US1045848A - Trace-holder structure for swingletrees. - Google Patents

Description

J. 0. JAMES.

TRACE. HOLDER STRUCTURE FOR SWINGLETREES I APPLIOATION FILED DEC. 18, 1911,

Patented Dec.3,1912.'

To all whom may concern:

JOSEPH (J. JAMES, OF ANTIOCH, ILLINOIS.

Timon-HOLD R sirituc'runn ,roitsvvmeLn rnnn's-a Be it known that I, JosEPH'C. JAMES", a citizen of the United States, residing at- Antioch, in the county of Lake and State of Illinois, have invented certain new and useful Improvements in Trace-Holder Struc tures for Swingletrees, of which the following is a specification.

My invention relates to improvements in trace holder structures for swingle trees, and

has-for its general object to provide a simple, strong, etficient construction to provide for the easy connection and positive retention of a" trace or tug in relation to the swingle tree.

In the drawing, wherein I have shown an embodiment of my invention; Figure 1 is a perspective view of the swingle tree with the trace ends attached thereto. 7 Fig. 2 is aplan view of the trace'holder.- .Fig. 3 is an'edge view thereof. Figs. 4, 5 and 6 are sections on'lines 44; 55, and 6'6 respectively of Fig. 2. Fig. 7 is a plan view showing the contour of the trace holder when flattened to a plane.

Referring to the drawing, 10 indicates the body of the swingle tree, and 1111 indicate in general the end member thereof. These may be wood integral with the swingle tree but preferably they are made of metal as a detachable part. Each end member 11 provides a body 12, preferably of flattened ovate contour in cross section,

fitted on a reduced end portion of the-wood .10, and secured thereon as by a screw 12'. The body 12 tapers to a throat 13, the upper and lower surfaces 14 and 15 of the body (preferably substantially flat) and the front and rear edges, 16 and 17 thereof (preferably substantially straight) converging to minimum separation at the throat. Beyond the throat is provided a head, generally ini dicated at 18. The rear edge 19 of the head 18 is preferably an effective continuation of the rear edge 17 of the throat, preferably fset somewhat oblique to the line of the edge 17 to form a slightly reentrant angle 20 to assist in insuring retention of the trace. The

end extremity 21 of the head lies preferably .in substantially a straight vertical line at the'extremity of edge '19 and extending upward to a considerable distance above the top face 14 of the throat. The upper edge 22 of the head extends longitudinally substantially parallel with the bottom surface 15 of the structure, and diagonally forward,

merges into the front edge 16 of the throat. The surface between the front and rear Patented Dec. 3, 1912; hpplicatiohfiledllecember18,1911,Serialho.666,453. i

as shown in Fig. 3, near the front edge of the structure and then descending as at,2 3,' a relat vely abrupt, curved shoulder which edges take-a spiral twist from horizontal on the section line H, where they merge into the top and bottom surfaces of the throat, to vertical, (see Fig. 6,) where they terminate at the end 21 of the head, said surface being Widest on the line of juncture of shoulder 23 and top edge 22 of the head. Thus in general the head surfaces of the holder take the form shown in Fig. 7, tapering along line 22 from a maximum width at the juncture of the edges 22-23 to the extremity '21 and shouldered rather abruptly as at 23, said head being given a quarter twiston the rear edge line 19 as an axis to bring the edge 21 vertical. The

trace 25 is slipped on to the holder with its" The structure described is adapted to re-.

ceive any ordinary trace, and while making easy 'the'intentional application or removal of the trace with-respect to the swingle tree,

end, such structure positively prevents ac-'=' cidental slipping ofl of the trace however severe the strain, the position of the trace when in use being just at the juncture of the throat and head where movement of the trace toward the end is opposed by the shoulder 23, and where the trace lies in the slight rentrant angle 20, preferably formed at the juncture of the rear edges of the throat and head.

-What I claim is;

1. A trace holder having a throat and head, the rear edges of the throat and head merging on a continuing horizontal line, and the headhaving a quarter twist with the rear edge as the axis on which the twist is made. i k

2. A trace holder providing a throat portion and a head portion, at their rear edges forming a continuing horizontal line, the head providing a twist from horizontal position at its juncture with the throat to ver-' tical position at its end, the axis of said twistbeing substantially the rear edge of the head, the upper edge of said head being substantially parallel with its lower edge Copies of this patent may be obtained for five cents each, by addressing the Washington, D. C.

throughout a major portion of its length, and merging into the front edge of' the throat in a relatively abrupt shoulder;

3. A trace holder comprising a throat and end having their rear edges forming a slightly reentrant angle in substantially a horizontal plane, said head portion being widened just beyond its line of juncture with the throat, and making a quarter turn upon the rear edge of the head as an axis to present its extremity in a substantially vertical line, at its top edge substantially parallel to the bottom plane of the throat and extending diagonally in plane substantially from the rear edge of the head to the front edge of the throat, and merging into the front edge of the throat in a relatively abrupt curve. I y

In testimony whereof I hereunto set my hand in the presence of two Witnesses.

JOSEPH C. JAMES. In the presence of- MARY F. ALLEN, W. LINN ALLEN.

Commissioner of Patents

Images