this character wherein poles to be incised or punched are advanced and rotated beneath a large toothed disk or wheel set at the proper angle to form a spiral path of incisions as the poleis advanced. The incisor disk is freely supported to be turned by the pole and is of such size and weight as to make the necessary depth of cut without additional force being applied.
In the treating of poles that are to be used where rot and decay is an important factor, it is 3 Claims. (01, fin-=2) customary to apply a preservative to that part of the pole which is subject to the greatest damage by decay. For example, in telephone and power line poles, the large end of the pole is usually treated for a distance of several feet. In
order for the preservative to penetrate into the woodflberfi. it is the custom to form incisions through the surface of the pole at short intervals. The cuts are usually made by a chisel-like tool with the edge thereof directed lengthwise of the pole so as to break as few fibers as possible in order to get the proper penetration of preservative with a minimum weakening of the pole itself.
According "to my invention, I utilize a large diameter of wheel or disk to mount a series of teeth for making the incisions in the pole. The diameter of the disk is several times the pole di- 'ameter being treated, in order that the tilting of teeth with respect to the pole as the disk and pole rotate, will be at a minimum such as to prevent tearing or breaking of the fibers to a substantial degree. I support the disk carrying the teeth upon a lever arm, which is normally free to allow the weight of the disk to ride on the pole. The lever arm is provided with a hydraulic cylinder for raising the disk out of the way and allowing a treated pole to be discharged and a new pole to be moved into position. v
The novel features that I consider characteristic of my invention are set forth with particularity in the claims. The invention itself, however, both as to its organization and its method of operation, together with additional objections and advantages thereof, will be best understood from a description of a'specific embodiment when read in connection with accompanying drawings, in" which:
Figure 1 is a plain view of an incising machine embodyingmy invention;
Figure 2 is afragmentary view illustrating the position of the incised part of the pole when a pole is set in the ground;
Figure 3 isa perspective view of a carriage used to support the end of the pole as it is being drawn through the machine after treatment;
Figure 4 is a side view of the incising machine; 4 Figure 5 is a fragmentary view in side elevation of aportion of the incising disk and;
JFigure 6 is an edge view of a portion of the incising disk following the manner of mounting the teeth on the disk.
Referring now in detail to the drawings my invention,- as shown, is adapted to prepare the surface of a pole I for treatment with a preservative by forming on the surface of the pole, over a substantial length thereof, a series of shallow incisions shown at H in Figure 2. This method of preparing the pole surface for the preservative is well-known in the art, but it has heretofore presented considerable difficulty. Many machines of large and cumbersome construction have been built for the purpose of making the necessary incisions. However, according to my invention, I provide a simple mechanism by which the poles may be fed endwise to the incising device, and for that period of time necessary to make the incisions, th poles are advanced spirally while a, large disk several times the diameter of the pole, or an equivalent device carrying the necessary incising teeth, is allowed to ride freely on the pole to make the incisions and then is lifted to permit removal of that pole and the insertlon of a new one.
- The machine as shown best by Figures 1 and 4 comprises two power-driven toothed supporting wheels I2 and 13 which are arranged at a, slight angle to a plane perpendicular to the axis of the pole as it is advanced through the machine. Carriages such as If running on rails i and [6 move the poles to and from the machine. The wheels 12 and I3 are driven by motors I1 and [8 so that they spin the pole l0 and, at the same time, advance it in a spiral direction. The incisor proper comprises a large wheel '20 which is mounted upon a pair of arms H by an axle 22. The arms 2| are pivoted on a bracket 23 by a pivot pin 24, the bracket 23 being secured on an upright wall 25. In order to lift the disk I provide an hydraulic cylinder 25 which has its piston 21 secured by a pin 2-8 to the arms 2|. The cylinder 26 is mounted on a pedestal 29 by means of pins 30 on the cylinder and yokes 3| on the pedestal. A conduit 32 for pressure fluid to the cylinder may be supplied from any suitable source of fluid under pressure as will be readily understood. A two way valve is connected in the conduit 32 to control the fluid supply to the cylinder 26.
The cylinder is coupled to the head 21a of the piston 21 by a pair of links 43 and 44 which are pivoted on the piston head and cylinder respectively and pivoted together by a pin 45. This limits the rise of the piston. The pin and yoke construction shown allows the cylinder to swing about the pins 30 as an axis to accommodate the slight angular movement produced by the swinging of the arms 2| around their pivot pin as the diskiil is; raised and lowered. The disk 20 is braced by a brace rod ll that is pivoted on a. bracket 42 .on the wall 25 at the same level as the bracket 28.
The disk 20 comprises preferably a large circular metal plate. On the opposite sides of this plate there are rows 33 and 34 of chisels. The chisels in the row 33 are staggered with respect tothoseintherow flasshownbyFiguresfi andfi.
3 Each of-the its cutting edge 35 formed by tapering the tip of the chisels :s'o that 'the cutting edge is at substantially right angles to the disk 20. dicated at 39 on the disk so that if one of them becomes broken it may be removed and a new' one welded in its place.
The carriage I4 is supported by su" able wheels 36 and 31 on the rails l5 and l6.' The carriage has a bar 38 at the top thereof to receive the pole in. It is evident that a carriage such as the carriage [4 may bring the poles to the incising machine and another carriage of like construction may be used to remove the poles. This machine, however, is often used in connection with a peeling machine so'that the poles go directly from the peeler over the 'wheels l2 and'l3 to the incising disk 20. In all cases the incising disk is held in raised position during time the pole is advanced to the point where the disk should engage the pole to make the necessary incisions in the desired length of thepolei The operator then merely shifts the valve All to allow the fluid in the cylinder 26 to drain out so that the weight of the incisor disk 20 will reston'th'e pole and extend crosswise of the pole at a slight angle from perpendicular'to the pole.
The pole will be turned in a spiral manner by the wheels l2 and I 3 which in tu'rnwill cause the incisor disk to rotate because of its engagement with the pole and the weight of the disk will cause the teeth on the incisor disk to penetrate the pole. After 'a suflicient length of the pole has been engaged by the teeth, the operator again applies fluid under pressure to the cylinder 26 thereby'lifting the incisor'disk away from the pole where it remains until a new pole is brought into position. Since the disk itself does not have any rotative power applied to it, it may be left in this raised position and does not provide any hazard such as would be the case were it rotated under power.
One of the distinctive advantages of this device as shown in practice, lies in the fact that the disk is several times the diameter of a pole being treated. This reduces the amounting of splintering of the fibers of the pole to a point that is not objectionable, yet, at the same time, it gives a solid mounting for the chisel teeth so that the penetration of the pole is accomplished in a uniform manner. There is, of course, some tilting of the teeth in, the wood because of the small diameter of the pole itself. It is, of course, within the scope of my invention'to provide the chisel teeth upon a different type of'support than the disk, whereby-to'follow the surface of The chisels are welded in place as in-- a spiral path, a toothed incisoizi'iver the path of the pole, a lever arm pivotally mounted at a point laterally spaced from the carriage to swing in a plane parallel to said wheels and supporting the incisor for-vertical swinging movethe pole evenmore closer. Such a support, for 4 example, may embody a traveling belt carried in the same manner that the disk- 20'is carried and caused to-rotate with thepole by' its weight restlngon the pola r f 1 It is believed that-the nature and advantages of my invention will be'understood by those smiled in the art fromthe foregoing'description'and I the accompanying drawings.- Havingthusde scribed my invention I claim:--
1 111m incising machine for poles comprising in combination a pole supporting-carriage mount ed to travel in a 'hoi'izjdntal direction lengthwise of a polethereon, toothed power driven wheels positioned to engage a pole on the carriage and set at aslight angle to aplane' perpendicular to the path of movement'bf said carriage-for his a pole and moving it endwise'simultahecusly anent, a piston supporting the arm and incisor, a
cylinder for said piston, fluid supply means for the cylinderand a control valve for said fluid supply means, the incisor being mounted for rotation on said arm free to turn by engagement with the pole when, lowered thereon.
2. An machine for poles comprising in combination a pole supporting carriage mountcd to travel in a horizontal direction lengthwise of a pole thereon, toothed power driven wheels positioned to engage a pole on the carriage and set at a sli ht angle to a. plane perpendicular to the path of movement of said carriage for turning a poleand moving it endwise simultaneously whereby any particular point on the pole surface takes a spiral path, a toothed incisor over the path of the pole, a lever arm pivotally mounted at a point laterally spaced from the caniage to swing in a plane parallel to said wheels and supporting the incisorfor vertical swinging 'movement, a piston supporting the arin and-incisor. a cylinder for said piston, fluid supplyfineansfo'i' the cylinder and a control valve for said sim ly means, the incisor comprising a di'skbf several times the pole diameter, said disk radially projecting teeth on its'peripheryandbeing -rotai'ably mounted on said levers-rm to estend crosswise of the pole path. 1
3.. An incising machine for poles comprising combination a pole supporting carriage mounted to travel in a horizontal direction lengthwise of a pole thereon, toothed power driven wheels positioned to engage a pole on the carriage-and set at a slight angle to a plane perpendicular to the path of movement of said carriage for turning a pole and moving it endwise simultaneously whereby any particular point on the pole surface takes a spiral path, a toothed incisor over the path of the pole, a lever arm pivotally mounted at a point laterally spaced from the carriage to swing in a plane parallel to said wheels and supporting the incisor for vertical swinging movement, a piston supporting the arm and incisor, a cylinder for said piston, links pivoted on the cylinder and piston and pivotally connected to each other to limit the lift of the incisor, fluid supply means for the cylinder and a control valve for said fluid supply means, the incisor being mounted for rotation on said arm to tum by engage ment with the pole when lowered thereon.
REFERENCES CITED The following references are of rcordinthie file of this patent:
sra'rns ra'mn'rs Charland June 13, 1944