US1500671A - Snowplow - Google Patents

Description

July 8, 1924.

K. W. CONOVER SNOWPLOW 2 Sheets-Sheet 1 Filed Jan. 10

yam/@m INVENTOR BY a.

ATTORNEY.$

July 8 1924.

K. W. CONOVER SNOWPLOW 2 sheets sheel 2 Filed Jan. 10 1923 IFJIGLSO H615? Hwy INVENTOR BY ATTORNEY! Patented July s, 1924.

. KENNETH W. CONOVER, OF BELT/EAR, NEVVJERSEY, ASSIGNO'R T EDWARD H.

THOMSON OF BRADLEY BEACH, NEW JERSEY.

snowrtow.

Application filed January 10, 1923. Serial No. 611,906.

ToaZZ whom it may concern.

Be it known; that I, KENNETH W. CON- ovnn, a citizen of the United States, residing at Belmar, in the county of Monmouth and State of New Jersey, have invented certain new and useful Improvements in Snowplows, of which the following is a specification.

This invention relates to snow plows and has for one object the provision of a snowobject of the invention isto provide a snow plow ofsuch form that it will readily penetrate a body of snow and-turn aside the same without being subjected to the direct resistance of the snow. These several stated objects, and other objects "which will appear incidentally in the course of the following description, are attained in such a mechanism as is illustrated in the accompanying drawings, and the invention resides in certain novel features which will be particularly pointed out in the appended claims. In the drawings, which illustrate one embodiment of the invention,

Figure 1 is a perspective view of my im proved snow plow coupled to a tractor;

Fig. 2 is a view partly in longitudinal section and partly in elevation;

Fig. 3 is a plan view of the plow; Fig. 4 is an enlarged side elevation of the front runner and its mounting;

Fig. 5 is a view, partly intransverse section and partly in end elevation, of the said runner and itsmounting, l I Fig. 6 is a detail section of adjusting means employed in the plow;

Fig.7 is a plan view of the parts shown inFig.6; Fig. 8 is an enlargeddetail horizontal section through the front end of the plow;

Fig. 9 is a detail transverse section show; ing the rear runner, and 1 Fig. 10 is a detail elevation of the rear runner.

In carrying out my invention, I employ a point 1 which is of a general triangular form in horizontal section and comprises diverging side plates, as shown most clearly in Fig. 8, the said point extending downwardly and forwardly. on a curved line, as shown most clearly in Figs. 1 and 2, whereby it is adapted to penetrate the body of the snow below the top of the same and tend to lift and push aside the snow without being forced directly and abruptly against the same in opposition to the direct resistance offered by the snow. The upper and lower ends of the point are closed, as shown clearly in Figs. 1, 2 and 3, so that the lower end of the point will have a sufliciently firm bearing upon the lower portion of the banked snow to avoid sinking into the same and the upper end of the point will offer a certain measure of protection to the elements connected therewith to prevent excessive accumulation of loose snow on said elements to interfere with the proper adjustment of the plow. Extending rearwardly from the rear side of the point and preferably formed integral therewith is a plate or bracket 5 having a short standard 14 secured thereto, said standard depending below the said plate or bracket and having a runner 15 pivoted to its lower end. As shown most clearly in Figs. 4: and 5, the standard or post 14 is secured to the plate or bracket 5 by a plurality of bolts inserted through vertically spaced openings in the bracket and the upper end of the postso that, by engaging the bolts or rivets in the proper openings, the runner may be set at-a greater or less distance from the lower end of the bracket and the height at which the point of the plow will work thereby regulated.

I alsoemploy a pair of wings or blades 3 which have their front ends disposed between the'side members of the point and constructed with slots 7 through which are engaged curved rods or bolts 6, the ends of said rods or bolts projecting through openings providedtherefor in the side members of the point and being fitted with securing nuts turned home against'the said side members, this construction tending to prevent spreading'of the side members of the point and also: furnishing a hinged r mo able connection between the wings or blades and the point to permit the wings or blades to be adjusted to the work to be performed.

As shown most clearly in Fig. 3, the wings or blades diverge rearwardly from the point along curved lines, and they are dished vertically so that their upper edge portions project laterally and overhang their lower edge portions whereby, as the plow is forced through the body of snow, the snow will be raised, deflected and rolled over to the sides so that the power required to propel the plow will be much less than is the case where the blades have flat vertical walls and are subjected to the direct resistance offered by the bank of snow. On the inner sides of the blades or wings 3 are provided brackets ency of the same to buckle under stress and also constitute bases or anchoring members for blade-adjusting devices. Disposed mid way'between the blades and extending longitudinally ofthe plow is ,a frame 8 which may be constructed of angle iron or channel bars having their forward portions converg ing and their front extremities rigidly secured to the rear end of the plate or bracket 5. The rear portions of the angle bars or channel irons extend rearwardly beyond the plow and may be rigidly secured to a tractor or other propelling medium. A cross bar or beam 17 is secured rigidly to and extends between the side members of the frame 8 at the rear extremity of the forwardly converging portions thereof, and crossed diagonally extending braces 18 are rigidly secured to the said forwardly conver in ortions so that a ver ri id stron b b b and substantial frame is produced. Upon the cross bar or beam 17 and the side members of the frame 8 are secured guide brackets 0r loops 11 having central raised portions, through which maybe extended bars 4 forming a part of and projecting inwardly from yokes which arerigidly secured to the rearmost brackets 2 or similar bars 9 extending from the intermediate brackets 2. The bar s 1t and 9 are provided with longitudinalseries of openings l6, through which and an opening provided in the central p,or-, tion of the loops or keepersll pins 10 are inserted to retain'the bar-sin any position inwhich they may be set.

To the lower ends of'the rearmost brack: ets 2, I secure runners 13 which maybe of any "suitable fera and. are illustrated as spherical knobs or terminals at the lower ends of attaching .members which may be secured to the said brackets As shown in set at any desired height. I I

a My plow is intended more particularly to be secured to a tractor and driven in advance of the same, as illustrated in Fig. 1, but other forms of propulsion may beem ower edges of the blades or wings thereby ployed. As the plow progresses, the point of the same will enter the body of snow below thesurface of the same and will read- 7 ily penetrate the snowinasmuch as the pointis so formed that its lower end is appreciably in advance of its upper end and the forward edge of the point follows a'parabolic curve so that, as the plow progresses, it will,

tend to lift and cut through the snow instead of merely pushing it aside. The blades or wings diverge" gradually rearwardly from the point so that they will readily fol-.

low the point as it penetrates the snow and will easilydeflectthe snow to form a path of the desired width inasmuch as they are not driven abruptly against the snow but will act upon it in the same manner that the point acts thereon so that, in the use of the plow, there isa constant lifting and rolling i over of the snow wherebyit will be easily turned aside. The runners support the-plow in such manner that it may. move readily over the road bed so that excessive frictional resistance to itsprogress iseliminated and wear upon the lower ends of the point and the wings is minimized. V The connections between the blades and the central support ing frameefi'ectually braces the blades while 7 at the same time permitting suflicient adjustment of the blades to permit the for-' mation of a pathof desiredwidth. It will be readily noted also that the forward. end

ofthe supporting frame is connected with the point so that the direct thrustupon the point is opposed totheentire strength of the frame and the advance of the plow rendered easy. The compact form of my snow plow not only enables it to be driven by the expenditure of a minimum power but adapts the deviceto use on surfaces where weight is undesirable, such as sidewalks, private drives, lawns,-etc;- It may be very easily: Idriven around corners-or turned to make a second path at the side of a previously formed path, traveling in the oppesite direction. a e

- It is to be understood that, while I have illustrated one embodiment of my inventig in the accompanying drawings, the drawings are to be considered as-illustrativeioaly and not restrictive, as various modifications in the minor details of construction may be made without involving any departure from the spirit or scope of the invention as the same is defined in the following claims.

Having thus described the invention, What is claimed as new is:

1. A snow plow including a frame, a point rigidly mounted thereon and having diverging side members, bracing means ex tending transversely between the side members, side wings extending at their forward ends between said side members and pivoted directly to said bracing means to be swingingly connected with the point thereby, and means ooacting between the side wings and the frame for adjustably spreading said wings.

2. A snow plow including a frame, a point rigidly mounted thereon and having diverging side members, arcuately curved bracing means extending between said side members, side wings apertured to accommodate said bracing means and swingingly connected with the point by said means, and

. means ooacting between the side wings and the frame for adjustably spreading said Wings. 7

3. A snow plow including a frame, a point rigidly mounted thereon and having diverging side members, bolts extending between the side members bracing said mem bers, side wings apertured to accommodate said bolts and swingingly connected with the point by the bolts, and means ooacting between the side wings and the frame for adjustably spreading the wings.

4. A- snow plow including a frame, a point rigidly mounted thereon, side wings swingingly connected with the point to extend at opposite sides of the frame, means ooacting between the wings near their rear ends and the frame for adjustably spreading the wings as well as rigidly supporting the rear ends of the wings with respect to the frame, and means ooacting between the intermediate portions of the wings and the frame rigidly supporting the wings medially.

5. A snow plow including a frame, a point rigidly mounted thereon, side wings swingingly connected with the point to extend at opposite sides of the frame, vertically d-isposed plates extending transversely of the wings near their inner ends, keepers mounted upon the frame, yokes connected at their ends to the end portions of said plates and provided with bars extending freely through said keepers, and locking pins extending through the keepers and through said bars rigidly securing the rear ends of the wings in spaced relation.

In. testimony whereof I aflix my signature.

KENNETH W. CONOVER. [1,. a]

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