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Патент USA US3075224

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Jan. 29, 1963
w. A. NELSON
3,075,214
APPARATUS FOR CLEANING FRUIT sucn AS BERRIES AND THE LIKE
Filed June 20, 1960
2 Sheets-Sheet 1
WILFORD 'A. NELSON
INVEN TOR.
Jan. 29, 1963
w. A‘ NELSON
3,075,214
APPARATUS FOR CLEANING FRUIT SUCH AS BERRIES AND THE LIKE
Filed June 20, 1960
2 Sheets-Sheet 2
WILFORD A. NELSON
‘ IN VEN TOR.
8%
f
AYY'Y
iinited grates
' atent
3,975,214
Patented Jan. 29, 1963
1
2
3 075,214
and to the cross member 11 is secured one end of a
AS BERREES AND THE LEE
stationary cylinder 13 partially closed at its forward end
by a semicircular plate 14 to provide a similar opening
‘Wilford A. Nelson, Rte. 1, Box 175, Hubbard, Oreg.
Filed dune 20, 1960, Ser. No. 37,138
2 Claims. (Cl. 15-—3.11)
This rearward wall is provided with an opening 17 by.
means of which the interior of the cylinder 13 is in
APPARATUS FOR ULEANI‘NG FRUIT SUCH
This invention relates to apparatus for cleaning frozen
tripe berries of various types.
_
15 and closed at its rearward end by a circular wall 16..
communication through a duct 18 with a blower fan :19,‘
and also provided with a second opening 20 to provide
a spillway directed to a conveyor generally indicated at
It is one of the principal objects of the invention to 10 21, and as best shown in FIGURE 1, the cylinder is in
provide a novel construction into which quantities ofv
clined rearwardly and downwardly.
berries are fed at one end and automatically subjected
A reticulated open-ended cylinder 23 is rotatably sus
to a ?rst stage of vibratory, gyratory, and oscillatory
pended concentrically Within the cylinder 13 by means
motion, then rolling and tumbling motion in acontinuous
of belts 24 and 25 entrained respectively over driving
stream of air and ?nally to a second or last stage of. 15 pulleys 26 and 27 and over one side of double tracks in
the motions mentioned as they approach and leave the
the form of annular channel members 28 and 29‘ secured
discharge end of the apparatus.
to and entirely encircling the cylinder 23 near the for»
By means of this invention, it is now possible to
ward and rearward ends thereof. The cylinder, 13 is
thoroughly clean voluminous quantities of berries in a.
provided with suitable openings 30' and 31 for passage
days run and to deal with each berry in such a manner. 20 of the belts 24 and 25 therethrough. Apertures 32 arev
as to ensure effective cleaning results
without damage.
to the berries themselves, all as is highly desired.
The common existing practice in the industry is to
also provided in the bottom peripheral wall of the cylin
der near the rearward end thereof for a purpose which
will become apparent as the description proceeds.
wash berries by means of a ?uid as the berries are passed
Co-operating with the belts 24 and 25 for stabilizing
through a tank or the like. Such systems all have cer 25 the cylinder 23 in its rotationabout its longitudinal axis
rain common and obvious objections in that in order to
within the cylinder 13, and for maintaining proper ten
operate them a cleaning ?uid must be employed which
sion on the belts are respectively two pairs of rollers 34
is liable to do irreparable harm to the berries being
and 35 operating respectively in the other side 37 and 38
cleaned. Accordingly, I have devised a novel apparatus
of the annular channel track members 28 and 29. Each
whereby these difficulties and objections are overcome. 30 roller as best illustrated in FIGURES 3 and 4 is carried
I accomplish this by the provision of apparatus which
by the inner end of a shaft 40 laterally adjustable within
obviates the necessity for employing a fluid in the ?rst
a slide bearing 41 and lockable thereto in adjusted posi
instance and rely entirely upon the cleaning action of an
tions by a set screw 42. The bearings 41 are secured to
air stream at high velocity ?owing through, over, and
angle brackets 44 mounted upon supporting rails 46»
around the berries in their uninterrupted passage through 35 secured
at their ends to the corner posts 3 and intermedi-—
the apparatus in vibratory, gyratory rolling and tumbling
ate posts 4.
motion.
The shaft 48 to which the driving pulleys 26 and 27
Although my inventiontwill be described hereinwith
are secured is operatively coupled as at 49-50 to a
particular reference to a berry cleaner, it will be readily
speed reducer 51 driven by a belt 52 entrained over the
understood that its utility and application extend beyond 40 driving
pulley of a motor 53 mounted upon a rail 54‘
the particular type of cleaner herein speci?ed and com
secured at its ends to the posts 5 and 6. The blower
prehends the useful and novel features set forth when ap
fan 19 is driven by a belt 56 entrained over the driving
plied to any produce which is susceptible to a cleaning
pulley of a motor 57 supported within the frame 1.
operation where dirt, dust, or the like is desired to be
, The endless belt of the conveyor 21 to which buckets
removed therefrom as the produce is conveyed through 45 60
are conventionally secured is entrained at its'top' and‘
the various stages of the motions above referredto with
bottom ends’ over rollers secured to shafts 61 provided.
out material alteration to the structural, features of the
with sprocketwheels 62 and driven by a sprocket chain
invention.
63 entrained thereover and over the sprocket wheel 65
The foregoing and other objects and advantages which
will become subsequently apparent reside in the details ~.
of construction and operation as more fully hereinafter
described and claimed, reference being had to the. ac
companying drawings forming a part hereof, and in
of a speed reducer 66 in turn driven by av belt- 67 entrained over its driven pulley 68 and- over one of two
driving pulleys 70 of' a motor 71 also mounted within
the framework 1. The conveyor is supported within the’
framework 1 by brackets 22 secured to the side walls?‘
which:
of the conveyor and to the beams 7 and 8.
FIGURE 1 is a side elevational view of apparatus. 55
Mounted within the framework lupon pairs of flexible
made in accordance with my invention with fragmentsv
supports 74, . 75, 7:6, and 77 . is an inclined oscillating
broken away for convenience of the illustration.
screen assembly comprising a forward feed section F ex-*
FIGURE 2 is a top plan view of. FIGURE 1.
tending into the interior of the cylinders 13 and 23
FIGURE 3 is a sectional end elevational view taken
through the opening 15 in the frontend of the cylinder
approximately along the line 3-3 of FIGURE 4. '
60 13, and a discharge section D pivotally connected as at‘
FIGURE 4 is a fragmentary detail view on an enlarged
I 80 to one end of a pitman v81 whose opposite end is con»
scale.
nected to an- eccentric 82 whose shaft 83 is journaled?
FIGURE 5 is an end elevational view of a ?xedly
in a bearing block 84 mounted upon the‘ rail 54 and
mounted cylinder and its relationship to a conveyor.
driven by aibelt 86 entrained, over its driven pulley 88'
With continuing reference to the drawings, wherein 65 and over the other driving pulley of the motor 70. Both
like reference characters designate like parts, reference
screen sections F and D are in the form of trays having
numeral 1 indicates generally a framework comprising
front and side walls and open at their-rearward ends.
elongated parallel base members 2 interconnected at their
The trays are rearwardly inclined, as shown, and pivotally
ends and provided with corner posts 3 and 4 andiinter
interconnected by a pair of links 90 so that oscillatory
mediate posts 5 and 6. To the top end of these posts
motion imparted to the screen section D by the eccentric
3—6 are secured two parallel beams 7 and 8. The corner 70
82will be simultaneously transmitted to‘ the-screen sec
posts 3 are interconnected by cross members It} and 11
tion F.
3,075,214:
3
For convenience in feeding berries to the forward
screen section F, I provide a rack 95 swingably attached
as at 96 to the top end of a pair of posts 97 mounted
upon the outer end of supporting arms 93 secured to
and extending forwardly from the framework 1.
From the foregoing, the operation of my invention will
be readily understood. With the feed and discharge
screen sections F and D, rotating screen cylinder 23,
4
bottom end with the interior of said reticulated cylinder
and the interior of said ?xed housing through said second
opening in the rear wall thereof to receive berries gravi
tated from said reticulated cylinder and adapted at its
top end to discharge the berries onto said discharge tray,
whereby the berries will gravitate while in vibratory,
gyratory, and oscillatory motion from the feed tray into
said rotatable reticulated cylinder and be subjected there
in to rolling and tumbling motion in an air stream from
conveyor 21 and blower fan 19 all in operation by their
respective motors and drive connections, a tray of frozen 10 said air pressure generating means and to gravitate from
said cylinder onto said conveyor and from the conveyor
berries is placed upwardly against the underside of the
onto the discharge tray and be subjected to a second
rack 95 when the rack is in a horizontal position. The
stage of vibratory, gyratory, and oscillatory motion as
tray and rack are then swung upwardly into the position
shown in FIGURE 1 where the rack will come to rest
they gravitate toward the discharge end of said discharge
against a limit stop 99. in approaching this position the
berries will spill onto the feed section F and partake of
tray.
the vibratory, gyratory and oscillatory motion imparted
2. Apparatus for cleaning foreign matter from the
exterior surfaces of berries and the like, comprising in
to it as aforesaid. And such motion will cause the ber
combination a framework having a forward end and a
ries to disseminate over the feed section and foreign
matter to be shaken from them as they gravitate into the
rearward end, an imperforate cylindrical housing of uni
form diameter throughout its length ?xedly mounted with
rearwardly inclined rotating screen cylinder 23 where
they are subjected to further cleaning by the rolling and
tumbling action imparted to them and also by the air
stream coming from the blower fan 19. Foreign matter
shaken from the berricsis picked up by the air stream
and blown out through the open end of the cylinder 23
in the framework at the forward end thereof and rear
wardly inclined relative thereto, said housing having a
front wall and a rear wall and an opening in the front
wall and a ?rst and second opening in said rear wall in
the bottom portion thereof, said housing having openings
in the cylindrical Wall thereof, power driven belts ex
and that which sifts through the walls of the screen cylin
der is blown out through the openings 32 in the bottom
wall of the cylinder 13. From the screen cylinder the
tending through certain of said openings, a reticulated
cylinder of uniform diameter throughout its length open
at both of its ends and rotatably suspended within said
screen section D to partake of its vibratory, gyratory,
_ rolling contact with said reticulated cylinder, air pressure
and oscillatory motion as they gravitate out through
generating means in open communication through said
?rst opening in the rear wall of said ?xed housing with
the interior thereof and with the interior of said reticu
berries gravitate through the opening 26 in the end wall 30 cylindrical housing by said belts, rollers carried by said
framework extending through other of said openings in
16 of the cylinder 13 and onto the conveyor 21 from
the cylindrical wall of said housing and at all times in
the top end of which they are deposited onto the discharge
the open end of said section and into proper containers
or the like in a thoroughly cleaned and unharmed con
dition.
It is to be noted that there are no bat-lies or
any other obstructions which the berries might impinge
lated cylinder, a rearwardly inclined resiliently supported
reticulated feed tray at the forward end of said frame
’ work extending through the opening in said front Wall
against, nor any whipping air turbulence to damage the
40 of said housing and into the forward end of said reticu
berries as they travel through the apparatus.
lated cylinder, a rearwardly inclined reticulated discharge
While I have shown a particular form of embodiment
tray resiliently supported within said framework at the
ofrmy invention, 1 am aware that many minor changes
rearward end thereof, means interconnecting said feed
therein will readily suggest themselves to others skilled
tray and said discharge tray, motor driven eccentric means
in the art without departing from the spirit and scope
mounted within said framework and connected to said
of the invention. Having thus described my invention
' what I claim as new and desire to protect by Letters
Patent is:
1. Apparatus for cleaning foreign. matter from the
exterior surfaces of berries and the like, comprising in
combination a framework having a forward end and a
rearward end, an imperforate cylindrical housing ?xedly
mounted within the framework at the forward end there
of and rearwardly inclined relative thereto, said housing
having a front wall and a rear wall and an opening in the
front wall and a ?rst and second opening in said rear
wall in the bottom portion thereof, a reticulated open
ended cylinder of uniform diameter throughout itslength
rotatably mounted Within said housing inv concentric
spaced relation thereto, air pressure generating means in
open communication through said ?rst opening in the
rear wall of said ?xed housing with the interior thereof
and with the interior of said reticulated cylinder, motor
means operatively connected to said reticulated cylinder
for rotating the same, a rearwardly inclined resiliently
supported reticulated feed tray at the forward end of said
discharge tray for imparting oscillatory motion simul
taneously to both of said trays, and conveyor means hav
ing a top end and a bottom end communicating at its
bottom end with the interior of said reticulated cylinder
and the interior of said ?xed housing through said sec—
ond opening in the rear wall thereof to receive berries
gravitated from said reticulated cylinder and adapted at
its top end to discharge the berries onto said discharge
tray, whereby the berries will gravitate while in vibratory,
gyratory, and oscillatory motion from the feed tray into
said rotatable reticulated cylinder and be subjected there
in to rolling and tumbling motion in an air streamfrorn
said air pressure generating means and. to- gravitate from
said cylinder. onto said conveyor and from the conveyor
onto the discharge-tray and be subjected to a second
stage of vibratory, gyratory, and oscillatory motion as
they. gravitate toward the discharge end of said discharge
tray.
References Cited in ‘the ?le of this patent
framework extending through the opening in said front’
wall of said housing and into the forward end of said
reticulated cylinder, a rearwardly inclined reticulated dis
charge tray resiliently supported within said framework
at the rearward end thereof, means interconnecting said 70
feed tray and said discharge tray, motor driven eccentric
means mounted within said framework and connected to
said discharge tray for imparting oscillatory motion
simultaneously to both of said trays, andconveyor means
having a top end and a bottom end communicating at its 75
UNITED STATES PATENTS
1,052,697
1,070,304
1,356,049
Thompson ___________ __ Feb. 11, 1913
Thompson ___________ .._ Aug. 12, 1913
1,964,429
2,079,278
Dibert _______________ __ Oct. 19, 1920
Eberts ______________ __ June 26, 1934
Bristow ______________ __ May 4, 1937
2,222,139
Clark ____g __________ __ Nov. 19, 1940
2,425,984
Blackman ___________ __ Aug. 19, 1947
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