Grain-Car Door. Page: 4 of 7
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UNITED STATES PATENT OFFICE.
EDWARD W. HARTOUGH. OF DENISON, TEXAS.
GRAIN-CAR DOOR.Specification of Letters Patent.
Patented Apr. 23, 1918.
Application filed August 19, 1916. Serial No. 115,825.
To a whom it may concern:
Be it known that I, EDWARD W. IIAn-
TOWU-, a citizen of the United States, and a
resident of the city of Denison, county of
5 Grayson, and State of Texas, have invented
a new and useful Improvement in Grain-
Car Doors, of which the following is a
specification.
This invention relates particularly to out-
10 side sliding doors for box cars, similar to
that shown and described in my pending ap-
plication for patent, Serial No. 33,918,
filed June 14, 1915. The object of the pres-
ent invention is to arrange the door for use
15 in transporting grain without requiring any
additional grain door or planking on the in-
side of the door opening.
The invention consists in the arrangement
of the track and hangers for supporting the
20 door at the top so that it is free to swing
open at the bottom when in closed position;
and in the means for regulating the swing-
ing open of the bottom to control the flow
of grain in emptying the car. The inven-
25 tion further consists in the means for main-
taining the edges of the door tight within the
edges of the door opening when locked in
closed position.
Further objects and details of the inven-
30 tion appear in connection with the follow-
ing description of the embodiment of the
invention shown in the accompanaying
drawings. The invention is also stated in
the appended claims.
35 In the drawings, wherein the same refer-
ence characters designate like parts in the
several views,
Figure 1 is a side elevation of a portion of
a box car, showing a door embodying the in-
40 vention in closed position;
Fig. 2 is a plan view of the same, part of
the roof being removed to disclose the door
track and door arrangement;
Fig. 3 is a vertical cross-section through
45 the side of the car and door, on the line
3-3 in Fig. 1;
Fig. 4 is a cross-sectional view similar to
Fig. 3, showing the door in open position, the
cross-section line being taken through the
50 middle of the door opening.
Fig. 5 is a cross-sectional view similar to
Fig. 3, illustrating the invention applied to
another type of box car;
Fig. 6 is a horizontal cross-section throughthe side plate and track for the door hang- 55
ers, on the line 6-6 in Fig. 1;
Fig. 7 is a horizontal cross-section through
the door and side of the car on the line 7-7
in Fig. 1, showing the door in closed posi-
tion; 60
Fig. 8 is a detail view of the side of the
car at the lower corner of the door opening,
showing the door and control mechanism in
open position; and
Fig. 9 is a side view of a portion of the 65
car illustrated in Fig. 5, showing the lower
half of the door and the control mechanism
in closed position.
In Figs. 1, 2, 3, 4, 6, 7 and 8 the inven-
tion is shown applied to an ordinary wooden 70
box car having wood siding 11 and roof
sheathing 12, although it is not restricted to
wooden cars. The siding is nailed at top
and bottom to the side plate 13 and side sill
14, respectively, which are connected by the 75
vertical door posts 15, and by the usual
side posts and braces inside of the side
sheathing. The door 16 is suspended from
a track 17 by means of two hangers 18, one
at each upper corner of the door. The so
hangers are bolted one to the outside face of
the door and one to the inside face. They
project above the top of the door and are
provided with horizontal spindles projecting
outwardly from their upper ends on which 85
rollers or wheels 19 are journaled. The
roller near the back edge of the door pro-
jects outwardly farther than the one near the
front edge. The track 17 is channel shape
with the web vertical and the flanges facing 90
in toward the side of the car. The upper
flange has its edge bent up and secured to a
spacing strip 20 which is nailed to the
fascia board 21 along the eaves of the car.
The rollers 19 run on the lower flange of 95
the track, and support the door clear of the
side of the car except in closed position.
The rollers are held on the track by the in -
ner vertical flanges 22. The track slants
inwardly along its entire length from back 100
end to front end, except at about the middle
where it is bent sharply in toward the side
of the car, and the hangers gradually ap-
proach the side of the car when the door is
being closed. As. the door moves sidewise 105
toward closed position, first the front roller
and then the back roller travels across the
bent portion 23 of the track and are succes-1,263,409.
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Hartough, Edward W. Grain-Car Door., patent, April 23, 1918; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth1259263/m1/4/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.