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Патент USA US3099132

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July 30, 1963
Filed June 12, 1961
United States Patent 0 "ice
32, being slightly longer than the sleeve section so that
the ends of each bushing 41 ?ts snugly between aper
tured lugs 43. Each bushing 41 is held ?xedly in place
Jack W. McCollum, Boise, Idaho, assignor of one-half to
between the lugs 43 by suitable bolt means 42, so that
when the latter is tightened, the bushings are rigidly
Deere & Company, Moline, 111., a corporation of Dela
Patented July 30, 1963
clamped in position, the sleeve portions 32 being swing
Filed June 12, 1961, Ser. No. 116,373
4 Claims. (Cl. 56—121.44)
able or rockable on the associated bushing 41.
‘In operation, when the shaft 15 is not driven, the ?ail
elements 30 hang loosely, as illustrated in FIG. 1, but
This invention relates generally to agricultural ma
when the shaft 15 is rotated, the ?ail elements swing
chines and more particularly to plant disintegrating im 10 generally radially outwardly substantially to the posi
plements, such as those particularly designed for shred
tions shown in the FIGS. 2 and 3 for severing, pulveriz
ding or disintegrating potato vines, beet tops, and the
ing, or disintegrating plant material, the frame being
lowered on the wheels 21 to the position whereby the
The object and general nature of this invention is a
cutting edges 34 and the ?exible chain lengths 35 strike
provision of a rotary beater having new and improved 15 the plant growth to be destroyed. For example, as il
?ails particularly arranged to not only cut or sever the
lustrated in FIG. 4, the cutting edges 3-4 of the several
plant but also to beat or shred them by impact action.
More particularly, it is a feature of this invention to
?ails sever the tops as the curved portions 33 of the ?ail
bars 31 act to create a certain amount of suction to tend
provide beater ?ails, each having a curved portion acting
to lift the plant growth upwardly from the ground. It
to create a certain amount of suction that tends to lift 20 will be seen from FIG. 4 that the chain lengths 35 strike
the tops or plant material to be severed and disintegrated,
the top stubs projecting from the beet crowns, thus dis
whereby such material is more thoroughly acted upon
integrating the stubs and any associated top growth.
by the cutting and beating means.
Thus, the chain lengths 35 serve as impact elements
These and other objects and advmtages of the present
striking the plant material close to the ground and thor
invention will be apparent to those skilled in the art
oughly pulverizing and shredding the same.
after a consideration of the following detailed descrip
While I have shown and described above the preferred
tion, taken in conjunction with the accompanying draw
structure in which the principles of my invention have
ings, in which:
been incorporated, it is to be understood that my inven
FIG. 1 is a fragmentary perspective view of a rotary
tion is not to be limited to the particular details shown
beater in which the principles of this invention have been 30 and described above, but that, in fact, widely different
means may be employed in the practice of the broader
FIG. 2 is an enlarged sectional View taken generally
aspects of my invention.
along the line 2-2 of FIG. 1, showing two of the ?ails
in the positions they occupy when the beater unit is ro
What ‘I claim, therefore, and desire to secure by Letters
35 Patent is:
tated, the wheels and associated framework ‘of the imple
1. A rotary beater for disintegrating the tops of row
ment not being illustrated.
crop plants and other plant material, comprising a 1'0
FIG. 3 is a view taken generally along the line
tatable shaft disposed generally transversely relative to
of FIG. 2.
the direction of forward travel, and a plurality of plant
FIG. 4 is a fragmentary side View showing the action
cutting and disintegrating ?ails swingably connected with
of the ?ail units when severing and pulverizing sugar
said shaft and adapted to extend generally radially out
beet tops.
wardly therefrom when said shaft is rotated, each of said
Referring ?rst to FIG. 1, the implement in which the
?ails comprising a bar having inner and outer end por
present invention is incorporated is shown as including a.
tions, the inner end portion being pivoted to said shaft,
main frame 10 that comprises transverse and fore-and 45 and the outer end portion of the bar being curved and
aft extending frame members indicated at 11 and 12 and
sharpened to present a cutting edge facing generally in
side members or plates 13, two :of the latter being pro
the direction of rotation of said shaft and bar, and a
vided but only one being shown in FIG. 1. The two
?exible beater element swingably connected with the back
side members 13 support a rotary shaft 15, preferably in
of the curved portion of said bar and extending gener
the form of a pipe member 15 (FIGS. 2 and 3). The 50 ally radially outwardly of said shaft beyond said bar.
frame 10 is adapted to be drawn by any suitable means
2. The invention set forth in claim 1, further char
and the shaft 15 may be rotated in any suitable way.
acterized by said shaft carrying one or more pairs of
The frame 10 is supported upon a pair of ground wheels
apertured lugs ?xed to said shaft in axially spaced apart
21, only one of which is illustrated, each supported by
relation, said ?ail bar comprising a ?at member having
stub axle means 22 ?xed to the lower end of a generally 55 a connecting sleeve at said one end, a bushing disposed
vertical standard 23 that is vertically shiftable in a suit
in said sleeve and between a pair of said apertured lugs,
able support 24 carried by the frame 10. The latter may
and an attaching bolt extending through said bushing for
be raised and lowered relative to the ground wheel 21
?xing the latter to said ‘lugs.
by any suitable means.
3. An apparatus for cutting and disintegrating the tops
A plurality of ?ail elements 30 are carried by the ro
of row crop plants and other plant material, said appa
tatable shaft 15 and generally such elements are dis
ra-tus comprising: a rotatable shaft disposed generally
posed in generally diametrical opposite arrangement as
transversely relative to the direction of forward travel,
shown in FIGS. 2 and 3. Each of the ?ail elements 30
means to rotate said shaft in a predetermined direction,
includes a cutter bar 31 and carrying at its inner end a
sleeve section 32 and at its outer end a curved portion
cutting and disintegrating means carried by said shaft,
said cutting and disintegrating means including a plate
33 terminating in a cutting edge 34 that faces generally 65 like element having inner and outer ends, said outer end
in the direction of movement of the ?ail element when the
being provided with a curved portion terminating in a
shaft 15 is driven. Each ?ail element also includes a
cutting edge facing generally in said direction of rotation,
?exible beater section 35, preferably in the form of a
said inner end being pivotally secured to said shaft, and
length of chain having its inner link 36 connected by a
a ?exible beater element having radially inner and outer
bolt 37 to a pair of apertured lugs 38 that are fixed, as
end portions, said inner portion being connected to said
by welding, to the rear face of the curved section 33.
plate-like element and the outer end portion extending
A bushing 41 is disposed in each of the sleeve sections
radially outwardly of said cutting edge, the parts being
so arranged and constructed that during rotation of said
shaft the curved portion of the plate-like element will act
to create a certain amount of suction to tend to lift plant
a generally transversely disposed cutting edge, and a ?exi
ble beater secured at one end thereof to the rearward
face of the curved portion of said plate-like element, the
inner end of said plate-like element being adapted to be
growth, the cutting edge Will sever the top portion of the 5 connected to said rotatable shaft“
plant growth, and the ?exible beater element Will strike
the plant material close to the ground to disintegrate the
References Cited in the ?le of this patent
4. A ?ail adapted to be secured to a generally trans
versely disposed rotatable shaft, said ?ail comprising a 10 2,608,816
Lembke ______________ __ Sept. 2,
plate-like element having inner and outer ends and rear
ward and forward faces, said outer end being provided
with a forwardly extended curved portion terminating in
‘Swertfeger ________ __»___ Oct. 12, 1954
Lundell _____________ __ May 31, 1960
Cunningham _________ __ June 13, 1961
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