IMPROVEMENTS IN DUMPING WAGONS
Year: 1885

page_text: COMPLETE SPECIFICATION.
I, HERBERT JOHN HADDAN, of 67, Strand, in the City of Westminster, Civil
Engineer, do hereby declare the nature of said Invention for "IMPROVEMENTS
IN DUMPING WAGONS," a communication to me from abroad by William J. March,
Mining Engineer, of Brooklyn, State of New York, United States of America, and
in what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement:-
This invention relates to dumping wagons or cars used in constructing and
ballasting railroads, excavating and filling in, for carrying ores, etc., and consists
in certain improvements in the operative parts which will be hereinafter par-
ticularly referred to, and wherein simplicity, strength, durability, and cost are
especially considered and whereby the body may be gradually and easily tipped in
discharging its contents and returned and secured to its upright position.
In order that others may understand and use the invention. I will first proceed
to describe the same in its details of construction and subsequently to point out
in the claims its novel features.
In the drawing,
Figure 1 represents a side elevation,
Figure 2 an end elevation, and
Figure 3 a plan view of a wagon embodying the improvements.
Figure 4 and 5 are detached and enlarged views of a locking attachment for
retaining the body in its upright position.
a represents the body, b the wagon or car platform c standards secured to the
platform for supporting the body a.
The standards c are located adjacent to the opposite ends of the body a and
bolted through their base flanges to the projecting top plate of the platform of the
car, (as shown in Fig. 1).
The top or bearing surface of the standards are made in the form of a segment
of a circle, and provided with spur teeth e that engage with teeth d upon a cor-
responding segment fixture h bolted to the body a.

page_text: The fixture h is constructed with depending side flanges g that enclose the teeth
of the standard c and operate as a guide to maintain the parts in line engagement
as shown in Figs. 1, 2, and 4.
The standards c and fixtures may be made of cast metal either in plate or
skeleton form and, if desired, provided with diverging strengthening ribs as
shown.
To one or both ends of the body a, a stop fixture m is centrally secured near
the bottom.
This stop is composed of a plate of metal with side flanges bent at a right
angle and bolted intermediately to the body a.
represents a cam lever pivoted to a bracket n that is centrally bolted to the
platform b, in line with the stop m and at such distance therefrom as to allow its
cam portion to enter between its flanges when the lever is placed in the position
shown in Fig. 4, which locks and retains the body a in its upright position.
In the reverse position of the lever & the cam portion is thrown out of engagement
with the flanges of the stop m which permits the.body a to be tipped to either side
as desired in discharging its contents the preponderance of the load being above
its line of bearing facilitating the operation.
The body a may be tipped to either side of the platform b to a position indicated
by the dotted lines Fig 2 when its movement will be arrested by the engagement
of the stop with the projecting flange of the platform b.
Heretofore, in this class of devices the frame work for holding and directing the
body in the operation of tipping, has been rigidly connected with the platform of
the car and provided with recesses that engage with projecting studs or trunnions
secured to the body at separated points in its movements.
Such construction and arrangement of the respective parts is not only more
expensive to make and apply than the alternative device employed in this
invention but is required to sustain the transferred weight at each separated
fixture or point of support while in this device the weight is carried and supported
by a continuous bearing constructed in a single piece of greater strength of
attachment and less costly to manufacture or liable to displacement.
Having now particularly described and ascertained the nature of the said
Invention, and in what manner the same is to be performed, I declare that what
I claim is
1. A wagon or car having fixed standards for supporting a tilting body, said
standards being constructed with bearing surfaces in the form of a segment of
a circle and provided with spur teeth in combination with a body having bearing
plates or fixtures of corresponding form, whereby a continuous and secure
bearing is obtained in the tilting movement of the body, substantially as
described.
2. In a dumping wagon or car having a tilting body, locking attachment for
securing the body in its upright position, consisting of a pivoted cam lever and
stop plate constructed and arranged to operate substantially as described.
H. J. HADDAN.
By Herbert & Co., Agents,
67, Strand.