Spring Draft Attachment. Page: 2 of 3
[2], 1 p. : ill. ; 23 cm.View a full description of this patent.
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UNITED STATES PATENT OFFICE.
JOHN F. TINER, OF LAVERNIA, TEXAS, ASSIGNOR TO HIMSELF AND ROBERT
C. HOUSTON, OF SAME PLACE.
SPRING DRAFT ATTACHMENT.
SPECIFICATION forming part of Letters Patent No. 479,681, dated July 26, 1892.
Application filed February 9, 1892. Serial No, 420,823, (No model.)To all whom it may concern:
Be it known that I, JOHN F. TINER, of La-
vernia, in the county of Wilson and State of
Texas, have invented a new and Improved
5 Spring Drawing Attachment for Vehicles, of
which the following is a full, clear, and exact
description.
My invention relates to improvements in
drawing attachments for vehicles; and its ob-
to ject is to do away with the ordinary double-
tree and provide a simple spring attachment,
which may be secured to any vehicle, which
may be used for a one-horse vehicle, but
which is especially adapted for a two-horse
15 vehicle, which when used on the latter vehi-
cle prevents the horses from pulling against
one another, prevents the pole from swaying
sidewise, enables the vehicle to run easily and
without jerks, and which is also very much
20 easier for the horses, as the springs used in
connection with the attachment absorb the
sudden shocks and vibrations.
To this end my invention consists in cer-
tain features of construction and combina-
25 tions of parts, which will be hereinafter de-
scribed and claimed.
Reference is to be had to-the accompanying
drawings, forming a part of this specification,
in which similar figures of reference indicate
30 corresponding parts in all the views.
Figure 1 is a plan view of the attachments
embodying my invention, showing them ap-
plied to a vehicle-pole. Fig. 2 is a cross-sec-
tion on the line 2 2 in Fig. 1, showing the at-
35 tachment in front elevation. Fig. 3 is a detail
plan of one of the swinging side arms, which
are secured to the pole; and Fig.4 is a cross-
section through the spring-frame on the line
4 4 in Fig. 1, but with the draw-bar and its
40 spring cased in.
The pole 10 is of the usual construction,
terminating at its rear end in a bow 11, which
is provided with the braces 12, which are se-
sured to the ends of the bow and to the pole,
45 the braces terminating at their rear ends in
the coupling-knuckles 13, which are adapted
to be secured in the axle-clips in the ordinary
way. Near the ends of the bow and secured
to the sides thereof and to the braces 12 are
50 perforated lugs 14, which are held in place bybolts 15, extending through the bow and
braces, and these lugs are pivotally coupled
to the terminal eyes 16 at the rear ends of
the draw-bar frames 17. These frames 17 are
open on top and bottom and are elongated, 55
as shown in the drawings, the frames having
near the center the cross-pieces 18, which
form abutments for the collars and nuts of
the draw-bars, as described below.
In each frame 17 is a draw-bar 19, which ex- 6o
tends longitudinally through the greater por-
tion of the frame and projects through the
front end of the same, and the rear end of the
draw-bar is screw-threaded and provided with
a nut 20, which by striking the cross-piece 15 65
limits the forward movement of the draw-bar.
The draw-bar has also a collar 21, which is
preferably square, as shown in Fig. 4, and
this collar is secured to the draw-bar in front
of the cross-piece 18, and by striking the 70
cross-piece it limits the backward movement
of the draw-bar. It will be noticed that the
nut 20 may be adjusted so as to give the
draw-bar any necessary or desired movement.
Within each frame 17 and coiled around 75
the draw-bar is a spiral spring 22, one end of
which abuts with the front end of the frame
and the other end with the collar 21, and the
pressure of the spring thus serves to push the
draw-bar back into the frame. Each draw- 80
bar 19 terminates at its front end, which pro-
jects through the frame 17 in an eye 23, which
engages the clevis 24, and the latter is coupled
by means of a bolt 25 to the singletree 26 and
the supporting-arm 27. The clevis clasps the 85
singletree and arm, as shown in Fig. 2, and
the bolt extends downward through it and
through the ends of the clevis, thus forming
a pivot for the singletree. The singletrees
are arranged on each side of the pole and are 90
supported by the arms 27, the inner ends of
which are pivoted on the top of the pole, and
to facilitate their easy working and attach-
ment the inner ends of the arms are formed
into washers 28 which are adapted to over- 95
lap one another, as shown in Fig. 2. A fas-
tening-bolt 29 extends downward through the
washers 28 and through the pole 10, and a
wide washer 30 is placed between the upper
of the washers 28 and the head of the bolt29. 2oo
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Tiner, John F. Spring Draft Attachment., patent, July 26, 1892; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth173127/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.