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[1], 3 p. : ill. ; 23 cm.View a full description of this patent.
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UNI E STATESPATENT OFFICE.
ROBERT MARVIN KELLY, OF LONGVIEW, TEXAS.
PLOW.Specification of Letters Patent.
Patented Nov. 1, 1910.
Application filed July 7, 1910. Serial No. 570,872.
To all whom it may concern:
Be it known that I, ROBERT M. Knx, a
citizen of the United States, residing at
Longview, in the county of Gregg and State
5 of Texas, have invented a new and useful
Plow, of which the following is a specifica-
tion.
The invention relates to improvements in
plows.
10 The object of the present invention is to
improve the construction of plows, more es-
pecially that shown and described in an ap-
plication, filed by me Sept. 21, 1909, Serial
No. 518,881, and to provide efficient means
15 for wedging the share on the standard and
interlocking it with the same, and to ar-
range the parts so that the strain incident
to plowing will tend to maintain the share
in its interlocking relation with the stand-
20 ard, whereby the fastening bolt for securing
the share on the standard will be relieved
of excessive strain and the share maintained
firmly in place, even should the fastening
bolt become loose.
25 With these and other objects in view, the
invention consists in the construction and
novel combination of parts hereinafter fully
described, illustrated in the accompanying
drawing, and pointed out in the claims here-
30 to appended; it being understood that vari-
ous changes in the form, proportion, size
and minor details of construction, within the
scope of the claims, may be resorted to with-
out departing from the spirit or sacrificing
35 any of the advantages of the invention.
In the drawing:-Figure 1 is a perspec-
tive view of the lower portion of a plow
standard, constructed in accordance with
this invention. Fig. 2 is a perspective view
40 of the co-acting plow point or share in re-
verse position. Fig. 3 is a transverse sec-
tional view. Fig. 4 is a plan view.
Like numerals of reference designate cor-
responding parts in all the figures of the
45 drawing.
In the accompanying drawing, 10 desig-
nates the lower portion of the standard of
a well known form of turning plow, and 11
designates the plow point or share. The
50 form of these parts may be changed or
modified as desired. The standard in the
form shown is provided with the usual up-
right landside face 12, and the upper curved
face 13. In the aforesaid application, the
65 plow share or point is interlocked with thestandard by means of separate tapering
lugs, located on the landside face and on the
upper curved face, respectively, and ar-
ranged in spaced relation. In the present
application these lugs are merged into a 60
single tapering projection 14, composed of
an inwardly extending transversely inclined
top portion 15, and an approximately verti-
cal depending portion 16, and it extends
partly over the curved upper face 13 of the 65
standard and partly over the upright land-
side face 12. Its front end is spaced from
the front end of the standard, and its in-
wardly extending. top portion and approxi-
mately vertical side portion are of an area 70
less than the area of the top face 13 and the
upright landside face 12 of the standard.
The projection 14 is tapered both in thick-
ness and in width or breadth, and it has
its thicker and narrower end at the front, 75
and it decreases in thickness and increases
in width or breadth toward its rear end,
and it merges into the top face 13 of the
standard and in the upright landside face
12, adjacent to the landside shoulder 17. 80
The inwardly: extending top portion 15 has
a slight rearward inclination, and it has an
inner inclined side edge 18. The lower por-
tion 19 of the side face of the depending
side portion 16 of the projection is approxi- 85
mately vertical, and the upper portion 20
of the said face is inclined and extends to
the outer edge of the top face of the upper
portion 15 of the projection. The lower
side edge 21 of the tapering projection is in- 90
lined and extends upwardly and out-
wardly, as clearly shown in Fig. 3 of the
drawing. The top face of the tapering lug
is arranged at an angle to the curved top
face of the standard, and the lower and 95
upper portions 19 and 20 of the side face of
the projection are set at an angle to the
landside face, and these faces of the pro-
jection gradually approach the planes of the
faces of the standard.until they merge into 100
the same.
The plow point or share 11 comprises the
usual working plate 22, having at one edge
the depending approximately vertical land-
side plate. or flange 23. The lower end of 105
the standard, fits snugly in the angle formed
by the working plate or body of the share
and the landside plate or flange of the plow
point or share, the rear end of the land-
side flange abutting against the shoulder 17 110974,676.
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Kelly, Robert Marvin. Plow., patent, November 1, 1910; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth509874/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.