US1811436A - Snowplow - Google Patents

Description

June 23, 1931 A. LuYsTER ET AL SNOWPLOW Filed Nov. 7, 1929 5 Sheets-Sheet 3 m F f W1 n e wm M k 1 3 6 5 j. v/ y 9 mm l ML @1mm a M MQ A f Y Z u... w 7j m \mm ov ,1 O \|ln\w 4 overthe snow;

Patented June v23, 1931 UNITED. -ISTATES PATENT OFFICE Y ABIBAIHZAIVIA LUYSTER AND CULVER 1?. LUYSTER, OF MUSKEGON HEIGHTS, MICHIGAN SNOWPLOW i Application lled November 7, 1929. Serial No. 405,402.

This invention relates to snow plows and v particularly toa snow plow for clearing roads and the'like Vwhich maybe drawn either by draft animals or by a tractor.

,la 4One ofthe objects of the invention is to providea snow plow which is adjustable so that paths lof different widths may be made.

A., further object is to provide means v'whereby the forward end. of the plow may be lifted so as to pass over obstructions such Vastracks which ,the snow plow has to cross. A further object is to providemeans for causing the snow plow to follow a straight c,ourse,"thismeans comprising preferably a sled upon which the operator stands and operatively.- connected to the plow, which sled has snow-cutting runners which will act to hold the plow to its true course.

A further object is to provide a plow' 'W20 whichlmay be easil7 and quickly taken apart or assembled and when taken apart can be f stored in a small space.

Other objects will appear in the course of the following description.

i Our invention isillustrated in the accompanying drawings, wherein l Figure 1 is a top plan view of a snow plow constructed inl accordance with our invention; f

2 is a side lelevation thereof; I

v HFigure 3 is a section on the line 3-3 of Figure 2; n

Figure 4V is a longitudinal vertical sectional view through the plow showing the '55 lever depressed and the nose of the plow raised;

Figure 5 is a fragmentary longitudinal section through the nose of the plow showing the lever raised and the shoe running `Figure 6 is a fragmentary sectional view f on the line 6 6 of Figure 2;

Y Figure 7 is `a section on the'line 7 7 of Figure 1; f l Y Figure 8 is a sectional view through the spacing cross bar and showing a portion of the sides; 1 y Figure'9 is a perspective view of the rack.

Each side of the plow, as shown in Fig- 50 'u'res 2 and 3 is composed of twoboards l() and 11 disposed at an angle to each other and held in this -position by means of steel braces 12 forged to correspond to the pitch of the boards, these braces being bolted to the yside boards by means of bolts 13. Attached to each bottom board is a steel strip 14 fastened by means of wooden screws or the like. This strip is necessary on the lower edge of the bottom board because of the excessive wear at that point. The plow point 15 which is .of steel is bolted 'or otherwise fastened to only one siderof the plow, as for instance, by the bolts 16.. This point 15 is ofsteel and is forged to correspond to the angle of the sides. The forward end of the plow point is reinforced by means of the more or less vertically disposed angle iron 17 which may extend to the full depth of the plow point but which as shown, extends only a portion of this depth and is disposed preferably adjacentv the bottom ofthe plow point.

As will be seen from Figure 1, the plow point 15Vis connected to the side boards on one side of the plow but on the other side the wing of the plow point is shorter and merely abuts against the ends of the boards 10 and 11.

The plow boards are flexibly connected at the noseby two pairs of overlapping eyes 18, the shanls of which extend through the side boards and receive the counter-sunk nuts 19. These shanks of the eyes 18 pass through tubular spacers or sleeves 2O which bear against the ordinarymetallie strips or reinforcing members 21.` These spacers keep the eyes spaced from the sides of the plow.

Extending downward through the eyes is a pin 22, thus securing the forward convergent ends of the side boards together, but permitting them to be adjusted toward or from each other.

Means whereby the rear ends of the side boards may be adjusted toward or from each other is illustrated in Figure 8. This means comprises 4two telescoping pipe Isections 23 and 24, the section 24 telescoping within the section 23. Each of these pipe sections at its ends is pivotally connected to ears 25 which are riveted to an adjacent brace 12.

The section 23 is provided with a single hole ,in Figure 3,. a cross bar formed in twoteleand the section 24 is provided with a plurality of perforations 26 and a pin 27 may beY inserted through the single opening of the member 23 and down through any one ofv the openings 26. Thus it is obvious that the'side boards or wings of the plow may be spaced apart or adjusted nearerv to each other as desired. 1

A handle is providedcomprising,- as shown scopic sections 28 A'and 29. Each of these sections at its ends is connected to an elbow-.3Q which is in turn connected to a vertical pipe 31. Inserted in the lower..ends ofithesepipes are the metal plugs 32, the shanks of whichl are flattened as a't33 and extend, downward "tothe uppermost side boards' 10.,V

Disposed Ybetweenathe Shanks V33l andV the side boards VlO are theangular iiller'blocks- 34 and bolts35 pass through the Shanks 33 and throughV these'filler blocks and through the boards l0, thus holding lthe sideboards in place. vThe 'handle'is thus laterally eX,- pansible or contractible with ythe `adjustment of l the wings' of the plow.V There' is no ynecessity `of pinning the members 28.VV and 29 in adjusted? relationhowever, as all strain lsoV `is taken up by the r adjustable cross lbar formed bythe members 23 and' 24.

'Y Attached' tothe. members 23 and 24and trailing behind` the same isa sled 36 having ,twoV forwardly extending angle y.irons 38 forming draft virons and formed', with eyes 3'? which loosely surroundy the tubular mem-` y ber 23 so that the sled mayV rise and tall. `Thi`s sled'may be formed in any desired Y manner except that it must be provided with two parallel runners 3 8; These are. formed O15-angle iron so disposed that'one Lof the lflanges of'each angle iron extendsstraight downward jasshown in Figure 3 so Vthat these runners willfcutjinto Ythe snow. vThis will.V

cause the snow plow to follow aVA straight courseas the" angle iron runners forcel into the snow but the operators-weight will have altendency' to keep `the snowA plow always running straight..V y L Forthepurpose of'fraising thenose of the plow when an-obstruction`l is met with, as for ,pinst-'ancegy when` the Plow is about tofcross -serted in sockets formed inA theside; boards brenttvas atv4l1'fa'nd normally lies fiat upon snow orice and isv preferably ofdjouble thickness. Ordinarily thisfshoe 42 willride upon V the snowv as before described but when Y es railroad tracks or the like, weiprovidea lever shownl best inFigure 2'andj designated 39, this lever being formedI lof a single piece of strapiron twisted at" and welded to a ltransverse cross',v bar constituting trunnions and designated'V41.v This cross bar.` 41' is zinc iothat' it mayhave' lfree rotation. Y

v.The lower end' of: th'e leverv is'angularly the handle fof thelever is depressed, the-shoe ofthe lever'will be forced downward, thus lifting the forward end of the plow. LThe lever is held in its adjusted positionY at its rear end by operating over the rack 43, the rack being provided With' the teeth 44 and having the guide iron 45 attached thereto.

This rack is bolted in the side boards 10 through the Ytriangular 'blockV 46,. This lever makes it possible toraise the front end "ot the" plow so asrto clear'all obstructions.

Thevzshoe 4.2Y of the lever-v maybe held down for any desired length of time by engaging thegfhandle of the lever in any one of the notches of .the rack, 43. This makes it particularly-convenientl ifa series otV Vrailway tracks have to bev crossed. When the series of tracks have beenjcrossed, the lever will remain in' neutral .position of its own accord'with :full length of theishoe running onthesnow: L 'n i The plow may vbe, connected to any suit- 'able draft means, but'we', havel shown for this I purpose a clevis 47' formed of metal bent into .an approximate V form jwith a coil 48 y'formed at the'jforwardl end. of the V, the rear ends ofthe legs beingfhooked and engaging with eye bolts 49 extending through the side boardsjl'O as shown in Figurel. This leaves the clevis-free to move up ordown and at'the same time forms a very simple way. of connecting thefd'raft animalor dratt'fmeans'to the plow.

i' vWhile, ot course, we do Inotwish to` be limited toE any particular y'dimensi'ons, 'we' may say that` for the sake ofiilhistration,Y the plow will have an over-allle'ngth of approximately eight gteet and height of nearly three feet'.V l Y The wings off the plow. maybe expanded an over-,all

or contracted 'to 'make'fpaths offditferent widths'an'dA thisjadjustment is very readily secured-by meansk shown ,inV Figure 8, YThe weight of the operator on Vthe sled willforce the angle" iron runners intoVV the snow so that the plow will tend to run straight atallr1 times..k The lever whereby the nose @ofthe plowis lifted or lowered is conveniently dis' posed with relation Ato the operator ontlie V'sled so that the noseof` the'plow at; anymof.Y ment may; be raised: ifi desired. Y V[It-will be. obvious that by withdrawing `the pin 22` and removing` the` members 23 and 24 from k'their engagement with eachother, the two sections of .the plow maybe readily lseparated Vso that the plow may be stored; in l Y compact form withouttaking upvery much room and 'that'by thistmeans the plowrmay be as'readily removed. v 5 e j v This plow willy be made preferablyV in@V two sizesand willbemade of steel Vor wooda` We claim 1L In a plowy ofthe character described,

Y-iorwardly convergentl wings pivotall'y' engaged with each otherfattheir forwardends.

an adjustable. crossbar engaging the wings each other, the eyes of one wing overlapping the eyes of the other, a pintle insertible through said eyes to pivotally connect the two wings of the plow to each other, means vadjacent the rear end of the plow whereby the wings may be held in adjusted relation nearer to or further from each other, and a metallic nose Vshaped in cross section permanently attached on one side to one wing of the plow and projecting forward therefrom but unattached tothe other wing of the plow and atv the rear end closing the gap between said wings.

3. In a snow plow, forwardly convergent wings, each wing consisting of an upper board and a lower board disposed in angular relation to each other, braces holding the boards in angular relation to each other, means pivotally engaging the wings at their forward ends, means adjustably connecting the wings at their rear ends whereby the width of the plow may be varied, a sled operatively connected to the plow and disposed between the wings, a telescopic handle bar formed of two sections, each section being operatively connected to one of the wings, and a plow point connected to one of the wings of the plow at the forward end thereof, but unconnected to the other wing of the plow. j

4. In a snow plow having forwardly convergent wings, means for raising the forward end'of the plow comprising a lever disposed between the wings of the plow and pivotally mounted upon said wings adjacent the nose of said plow, the upper end of the lever extending rearwardly, the forward end yof the lever extending downward from said pivot point and then extending rearward and adapted to travel'over, the surface of the snow, that portion' of the lever below the pivot being flattened to form a shoe, and extending rearward and then extending forward and upwardly.

5. In a plow of the character described, two convergent wings spaced apart at their forward ends and pivotally and detachably connected to each other whereby the wings Y may be shifted into or out of a more or less convergent position, means adjacent the rear end Vof the plow whereby the wings may be held in angularly adjusted relation nearer to or further from each other and a metallic nose V-sliaped in cross section permanently attached on one side to one wing of the plow and projecting forward therefrom but unattached to the other wing of the plow and extending to the adjacent edge of this wing said nose closing the gap between the wings.

In testimony whereof we hereunto affix our signatures.

ABRAHAM LUYSTER. CULVER P. LUYSTER.

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