Plow Attachment. Page: 2 of 3
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UNITED STATES PATENT OFFICE.
WILSON B. TUNNELL, OF VAN, TEXAS.
PLOW ATTACHMENT.Specification of Letters Patent.
.atented April 30, 1907.
Apolicatioo filed April 22, 1904. Serial No. 204,443.
To all whom it may cancer: turned to lie against the portion 17 and is
Be it known that I, WILSON B. TUNNELL, welded or otherwise secured thereto.
a citizen of the United States, residing at A soil treating blade 18 is secured to the 55
Van, in the county of Van Zandt, State of forward faces of the portions 16 and 17 by
5 Texas, have invented certain new and useful means of a bolt 19 passed therebetween
Improvements in Plow Attaclunents; and I which has a washer 20 and bolt 21 upon its
(1o hereby declare the following to be a full, free end. It will thus be apparent that the
clear, and exact description of the invention, bolt may be loosened to permit of adjust- 6o
such as will enable others skilled in the art to ment of the blade longitudinally of the por-
[o which it appertains to make and use the tions 16 and 17 and that it may be tightened
same. to hold the blade in the desired position.
This invention relates plows and more The offset portion 13 is suliciently large
particularly to attachments therefor and has to permit of considerable movement of the 65
for its object to provided an attaclhnent with supplemental beam 14 therein so that the
15 which any plow may be equipped and which lower end of this beam and the blade 18 may
will turn the subsoil as the plow proper opens be shifted vertically, and to hold the plate at
the furrow thus saving additional expense any desired point in its path of movement a
and labor in treating the subsoil after the slotted plate 22 projects upwardly therefrom 70
plowing operation has been completed. and has its slot 23 engaged with a clamping
20 A further object is to provide an attach- bolt 24 which is passed through a perfora-
ment which may be adjusted to plow the tion in the beam 5. It will thus be seen that
subsoil at any desired depth, within certain the clamping bolt may be loosened and
limits. the plate 14 adjusted to plow the soil to the 75
In the drawings fornin a portion of this desired depth after the bolt 24 may be tight-
25 specification and in which like nmerals of ele(l to prevent further movement of the
reference indicate similar parts in the several plate. If slight further adjustment is de-
views, Figure 1 is a side elevation of a plow sired, it may be accomplished by moving the
provided with the present invention. Fig. 2 blade 18 upon the portions 1( and 17 as de- 8o
is a section on line 2-2 of Fig. 1. Fig. 3 is a scribed above.
30 section on line 3-3 of Fig. 1. Fig. 4 is a rear The supplemental beam 14 has an out-
elevation of the sub-soil shovel atid a portion wart bend 14' therein to bring its lower end
of the plate or standard by winch it is carried. into the correct position with respect to the
Referring now to the drawiigs, there is share andmold board. 85
shown a plow comprising the usual beam 5, In practice, modifications of the specific
35 standard 6, share 7, mllold-board 8, and han- construction shown may be made and any
dies 9 and 10. suitable materials and proportions may be
Secured at opposite sides of the beam 5 used for the various parts without departing
adjacent to the forward end. thereof are from the spirit of the invention. 0
plates 11 and 12 which are held in position What is claimed is:-
40 by means of a pair of bolts 12' which are on- The combination with a plow including a
gaged with perforations 11' in the plates and beam, of the supplemental beam 14 detach-
which lie above and below the beam. The ably and adjustably connected with the plow
plate 11 has an offset portion 13 therein with beam and offset ad jacent its forward end to 95
which is engaged a supplemental bean 14 cause the same to extend at an angle to the
45 which extends rearwarClly between the han- I beam of the plow, the rear end portion of the
dies 9 and 10 where it is turned downwardly, i beam 14 being bent downwardly and for-
as shown at 15, and lies with its lower ex- I wardly as at 15 and provided adjacent its
tremity in the rear of the share and mold- lower end with the single offset )ortion. 16, the 100
board. The free end of the supplemental beam being bent upon itself below the offset
50 beam is turned laterally and upwardly par- portion 16 and having its extreme ed(1 portion
allel to itself to form spaced portions 16 and arranged to bear against the inner face of the
17, the upper end of the portion 16 being I down-turned, portion 15 of the beam at aNo. 852,086.
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Tunnell, Wilson B. Plow Attachment., patent, April 30, 1907; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth508295/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.