Improvement in Running-Gears for Wagons Page: 2 of 2
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UNITED STATES PATENT OFFICE.
WILLIAM T. GIBSON, OF BIRDSDALE, TEXAS.
IMPROVEMENT IN RUNNING-GEARS FOR WAGONS.
Specification forming part of Letters Patent No. 219,457, dated September 9, 1879; application filed
July 8, 1879.
To all whom it may concern: for the insertion of the attaching-screws d d.
Be it known that I, WILLIAM T. GIBsoN, of Each part of the box B is provided with a
Birdsdale, Bell county, State of Texas, have hole for the journals a of the roller C.
invented certain newaud useful Improvements To insert the box a mortise is made on the
in Attachments for Coupling-Poles of Wag- under side of the coupling-pole, at the proper
ons; and I hlereby declare the same to be fully, place, deep enough to be exactly filled by the
clearly, aid exactly described as follows, ref- box when its end flauges are in contact with
erelce being had to the accompanying draw- the face of the pole. The roller being then in-
ings, in which- serted in the box, the halves b b' are brought
Figure 1 is a perspective view, and Fig. 2 a together, and the box is laid in the mortise
vertical longitudinal sectional view, of thede- and attached by screws d d. The roller ex-
vice as applied to a coupling-pole. actly fills the box, so as to prevent the en-
My invention relates to that class of wagons trance of sand or grit.
in which the tongue is supported by a cross- I have not thought it necessary to illustrate
bar connecting the hounds behind the front in the accompanying drawings the pounds or
axle and passing beneath the coupling-pole, cross-bars, as their relation to the device which
The part of the pole against which the cross forms the subject of my invention is obvious.
lbar rests, as well as the bar itself, are sub- When the journals of the roller finally wear
ejected to constant wear, as the cross-bar is out, a new one may be readily inserted upon
continually sawing back and forth through a removing the box. For this reason, as wellas
greater or less distance, according to the con- to admit of tihe device being formed wholly by
dition of the road, while tihe wagon is in motion, casting, I construct the box in two pieces.
It has been customary to face the cross bar The device may be constructed at trifling
amiL the under side of the coupling-pole at the cost, is readily attached to the pole, and comn-
point of contact with iron and keep this quasi pletely obviates what has heretofore been a
tifth-wheel well lubricated; but this expedient fruitful source of annoyance.
does not obviate or materially lessen wear, as What I claim as niew, and desire to secure
the lubricant becomes fill of sand and grit, by Letters Patent, is-
and the iron facing is soon cuat out. Now, I The device herein described, consisting of
substitute for this sliding friction rolling fric- the box B, adapted for insertion in a mortise
tin, andl so locate the journals of the rolling in the coupling-pole and made in two parts,
part as to practically exclude dirt and grit. each having a perforated flange, and the roller
In the accompanying drawings, A repre- C, journaled in the box, substantially as de-
sents a section of the coupling-pole, in the un- scribed.
der side of which, at the point of contact with WILLIAM T. GIBSON.
the cross-bar, I insert the box B, having a
roller, C. The box, preferably of cast-iron, is Witnesses:
made in two parts, b b', meeting at b", as J. W. PLUIm1 iE,
shown, and having end flanges, a a, perforated A. M. LOPER.
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Gibson, William T. Improvement in Running-Gears for Wagons, patent, September 9, 1879; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth169888/m1/2/: accessed April 25, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.