Road-Grading And Ditching Machine. Page: 4 of 7
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UNITED
STATES
PATENT OFFICE.
JAMES WILLIAM CORNETT, OF GALVESTON, TEXAS.
ROAD-GRADING AND DITCHING MACHINE.
SPECIFICATION forming part of Letters Patent No. 623,395, dated April 18, 1899.
Application filed May 18, 1898, Serial No. 681,042. (No model.)To all whozm it inmay ComeCC7'T
Be it known that I, JAMES WILLIAM COR-
NETT, of Galveston, in the county of Galveston
and State of Texas, have invented a new and
5 Improved Road - Grading and Ditching Ma-
chine, of which the following is a full, clear,
and exact description.
The object of the invention is to provide a
new and improved road-grading and ditching
10 machine which is comparatively simple and
durable in construction, very effective in op-
eration, and arranged to remove the plowed-
up ground quite a distance from one side of
the machine and to permit of conveniently
15 throwing the working parts out of gear while
moving the machine from one place to an-
other.
The invention consists of novel features
and parts and combinations of the same, as
20 will be fully described hereinafter and then
pointed out in the claims.
Reference is to be had to the accompanying
drawings, forming a part of this specification,
in which similar characters of reference indi-
25 cate corresponding parts in all the figures.
Figure 1 is a plan view of the improvement.
Fig. 2 is a cross-section of the same on the
line 22 of Fig. 1. Fig. 3is a similar view of
the same on the line 3 3 of Fig. 1. Fig. 4 is
30 a side elevation of the improvement Fig. 5
is a sectional plan i iew of part of the same
on the line 5 5 of Fig. 2. Fig. 6 is a sectional
side elevation of the gearing for the elevator-
belt, and Fig. 7 is an enlarged plan view of
35 part of the same on the line 7 7 of Fig 6
The improved machine consists of three
principal parts-namely, the plow A, the
transversely-extending elevator B, and the
wheeled carrier C for supporting the outer end
40 of the elevator and for imparting motion to
the working parts thereof, as hereinafter more
fully described, the three parts, however,
moving in unison when drawn forward by a
team or other power. The plow A is provided
45 with the usual plow-beam A', having handles
A' at its rear end for allowing the operator to
conveniently manipulate and guide the plow
in the usual manner.
On the forward end of the plow-beam A' is
50 arranged a clevis A", supporting at one end a
draft-beam D, connected by a brace D' with
the rear portion of the plow-beam and by a;brace D2 with the framework C' of the wheeled
carrier C. On the draft-beam D is hung the
usual doubletree E, to which the team is at- 55
tacked for drawing the machine over the
ground. The front and rear ends of the plow-
beam A' are supported on wheels F and G,
arranged for vertical adjustment, so as to
gage the depth of the cut to be made by the 6o
plow The wheels F and G are mounted in
caster-frames F' G', respectively mounted to
turn on the lower ends of bars F2 and G2,
fitted to slide vertically in suitable bearings
in the beam A', the upper ends of said bars 65
being provided with nuts F3 G', engaged by
screw-rods F' G4, mounted to turn at their
lower ends in suitable bearings on the plow-
beam, so that when the operator turns either
screw-rod the corresponding bar F2 or G2 is 70
raised or lowered to move the wheel F or G
in a like direction and according to the direc-
tion in which the screw-rod is turned.
The plow - beam A' supports between the
wheels F and G the usual landside A' and the 75
moldboard H, formed at its outer end with
an upwardly-turned flange H', terminating at
its rear end on the lower edge of an inclined
chute I, formed with a transversely-curved
flange H3 for directing the rearwardly-moving 8o
ground down the chute upon the belt B' of
the elevator B, as will be readily understood
by reference to Fig. 3.
Now it is evident that when the plow is
drawn forward the ground plowed up by the 85
plow-point and passing over the moldboard
H in a rearward direction finally passes over
the chute H' down upon the elevator-belt B'
and is carried upward on the same in a trans-
verse direction to be delivered either at one 90
side of the road or ditch or into a wagon un-
derneath the outer end of said elevator. The
upper run of the elevator-belt passes over a
driving-drum I, journaled near the upper end
of the elevator-frame J, pivoted at its lower 95
end on brackets A', extending transversely on
the landside A4, as is plainly shown in the
drawings. The elevator-belt also passes at
its lower end over a pulley 1', journaled in the
brackets A', its shaft preferably forming the ico
fulcrum for the frame J. The outer rear end
of the elevator-belt passes over a pulley I2,
journaled in a frame J', pivoted on the shaft
K for the drum I, so that any desired inclina-
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Cornett, James William. Road-Grading And Ditching Machine., patent, April 18, 1899; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth513014/m1/4/: accessed April 24, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.