US934618A - Sled-coupling. - Google Patents

Description

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H. H. MOHR.

SLED COUPLING.

APPLIOATION FILED MAY 10. 1909.

i i y HARVEY H. 'MOEE, 0F MISSOULA, MONTANA.

SLED COUFLENGr.

Specification of Letters man-a at t m; at, 1-9 9;

Applicationiiled May 10, 12269; Serial No. 495,061.

To all wlwm alt may concern:

Be it known that 1, Hanvnr H. Mona,

residing at Missoula, in. the county of Misssonlaand State of Montana, have invented castings is the reach member 7 that is formed of two 4X6 timbers, the outer ends certain new and usefulv Improvements in Sled-Couplings, of which the following is a specification.

My invention, which generally relates to improvements in bob or logging sleds,

more specifically comprehends a new and improved construction of parts especially designed for coupling the front and back sled members that efitectively serves to hold the said sled members coupled under all ordinary conditions of travel and u' 'hereby the beams of the front and bind sleighs are perfectly free and each sleigh independent of the other and in which the coupling devices are particularly constructed and arranged so" that they may be quickly lifted oil and disconnected from the front and rear sleds and put onto other sleds, in case those from which they are removed are broken or disabled.

lVith other objects in View that will hereinafter appear, my invention consistsin certain details of construction, and peculiar combination of parts all of which will be hereinafter fully described, specifically pointed out in the appended claims and illustrated in the accompanying drawings, in which:

Figure 1, is a plan view of my invention. Fig. 2, is a side elevation thereof, partly in section. Fig. 3, is a transverse section taken on the line 3 3 of Fig. 2. Fig. i, is an enlarged detail central vertical longitudinal section, showing the manner of connecting the tongue to the coupling member.

In the practical application of my invention, the front and rear sleds, designated A and B, may in the general contour be of any approved type. In the present drawing they each consist. of the oppositely disposed runners a-a and b-?) that are joined by the cross beams 12, the outer ends of each of which are fixedly held by the strap bands 1020, and the angle plates 21 as best shown in Fig.

3 designates a cross bar that transversely joins the front ends of the rear sled runners, the ends being reduced to form bolts to receive clam nuts 30'-30.

On each sleigh beam, centrally thereof, is mounted a beam castin, 5, in the nature of a rectangular hollow ody that on top of the beams, each of said castings being held 'by a sing-lo lain-g bolt 6 that extends tlirong h the sleigh beam or bolster.

Freely slidable through the two hollow in the reach member and as they pass down into the cross beams, hence the two beams are perfectly free for movement independently of each other and furthermore the draft or reach member is sl-idable backwardl-y or forwardly by the draft strains thereon independent of the back or forward movement of the sleds.

The bar 4 on the rear sled is connected by i tho flexible' or crossed chains 9 9, the rear ends of which are linked to the opposite ends of the cross bar 4, the front ends being linked to the cross beam- 2 of'the front sleigh.

The cross bar 3 of the front sleigh has a draft or coupling member 12 to the rear end of which is connected a draw head 13, hav ing shank 13 of a size to freely slide between the outer ends of the timbers 7-7 and the end cap plates thereon, and the said draw-head has the usual apertures 13 for the coupling pin and in the present case its rear end is apertured to receive a buffer bolt 14, that has a head 14* for coacting with the butter spring 15, that fits around the bolt 14 back of its head. The outer end of the bolt 1-! passes through the aperturcd end of a substantially U-shaped clevis, secured between the members 7--7 and the said end has a slot 14 to receive a key 16,, as clearly shown in Fig. 4, from which it will be readily apparent that by reason of connect ing the draw-head to the clevis and the clevis to the draft or reach member, the spring 15 acts as a buffer when the drawhead pulls forwardly or backwardly.

To the front and to the rear ends of the coupling member 12 are fastened stra irons 18-18 that take over the upper ant, lower face of the ends of the said member 12 to which they are secured by aolts and nuts, and whose outer ends are e-Xtended to form coupling members 18 the said members having elongated slots, as at 18*, to f0rm, as'it were, the links for coa'ctingwith the coupling pin.

3 designates the front cross bar for the front sled runners, that has a tongue 3 that rojects forwardly under the coupling memequipped with a coupling or draw head constructed exactly similar to the draw-head at r of parts as shown and described any the other end.

[From the foregoing description taken in connection with the accompanying drawings it is'believed the. complete construction, ad-

wanta es and the manner in which" my con- I struction of bob or logging sled may be used will be readily understood.

By reason of providing the arrangement desired number of sleds may be coupled together and in such manner as to provide a simple means for pulling them and with 'theii loads evenly distributed.

What I claim is:

' 1. As an improvement in' logging sleds, the combination of a front and a rear bob, each includin a transverse beam, a hollow casting pivota ly bolted to each of said beams,

mit assa'ge of the casting bolt, and crossed beam, a hollow castin a "reach member sl-idable through said castings and having a longitudinal slot to perflexi le connections between said bobs, substantially as shown and described.

2. As an im rovement in logging on other I sleds, the com ination of a front and a rear bob, each including a transverse beam, a flat hollow casting mounted on each of the trans- 45 verse beams, a king bolt connection for each casting for removabl-y securing the same on the transverse beams, a reachbar slidable' in the castings, said bar having a draw-head at each end and the forward bob having a 5 draft tongue as set forth.

'3. The combination with the front and rear bobs relatively indepe'ndently'mdvable,, each of said bobs including a transverse removaloly supported on each of sai beams central y thereof, a draft tongue connected to the' front bob, and flexible members that jo'i n'thei rear bob to the front bob; of the reach member slidably held in the hollow castings, a buffer drawhead mounted on each end of the said member, and a coupling bar having strap irons on each end, shaped to form links for coactin with the coupling pins of the drawhead, a] being arrangedsubstam 5 tially as shown and for the purposes described.

HARVEY n. Mona.

Witnesses: i a a Orms. H. RICHARDSON, R. J. BROWN.

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