Improvement in Cultivators. Page: 3 of 3
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12,690
the metallic plate i, or their equivalents, united
to each other, substantially as represented in
Fig. 1. The rear ends of the sides k k of the
knife-frame rest upon the axle f, and are se-
cured thereto in such a manner that the frame
may be vibrated on said axle. The knife d is
secured to the end of the arm c, which pro-
jects from the shaft b. The said shaft b is so
arranged as to be parallel with the sides C D
of the frame of the cultivator, and is placed
midway between them,as represented in Fig. 1.
The shaft b is rotated by means of the pinion
h on its rear end and the cog-wheel g on the
axlef. When the knife-frame is thrown into
the position shown in Fig. 2 it is caught and
retained by the catch d', which is forced into
a notch in the transverse piece E of the culti-
vator-frame by the action of the spring c', as
represented in Fig. 2. The said spring c' is
secured to the standal d b', which rises from
the end k' of the knife-frame and bears against
the plate a' immediately in front of it. The
said plate a' and catch d' form but one piece,
which is hinged at its lower extremity in such
a manner that it may be moved freely back and
forth. The cord s is connected to the upper
end of a', so that by pulling upon said cord it
will be perceived that the catch d' will first be
drawn out of the notch in the transverse piece
E of the cultivator-frame, and then the knife-
framebedrawn upward into the position shown
in Fig. 3, where it may be retained by slipping
the ring on the end of the cord s onto the hook
v', which projects from the rear end piece, B,
of the cultivator-frame.
Between the hind end, B, of the cultivator-
frame and the transverse piece F, I arrange a
cultivating-point, r, and its beam K, as repre-
sented in Figs. 1, 2, 3, and 4-to wit, the rear
end of said beam K is hinged to the trans-
verse rod k in such a manner that it can be
freely vibrated on said rod, and also be moved
laterally upon the same. The front end of K,
when in a position for operating the point r, is
received into a notch in the plate m', as shown
in Fig. 4. The said plate m' is secured to the
rear side of E by means of set-screws passing
through slots in said plate into the cross-piece
F, as shown in Fig. 4, by which the said plate
can be secured in different positions upon F.
The handle J, by which the beam K is man-
aged and governed, is connected to the front
end of said beam by means of the stirrup t,
and the said lever works in a swivel-joint, l',
secured in proper bearings upon the top of therear end, B, of the machine. It will therefore
be perceived that the front end of the beam K
can at any moment be elevated and moved to
the right or left by the operator.
In the drawings, the beam K of but one cul-
tivating-point r and the beam L of but one
laterally-thinning point m are represented as
combined with the rotating cutter d in one ma-
chine; but I sball generally construct myculti-
vators with the beams of two cultivating-points
and the beamsof two thinning-points arranged
on either side of the machine, substantially as
herein set forth,so that the surplus plants can
be removed at intervals from a row, and also
be removed from either or both sides of the
same, and then the earth be pulverized and
drawn up to the plants that are left standing.
When my improved cultivator is used for
cultivating corn the frame of the rotating cut-
ter d should be detached from the machine.
In operating my improved cultivator the
operator can at any time throw up theforward
end of the machine by bearing his weight upon
the rear end of the machine, and thus obviate
coming in contact with any obstruction that
might injure the thinning-cutters.
The stationary knife e, which is secured to
the transverse piece E of the cultivator-frame,
serves the purpose of cleaning the rotating
knife d, as it passes in close proximity to the
said stationary knife during its revolutions.
I ani aware that rotary cutters and laterally-
adjustable shares have been separately used
in cultivators, and therefore
What I claim as my invention, and desire to
secure by Letters Patent in myimproved culti-
vator, is-
1. The combination of the adjustable thin-
ning-point (or points) in at the forward end
of the cultivator with the adjustable cultivat.
ing-point (or points) r at the rear end of the
cultivator, substantially as herein set forth.
2. Combining the rotating cutter d with the
laterally-adjustable thinning-point (or points)
mn and the cultivating-point (or points) r, sub-
stantially in the manner and for the purpose
herein set forth.
The above specification of my new and use-
ful improvement in cultivators signed and wit-
nessed this 9th day of February, 1855.
A. H. MORREL.
Witnesses:
GEO. W. ADAMS,
Z. C. ROBBINS.
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Morrel, A. H. Improvement in Cultivators., patent, April 10, 1855; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth165039/m1/3/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.