US391662A

US391662A - Harness-pad

Info

Publication number: US391662A
Authority: US
Publication date: 1888-10-23
Anticipated expiration: 1905-10-23

Description

(No Model.) i

J. THOMAS.

, HARNESS-PAD. No. 391,662. Patented Oct. 23, 1888.

barren rares Farrar Orrick.

JOHN THOMAS, OF CEDAR RAPIDS, IOWA.

HARNESSQPAD.

SPECIFICATION forming part of Letters Patent No. 391,662, dated October 23, 1888.

(No model.)

To aZZ whom it may concern:

Be it known that I, JOHN THOMAS, of Oedar Rapids, in the county of Linn and State of Iowa, have invented a new Improvement in Harness-Pads; and I do hereby declare the following, when taken in connection with the accompanying drawings and the letters of reference marked thereon, to be a full, clear, and exact description of the same, and which said drawings constitute part of this specification, and represent, in-

Figure l, a rear View of so much ofthe pad as is necessary to illustrate theinvention; Fig. 2, a vertical central section of the same; Fig. 3, a transverse section through the yoke and upper end of the jockey; Fig. 4, an outside view of the jockey detached; Fig. 5, a central section of the yoke-plate A detached; Fig. 6, an under side View of the said plate A detached; Fig. 7, an edge view of the under yoke-plate, B, detached; Fig. S, an upper side View of the said plate B detached.` Fig. 9 illustrates the method of engaging the jockeys with the Tshapcd studs of the lower plate, B; Fig. 10, a modification in the formation of the studs.

AThis invention relates to an improvement in that class'of harness-pad plates which are made from metal, and is an improvementupon the invention for which Letters Patent were granted to me Novemberl, 1881, No. 249,693. In that invention the metal jockeys are hinged to a central yoke which forms the connection between the two jockeys.

The object of my present invention is to simplify the construction, but yet retain sub stantially a hinge-connection between the jockeys and the yoke, so as to allow a certain freedom to the jockeys; and the invention consists in the construction as hereinafter described, and particularly recited in the claims.

The yoke is composed of two parts, A representing the upper or outer part, and B the inner or under part. They are plates of substantially segment shape, the upper plate being constructed with a flange, a, on its edges, as seen in Fig. 3, which covers the edges of the under plate.

C C represent the jockeys, which, aside from their connection with the yoke, are substantially the same asin my patent,No. 335,161, dated February 2, 1886.

The jockeys are constructed with a terret hole, D, and at their upper end are constructed with a central notch, Z1, and with a slot, d, in the same central line with the notch b, and as seen in Fig. 4.

llhe upper plate, A, of the yoke (see Figs. 5 and 6) is constructed with a central hole, f, for the water-hook, and upon its under side with downward-projecting.T studs g g at the ends,and like studs, 7i, distant from the studsg equal to the distance between the notch b andthe lower end of the slots d in the jockeys. These studs form also bearings against which the lower plate, B, of the yoke may rest when clamped together by the water-hook D, as seen in Fig. 2. The lower plate, B, is constructed. with T- shaped studs t' upon its upper surface, (see Figs. 7 and 8,) the position of the said studs it being between the studs g h at the respective ends of the upper plate, A, and so as to stand between them, as indicated in Fig. 2. The lower plate, B, is also constructed with a central hole, l, through which the water-hook passes as a bolt to secure the two parts together, as before described. The studs in both plates are all in the saine central line as the notches and slots of the respective jockeys.

The cross of the T-shaped studs t' t' is transversely across the yoke and in length and width no greater than the length and width of the slots d. The length o f the stud between the plate and the cross is somewhat greater than the thickness of the jockeys at the slot.

To assemble the parts the slotted end of the jockey is set on over the T-shaped studs, as seen in Fig. 9, the jockey being turned to bring the slot d into line with the cross of the studs t', and then after the cross has passed through the slots the jockey is turned, as indicated in broken lines, Fig. 9. Each jockey is thus applied and drawn downward until the upper end of the slot will come substantially to a bearing against the body of the studs t. Now the upper plate, A, is applied, the studs henter the notches b of the respective jockeys, while the studs g will enter the respective slots d and substantially bear against the lower end of those slots, as seen in Fig. 2, and then the two plates are clamped together. The distance between the two plates is sufficient to allow a limited amount of freedom to the jockeys. The cross of the T-shaped studs holds the ICG jockey in place as hinges, permitting a limited amount of play, sufficient for all practical purposes, while the studs gh prevent lateral movelnent of thejockeys. The jockeys are therefore firmly interlocked with the yoke, and the construction by which the independent jockeys are thus connected through the yoke is simple and cheap, yet very effective.

The particular construction of the jockeys below the connection with the yoke is immaterial; yet I prefer that shown and before referred to as described in a former patent.

I prefer to make the studs z' of T shape, as I have described, because of making the hingelikc connection between thelower plate ofthe yoke and thejockeys; but the cross of the T may be omitted, as seen in Fig. 10, and yet form a desirable connection between thejockcys and the yoke. I therefore do not wish to be limited to constructing the studsvl with the cross.

I claiml. In a harness-pad, the combination of the central yoke composed of the outer and inner plates, A B, thc adjacent faces of the said plates constructed with studs in the central line of the yoke, a pair of jockeys each constructed with notches and openings in cent1-al estesa line corresponding to the studs between the plates of the yoke and adapted to set between the said two plates, the said studs cngaging the notches and openings in the said jockey, and the said plates clamped together, substantially as described.y

2. The combination of the yoke composed of the outer plate, A, and the inner plate, B, the said outer plate constructed with studs g h each side the center, and the said plate B constructed withl studs z' on its upper face in position between the respective studs g h, the said studs of the two plates being in the central line of the yoke, with the jockeys C, each constructed with a notch, b, in its upper end, and with a slot, d, near said upper end, through which slot the said T-shaped studs are adapted to pass, the said jockeys set between the said two plates, with the studs of the two plates extending through the notch and slots of the said jockeys, and the two plates clamped together, substantially as and 5o for the purpose described.

JOHN THOMAS.

Witnesses:

FRANK A. THoMAs, G. O. RoLLINs.