Wing Sweep Attachement for Plows Page: 2 of 3
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UNITED STATESPATENT OFFICE.
M. T. SKINNER, OF CLEBURNE, TEXAS.
WING-SWEEP ATTACHMENT FOR PLOWS.Specification of Letters Patent. Patented June 19, 1917.
Application filed August 28, 1916. Serial No. 117,174.To all whom it may concern:
Be it known that I, M. T. SKINNER, a citi-
zen of the United States, residing at Cle-
burne, in the county of Johnson and State
5 of Texas, have invented certain new and
useful Improvements in Wing-Sweep At-
tachments for Plows, of which the following
is a specification.
My invention has relation to an attach-
10 ment for plows, cultivators or the like
whereby the implement may readily be pro-
vided with wing sweeps without disarrange-
ment or reconstruction of the old parts of
implement, and in such connection it relates
15 more particularly to the form, construction
and arrangement of the attachment.
It has been proposed heretofore to provide
an attachment for shovel plows or culti-
vators to convert the same into sweep plows
20 adapted to be operated between rows of
growing crops, and said attachment was pro-
vided with means for adjusting the length
or width of the sweeps. In such former at-
tachments, as for instance in Letters Patent
25 No. 485,732 of November 8, 1892, a cross
piece or bar is removably secured to the
standard of the plow and a semicircular
strap carrying the sweeps is removably se-
cured at each of its ends to the ends of the
30 cross piece.
Such constructions present many difficul-
ties to their successful adaptation to all
forms of plows as well as to their successful
operation when attached to the plow. Thus
35 the cross piece for one form of plow could
not be used with another form and the semi-
circular strap must be attached to or re-
moved from succeeding cross pieces by a con-
nection which materially decreased the
40 strength and rigidity of the attachment as
well as presented crevices for the reception
of weeds or trash which most speedily put
the plow and attachment out of use, until
the trash was removed.
45 It is the main object of my present inven-
tion to provide an attachment which may
be applied to any plow, cultivator or digging
implement to convert the implement into a
sweep plow and as an essential part of the
50 attachment to provide a continuous annulus
or ring having the front portion of its pe-
riphery slightly inclined and substantially
lengthened in an upward direction whereby
the ring may be readily secured by a plu-rality of fastenings to the plow or imple- 55
ment when desired.
A secondary object of my invention is to
provide the ring with corrugations on its
exterior surface adjacent to the slots in
which the shanks of the wing sweeps are ad- 6d,
justable and to provide washers having ver-
tically arranged corrugations or ridges sur-
rounding the shanks and coperating with
the corrugated surface of the ring to lock
the wing sweeps fast to said ring. 65
The nature and scope of my invention will
be more fully understood from the follow-
ing description taken in connection with the
accompanying drawings forming part here-
of, in which- 70
Figure 1 is a top or plan view of the at-
tachment embodying the main features of
my invention and of the parts of a plow to
which the attachment is secured.
Fig. 2, is a front elevational view of the 75
same.
Fig. 3, is a cross sectional view taken on
the line 3-3 of Fig. 2.
Fig. 4, is a perspective view of the ring
detached from the plow and from the 80
sweeps, and
Fig. 5, is an inside view of one of the
corrugated or ridged washers for the sweeps.
Referring to the drawings, 1 represents
the standard of the plow or similar imple- 85
ment and 2 is the shovel plow secured to
said standard 1 by the bolts 3.
Between the plow 2 and the standard 1
and secures by the bolts 3 thereto is an annu-
lus or ring 4 having its front portion 5 90
slightly inclined to follow the plane of the
plow and standard and having this front in-
clined portion 5 lengthened to adapt the ring
for attachment to varying forms of plows.
The ring 4 has its body or rear portion 95
slotted as at 6 and the outer face of this
body portion is vertically ribbed or corru-
gated as at 7 adjacent to said slots 6.
The wing sweeps 8 have shanks 9 enter-
ing the slots 6 and on each shank 9 between 100
the body of a sweep 8 and the corrugated
face of the ring 4 is placed a washer 10
having its inner face ribbed or corrugated
as at 11 to fit into and interlock with the
corrugations of the ring. The inner end 105
of each shank 9 is screw threaded to receive
a nut 12 and as this nut is advanced on the
shank it clamps the shank and washer to1,230,233.
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Skinner, M. T. Wing Sweep Attachement for Plows, patent, August 28, 1916; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth854144/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.