Cotton Chopper And Cultivator Page: 3 of 4
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Patented May 9, 1906.
UNITED
STATES
PATENT OFFICE.
GEORGE ZOLL, OF FAYETTEVILLE, TEXAS.
COTTON CHOPPER AND CULTIVATOR.
SPECIFICATION forming part of Letters Patent No. 789,196, dated May 9, 1905.
Application filed October 17, 1904, Serial No, 228,858.To all whom it 7nay concern:
Be it known that I, GEORGE ZOLL, a citizen
of the United States, residing at Fayetteville,
in the county of Fayette and State of Texas,
s have invented new and useful Improvements
in Cotton Choppers and Cultivators, of which
the following is a specification.
This invention is an improved cotton chop-
per and cultivator, and is characterized by an
10 improved general construction, and particu-
larly by novel means for holding and adjust-
ing the chopping-blades, as well as for raising
and lowering the cultivator-shovels.
The invention is illustrated in the accom-
15 panying drawings, wherein-
Figure 1 is a rear perspective view of the
machine. Fig. 2is a bottom plan view show-
ing the hearings which drive the rotary chop-
per. Fig. 3 is a cross - section through the
20 clamping - plates which hold the chopping-
blades. Fig. 4 is an inside face view of one
of said plates. Fig. 5 is a detail in section,
with parts in elevation, showing the clutch
for starting and stopping the rotary chopper.
25 Fig. 6 is a detail in section on the line 6 6 of
Fig. 2, showing the rods for preventing lat-
eral play or swing of the cultivator-beams.
Referring specifically to the drawings, 6 in-
dicates a platform mounted upon a frame 7,
30 carried on wheels 8. The seat for the oper-
ator is indicated at 9. The rear part of the
frame or platform is open and the rotating
chopper works in said open part. Said chop-
per comprises a series of blades 10, carried
35 at the outer ends of screw-stems 11, the inner
ends of which screw into threaded holes in a
rib 12, produced on the inner side or face of
a clamping-disk 13. This rib may be pro-
vided with any number of holes desired to ac-
40 cordingly carry any desired number of blades.
The rods can be screwed in or out, and thereby
adjusted to the desired depth or distance of
cut. The disk 13 matches with another disk
14, and said disks are held together by bolts
45 and thumb-nuts, (indicated at 15.) When the
thumb-nuts are tightened, the stems 11 are
clamped between the rims of the disks, said
disks being slightly dished to allow the rims
to come in binding contact against the stems.
50 By this construction the blades are firmly heldand prevented from turning or getting out of
position. Said disks carrying the choppers.
are mounted upon the rear end of a shaft 16,
which is carried in a bearing-sleeve 17, hung
by a hinged or swinging hanger 18 from a 55
cross-bar 19 of the frame. A tongue-and-
grooved clutch,-as at 20, is formed between the
front end of the shaft 16 and the rear end of
a shaft 21, which carries a bevel-pinion 22,
meshing with a bevel-gear 23 on the main axle 6o
24 of the machine. The swinging hanger 18
is connected by a rod 25 to a foot-lever 26 at
the front end of the platform. The shafts are
thrown in or out of clutch to start and stop
the rotation of the chopper by moving the 65
foot-lever and swinging the hanger 18 accord-
ingly. When the hanger is swung back, the
clutch is disengaged. When it is swung for-
ward, the clutch is engaged and the chopper
rotated. The chopper is thus at all times 70
under the control of the operator, who can
start and stop it by a single movement of the
foot, according to the condition of the plants
being worked.
The cultivator comprises two shovels 27, 75
carried by curved beams 28, hung from a
cross-bar 29 near the rear of the frame. Said
beams are adjustable spaced apart by bars 30,
which are slotted and lapped and held at ad-
justment by a thumb - screw 31. Lateral 8o
swing or sway is prevented by depending rods
32, projecting from slotted plates 33, which
are fastened to the inner side of the rear bar
of the frame by bolts with thumb-screws 34.
The bolts extend through the slots, and the 85
depending rods may be adjusted laterally, ac-
cording to the spread of the cultivator-beams.
Said beams are carried in a swinging hanger
35, which is supported on the rear bar of the
frame and may be rocked by a hand-lever 37, 90
connected to crank 38 on the end of the rod of
which the hanger is formed. Manipulation
of the lever swings the hanger iii an obvious
manner and raises or lowers the cultivator-
beams. 95
It may be said that the bolts 39, by which
the beams 28 are connected to the cross-bar
29, will turn so that the cultivator-beams can
be spread or swung either to right or left, as
desired. 100No. 780, 106.
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Zoll, George. Cotton Chopper And Cultivator, patent, May 9, 1905; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth508309/m1/3/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.