Cotton-Chopper. Page: 4 of 5
This patent is part of the collection entitled: Texas Patents and was provided to The Portal to Texas History by the UNT Libraries Government Documents Department.
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952,310
corresponding clutch member formed on the
pinion 14, thereby to transmit motion from
the master gear 15 to the shaft 13 to actuate
the chopping device or hoe. A lever 27 is
operatively connected with the sliding clutch
member 26 for the purpose of moving said
member against the tension of the coil
spring 28 out of engagement with the mat-
ing clutch member on the pinion 14, there
I o being a suitable rack 29 fastened to the for-
ward frame 12 and adapted to engage the
lever 27 for holding the sliding clutch memn-
ber 26 out of engagement with the mating
member.
15 As a means for raising and lowering the
forward frame in order to regulate the
height of the chopping device or hoe, there
is provided a lever 30 pivotally mounted on
a bracket carried by the draft beam 11 and
20 to the short end of which is connected the
adjacent end of a rod 31, the opposite end
of which is fastened to the free end of the
pivoted frame 12, so that by manipulating
the lever 30, the forward frame may be ad-
25 justed. The bracket of the lever 30 is pro-
vided with a segmental rack for the purpose
of locking the lever 30 in position after the
adjustment of the forward frame 12 has
been elected.
30 Pivotally connected with the axle 5 is a
rear frame including side bars 32 having
their inner ends pivotally connected through
the medium of pivoted blocks or clevis mem-
bers 33 with rearward extensions formed on
86 the brackets 8 and their outer ends pivotally
connected at 34 with an end bar 35, there
being bolts 36 swiveled in the end bar 35
and having their inner portions provided
with perforated heads arranged to fit in the
40 bifurcated portions of the adjacent side bars
32 to permit of the insertion of the pivot pin
34. By making the rear frame in this man-
ner, the cultivator shovels or plows 37 may
adapt themselves to the furrows as the ma-
45 chine is caused to travel over a field, the
pivots 33' and 34 forming in effect a universal
joint so as to allow free pivotal movement of
the rear frame. It will also be noted that
by forming the clevis members 33 with a
50 series of perforations 34' the side members
32 may be adjusted laterally of the machine
to accommodate rows of different widths.
Pivotally connected at 38 to the horizontal
yoke 9 is a connecting bar 39 having de-
55 pending flanges provided with alined open-
ings for the reception of a longitudinally
disposed rod or shaft 40. One end of the
shaft 40 is bent to produce a crank 40', the
terminal of which pierces a portion of the
60 end bar 35 for engagement with a clamping
bolt, the other end of the rod 40 being ex-
tended upwardly and provided with a foot
piece 41 which operates to shift the frame
laterally when desired.
65 Secured to the rear end of the horizontalyoke 9 are spaced perforated ears or lugs 42
in which is journaled a rod 43 having an in-
termediate portion thereof provided with an
angularly disposed arm. 44. One end of the
rod 43 is provided with an operating handle o
44' for engagement with a suitable rack 45.
Secured to the connecting bar 39 is a plate
46 having an upstanding ear 47 projecting
between the walls of the arm 44 and pro-
vided with a terminal opening for the re- 75
ception of a transverse pin 48, the latter be-
ing arranged to bear against the upper sur-
face of the arm 44 so that when the lever 44'
is moved in the direction of the axle 5, the
cultivator frame will be tilted upwardly. 80
The plate 46 is adjustable longitudinally
with respect to the connecting bar 39 in
order to change the position of the ear 47 with
respect to the arm 44 and thus regulate the
throw or movement of the cultivator frame, 85
said plate being locked in adjusted position
by a bolt or similar fastening device 49.
The ground wheels 6 and 7 are provided
with bearing collars 50 having their ex-
terior wall formed with a plurality of 90
ratchet teeth 51 for engagement with suit-
able pawls 52 carried by enlargements on
the axle 5, the pawl and ratchet mechanism
just described, allowing the wheel to rotate
in one. direction but preventing rotation of 95
the wheel in the opposite direction.
A brace 53 is secured to the draft beani
with its lower end bent laterally to form a
shoe 54 adapted to bear against the surface
of the ground and prevent tilting movement 100
of the truck when the draft animals are
detached therefrom.
Thus it will be seen that as the truck is
caused to travel between the rows of cotton
plants, motion will be transmitted from the 105
ground wheels through the medium of the
pinions 14 and 15 to the shaft 13, thereby
to rotate the crank disk and thus transmit
motion to the hoe for the purpose of chop-
ping or thinning out certain of the grow- 110
ing cotton plants and leaving the remaining
plants standing. It will also be observed
that the front and rear frames are adjust-
able vertically and independently of each
other, while the rear cultivator frame may 115
be adjusted by either manipulating the foot
or hand lever.
By connecting the end bar 35 to the side
bars 32 of the rear frame, said end bar is
free to tilt laterally on the shaft or rod 40, 120
in the manner before stated.
Having thus described the invention, what
is claimed as new is:
1. A cotton chopper including a wheeled
truck, a frame rigidly secured to the truck, 125
a cultivator frame pivotally mounted on the
axle of the truck and including spaced side
bars connected by an end bar, a bracket de-
pending from the rigid frame, a longitu-
dinal bar pivotally connected with the. 130
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Dittrich, William. Cotton-Chopper., patent, March 15, 1910; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth513852/m1/4/?q=%22~1%22~1: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.