US1269633A - Sleigh-pole attachment. - Google Patents

Description

I. MUZZY. SLEI GH POLE ATTACHMENT. APPLICATION FILED nc.11.19n.

Patented June 18, 1918.

UNITED STATES PATENT oEEIoE.

JOHN MUZZY, OF WARBA, MINNESOTA.

SLEIGH-POLE ATTACHMENT.

Application filed December 17, 1 917.

To all whom it may concern:

Be it known that I, JOHN Muzzy, a citizen of the United States, residing at Warba, Minnesota, in the county of Itasca and State of Minnesota, have invented certain new and useful Improvements in Sleigh- Pole Attachments, of which the following is a specification, reference being had therein to the accompanying drawing.

This inventionconsists of certain new and useful'improvements in pole and cross chain attachments for sleighs and relates particularly to such devices in connection with logging sleighs and the like upon which very heavy loads are transported.

One object of the invention is to provide means whereby the front bob of the sleigh, when loaded,may be more easily started than heretofore.

Another object is to provide a pole connection which will result in a less number of poles bein broken during the process of starting the s eighs than heretofore.

To those versed in the art of logging, the dangersaccompanying the process of yawing the front bob of a loaded sleigh are well known, and which results, in some logging camps, in as man as from four to six broken poles in a single ays Work and to overcome alarge portion of such expense and annoyanceis another object of theinvention.

When the front bob is being yawed the runners will invariably move in opposite directions or at least one will respond with considerable longitudinal movement and to make more easy such movement is another object of the invention.

Another object is to provide means whereby the cross chains may be more easily and uniformly applied to the bob sleigh than heretofore. 1

Still other objects and advanta es will appear in the further description 0 the in vention.

Referring to the accompanying drawings forming part of this application and in which like reference characters indicate like parts;

Figure 1 is a top plan view of a fragmental portion of the bobs of a logging sleigh equipped with my improved attachment of cross chains and pole and roll c011- nection,

Fig. 2 is a central vertical section through the pole and roll connection,

Specification of Letters Patent.

Patented June 18, 1918.

Serial No. 207,440.

Fig. 3 is a sectional View through the hole in the beam of the front bob showing the cross chain therein with the locking chain applied, and

Fig. 4 is a perspective view of one of the locking chains.

1 represents the bunk or bolster of the front bob of a logging sleigh, 22 the runners, 3 the roll, 4 the tongue or pole and'55 the pivotal, or sometimes called the tomkin pins of the roll and which unite it with'the runners.

' In my improved pole and roll connection, the latter has a vertical hole 6 centrally therethrough and elongated longitudinally thereof over which the former is placed, it also having a hole 7 to register with the hole inthe roll. Through these registering holes the draft chain 18 extends, it being attached to the under side of the .pole at one end to the eye bolt 17 and the opposite end carrying a suitable hook 19 with which the clevis 20 of the draft evener 21 is readily engaged.

By this arrangement the pole is compara tively free to move laterally a limited dis tance, though as is evident, any forward draft upon the chain 18 will tend to hold the pole and roll tightly together.

This lateral motion of the pole is to permit of more direct turning stress coming upon the ends of the bolster 1 than is the case when the pole and roll are rigidly united and which will appear in thefurther description of the invention. The end 8 of the pole, extends inwardly a considerable distance beyond the roll and has a metal cap 9 fitted over the end thereof, and upon the sides of which cap are formed integral therewith laterally projecting lugs 10. To each of these lugs is attached a short chain 11 leading to its respective end of the roll where it is connected in any desired manner, preferably to a link 12 surroundin the tomkin pin 5 intermediate of the end of the roll and the end of the adjacent runner. Spaced a predetermined distance forward of the roll and upon each side of the pole is a suitable strap 22, they being securely attached to the sides of the pole by suitable bolts 14. Upon the inner end of each strap 22 and formed integral therewith is a grab eye 13 through which a chain-'15 is designed'to pay, it being securely held by any predetermined link in the chain, said form of grab eyes being com mon in the art. Each of the chains 15 leads to its respective corner of the beam 1 and passes through a suitable hole 16 formed horizontally therethrough. From this point each chain extends diagonally across the space intermediate of the two bobs of the sleigh to the opposite corner of the roll on the hind bob where it is connected to the tomkin pin 23 of the hind bob, preferably'in a manner similar to that of the connection of the chains 11 with the front bob tomkin pins. In this manner the chains 15 which lead to the sides of the pole and act as the draft chains also form the cross chains between the two bobs of'the sleigh.

It is obvious that these chains must not be allowed to freely reciprocate within the holes in the beam and to avoid this and yet permit of proper adjustment of the chains I provide a short locking chain 24: having agrab ring 25 at one end and a grab hook 26 upon the opposite end.

In the common construction of logging sleighs where the forward end of the cross chains are fastened directly to the ends of the front beam it is well known that they frequently Vary in length, often one side being long and the other short and frequently both being too long which results in very poor tracking of the hind bob, while with my; present form of cross chains passing through the front beam and connected with the tongue they may be quickly adjusted to operate uniformly, and secured by the locking chains 2% at any degree of tension desired. Furthermore, the draft coming largely upon the beam of the forward bob will reduce to a -minimum the danger of breaking the pole or its connection with the roll.

In connecting the chains to the pole I first attachthe short chains 11 which extend from the cap 9 to the tomkin pins of the front roll and then raise the forward end of the .pole, which will depress the inner end having the cap thereupon, the pole riding upon the :roll as isobvious, then pass the free ends of the chains 15 through their respective grab eyes 13 attached to'the sides of the pole and make fast at the predetermined point. desired, which will draw all of the chains taut, when the pole is lowered to its normal working position. After this is accomplished the locking chains 24: are drawn up with the grab ring 25 straddling the first linkfo-rward of the beam and the grab hook 26 on the first link behind the beam which prevents any paying of the chain therethrough, the grab ring of each locking chain having first been strung upon its respective chain 15 before finally attaching the latter to the pole.

It is apparent that that portion of the chains 15 extending from the forward beam to the pole may be still further shortened if desired with the view of taking more of the weight of the pole from the horses necks, and, for which purpose, special appliances of various kinds are now commonly resortedto.

I have shown at 27 and 28 wearing plates attached to the upper and lower faces of the pole to provide against abnormal wear intermediate of the pole and roll andthat may be caused by the chain 18 which however, may or may not be used as desired.

With this form of construction it is found that both the pole and the roll may be made of much lighter material and smaller than heretofore.

It is to be understood that Various modifications of the specific construction shown and within the scope of the invention may be resorted to without departing from-the spirit thereof.

Having thus described my invention, what I claim as new and desire to secure by- Letters Patent, is:

1. The combination with awsleigh of the character describedhaving a front bob, a hind bob and pole, of cross chains leading from the tomkin pins of the hind bob to and through the ends ofthebeam of the front bob and thence to the sides of the pole at a point forward of the roll of thefront hob and means for locking the chainsagainst reciprocal motion through the beam.

2. The combination with a sleigh of the character described having a front hob and a hind bob, of a pole resting upon the roll of the front hob and extending rearwardly of said roll, cross chains leading from the tomkin pins of the-hind bob to and through the ends of the beam of the frontboband to the sides of the pole at a-point in front of the roll, chains connecting the inner end of the pole with the tomkin. pins of the front bob, means for .slidably holding the pole on the roll andmeans for holding the cross chains against longitudinal movement in the beam.

3. The combination with a sleigh-ofithe character describedhaving a front hob and a bind bob, of an elongated hole through the center of the roll of the front bob, a pole slidably resting upon the roll-of the. front hob and having a hole therein registering with the hole in the roll, said pole extending inwardly a predetermined distance beyond the roll, a draft chain having one end fixed to the under side of the pole in front of the rollv and passingiupwardly through the holein the roll and the hole inthei pole, the free end of the draft chain beingprovided with means of attachment-to adrawing evener, short chains connecting themner end of thepole to the two ends of, the roll and long chains extending from the sides of the pole in front of the roll to. and through the ends of the beam on the front bob and thence diagonally tothe ends of the roll of the hind bob and short locking chains carried by the long chains for holding the latter against movement in the beam.

4. The combination with a sleigh of the character described having a beam, pole and roll, of means at the rear of the roll pivotally supporting the pole, means connecting the pole with the roll and permitting of lateral movement of the former and means attached forward of said pole and roll connection and extending to the ends of the beam.

5. The combination with a sleigh having a beam and roll; of a one piece pole extending inwardly beyond the roll and slidably mounted thereupon, means for supporting the inner end of the pole and means whereby the lateral movement of the pole imparts a forward draft upon either one end or the other of the beam.

In testimony whereof I hereunto aifix ,my signature in the presence of two witnesses.

JOHN MUZZY. Witnesses:

ADENA E. CARLSON, SWAN CARLsoN.

00,10: of this patent may be obtained for five cents each, by eddreuing the "commissioner of Potato,

Washington, D. 0.

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