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Патент USA US2133061

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Oct. 11, 1938. '
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2,133,061
|_. H. STRAYER
ROTARY SORTING MACHINE
Filed Oct. 20, 1956
v/'76. 3
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BY
INVENTOR.
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ZAW/PE/VCE /z’ &/?AY_ER
ATTORNEYS
Patented Oct.11,1938
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u-mrsosmrss» PATENT“ omics
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2,133,061:
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Korma Somme-“MACHINE.
LawrenceRjSti-ayer; Kent, Ohio. assignor to The‘
'L‘ams'on &"Se'ssion‘s\ Company,- Kent, Ohio, a
corporation’ of Ohio -
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_ ' Application; ember 20, 1936; Serial- 86,106,607‘
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(crate-182)v "
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This invention relates to apparatus. for sorting
bolts or other articles,‘ and more; ‘particularly
of the gauge elements which may be used in my
sorting machine and showing the gauge elements
to an'improved' machine'of thiskind- which is
in elevation‘, and
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capable of relatively highspeedwoperation, and’
Fig. -5~is. a detached plan, view of the gauge .
5-._;which automatically’ selects" and discharges- the. elements.
articlesiof oversize orv irregular character."
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My improved sorting machine is especially use
An object of my‘invention'isto provide‘an im- " ful in the manufacture and handling of bolts "
proved sorting machine'- having a gauge-and an and other articles, and operates to sort out ar-l
article supplying means, and whereina mov-. ticles which are of irregular or unsatisfactory
lei-able support operates'to; repeatedly bring the
(111al'aA-‘Abel'istic-v In the‘ accompanying drawing 10‘.
gauge into position‘ to receive individual article ‘
tQ'Whi-Ch more detailed reference will presently
from the supplying means.
be made, I have shown my invention embodiedin
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Another object vof myrinvention is to provide
a sorting machine which is adapted to ‘handle
an improved sorting machine‘havinga gauge and ' threaded bolts or the like, but 'it should be under
15v;rotary means operable to supply individual articles in succession to the gauge;
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stood‘ that the- invention may be embodied in 15/
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machines of different form and construction from -
Still another object of my invention is-to-proVide- an improved machine .for" sorting bolts; or‘
that herein disclosed'and' ‘maybe applied to-the '
sorting‘ of 'various other articles;
other articles, having a pair of rotatable drums»
zoswith peripheral openings adapted to registerfwitn
My improved Sorting machine may be provided
with'a‘ suitable frame or support ' N!‘ which, as ‘20
each other during rotation, and wherein article
shown-in this instance, may have ‘a generally ?at‘
gauging and feeding means. associated with? the top _I I. A‘I'pair‘of disk-like ‘members or drums '
openings of the respectivedrumsare-brought, lz'and ""mayYbe'mwnted 0n Shaftsv “ and '5
into cooperatingrelation during-the rotation-‘of fonrotationabove'the'top H." The‘drums- I2
35 the drums,
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andil3 'lieinwsubstantially the same transverse 25
Aafurther Object of 'my-jnvgntioh is to provide» planeiand' the‘shafts l4 and I5 thereof-are spaced
2. sorting machine, of thetype referred to, have
ing a gauge and a rotary feed device operable
to supply individual articles thereto in succes-
apart a‘ distance such that the peripheral ledges
o-f thei-drums 'are'just' out of contact with'each
other'during' rotation, 1 The >-drums~ may be of
3051011, and wherein means cooperating with‘ the
gauge acts to eject articles therefrom.‘
the- same" diameter and may: be connected 30
,
through suitabl?means, Such .35 main and idler
.S-till another object of myinvention is‘to provide an improved sortin'gjmachine; of thetype‘
referred to,_having\a‘ gauge adapted .to'permib
35 passage of articles of predetermined characteristics and to temporarily hold other articles, and
wherein individual articles are supplied to‘ the
gears ‘I’! and “I, so that they Will rotate at the
same speed-but inopposite directionssimulating
the rotation which they would. have if they ro-?
tated with their peripheral surfaces ‘in contact. 35
The drums maybe driven by any. suitable power
means such as an electric~ motor having a drive
gauge during relative rotary, movement-between : connection with one of the shafts or one of the
the latter and an article feeding means andauto-
gears mentioned above. '
.w matically operated means ejects'the‘articles tem- porarily held by the gauge-
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,For a purposeito be presently explained the 40
drumv.l2 isprovided'with peripheral openings
Other objects and advantagesjof‘my invention which are spaced apart circumferentially and‘
Will be. apparent from the f0110W1ng:descripti0n:= which communicate with larger openings‘v o-rrei
When'taken in Conjunction’ with theaccompany- cesses‘extending inwardly of the drum toward the
45 ing sheet ofdraWings'in-which;
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shaftllfthereof; ‘In this instance'I showtwo 45
Fig. 11'8" 941118411 view .Of an article'sorting-ma-f peripheral openings“ and 2-! leading into the
chine embodying my» invention- .
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largeryopenings‘t'?avand 21a, although any suit
iFig.2 is a partial plan view thereof but‘showingthe gauge carrying member'in a diiferent po5U;-sition.~
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Fig. 3 is a partial transverse‘ sectional .view:
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able number? of ‘such sets of' openings can be.
provided. The drum’ I3 is ‘provided around-the
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edge thereof with an upstanding ?ange or rim'50
taken through the gaugecarrying member and
23 which is. interruptedv at circumferentially
spaced points by substantially radially extending
article ejecting meanSQQaS‘JindicatedJby‘ line 3%3
.ope'nings'therethrough. In thisinstance I show:
of Fig.2;
twosuch radial openings 14> and 25"to corre
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Fig. 4; is a detachedview illustrating onex-formz' spond ingnumbe'r and arcuate spacing with the 55
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2,133,061
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openings 20 and 2| of the drum l2, although any
ed on the drum, and each plunger may have a
block or shoulder portion 36 thereon in spaced
relation to its hearing. A compression spring 38
suitable number of such openings may be em
ployed so long as they correspond in spacing with
the openings of the drum i2. The gearing I1,
l8 connecting the drums l2 and I3 is so arranged
that the openings 24 and 25 of the drum l3
will register, respectively, with the openings 20
and 2! of the drum 12 as thedrums are rotated
on'each plunger between the bearing 35 and the
block 36 normally urges the plunger outwardly
toward engagement with the boltlof the corre
sponding article receiving opening of the drum.
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It is; desirable'to retract the plungers'32 and
33 from the‘ openings 24 and, ‘25Vat or just prior
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ri‘he drum l2 constitutes the gauge carrying to the movement of these openings past the 10
member of my sorting machine and the drum l3": magazine 30, so that the individual articles may
constitutes a part of the article feeding‘or sup? pass from the magazine into the openings with-.
plying means. One form of gauge 'whichimay" out interference from the plungers. For this
be used inymy sorting machine comprises a pair purpose I provide a cam 40, which may be sup
15 of elements 26 and 2'l'spacedjapart a-distance ;ported/abo‘ve'the drum‘ l3 by a bracket 4| ex
which'permits the passage therebetween of all tending from the top H, and with which the
articles or" ‘satisfactory form or characteristic block portions 36 of the plungers cooperate. The
but which prevents passage of articles of irregu- = cam 40 may bean elongated arcuately extending
lar or oversize characteristics. A gauge-formed ' member, asshown in Fig. 1, which islocated to
be engaged by the block portion 36 of each 20
20 by .a pair of such cooperating elements is
mountedin each of the peripheral openings of plung'er'immediately after the plunger passes the
the drum, so that the articles ‘of satisfactory transfer station at which the bolt is ejected from’
characteristic which passthrough the gauges the opening of the‘ drum l3 and pushed into the
move intothelarger openings or recesses, 20a opening of the gauge. The rotation of the drum
about their axes.
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and Zia of the drum.
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The gauge elements 26 and 21 may be in the
} l3 occurring justafter engagement of the bloci; 25
portion 36 with the cam 40 results in the plunger
'form . of elongated arcuate- blocks conforming ' being retracted'as the block portion slides along
substantially to the‘curvature of the periphery the inclined cam face and, when the article re
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oi“ the drum l2 and having their ‘adjacent ends ceiving opening reaches a position opposite the
spaced to provide the desired ‘gauge opening to ; magazine 3!], theplunger is fully retracted and 30
which the articles ‘are to be presented. " When the corresponding drum opening is free to re-'
ceive a bolt from the magazine.
the articles to be sorted arebolts' having thread
'As each article receiving opening moves away
ed stems,>as in this instance, the adjacent ends
‘ of the gauge elements 25‘ and‘ 21 are provided
from the magazine 30 the block portion '36 of
the cerresponding plunger leaves the cam 43, 35
35 with teeth or serrations 28, as shown'in Fig. 4.
.- If‘the stems of the bolts being sorted'are of whereupon the spring 38 moves the plunger out
proper size and form the threadsr'thereof will wardly and causes the bolt to be pressed against
mesh with the serrations 28 and the bolts will the guard ‘member 3|. ’ During movementof the
pass through the gauge opening. .If the stem is article receiving opening ‘or pocket from the
magazine 30 to the transfer ‘station, the bolt is 40
40 oversize or if the thread is of improper pitch or
'form the bolt will not pass through the gauge _ retained in its pocket by the guard member and
but will be temporarily retained therein.
either rolls or slides along ‘the inner surface of
The openings 24 and 25 provided‘ in the ?ange the latter. When the bolt-carrying opening or
23 of thevdrurn l3, constitute article receiving pocket of the drum 13 passes the'end 3|’ of the
pockets which move past the lower. end of a
guard member 3| the bolt is no longer con?ned
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magazine or galiey 307 containing a supply of the ‘ radially and the ‘spring 38 then forces the
bolts to: be sorted.‘ -As the vopenings 24 andZF
pass the lower end of the magazine 30 individ
ual bolts move thereinto as the result of gravity
50 or pressure acting'on the suppiy of bolts in the
magazine. When individual bolts are received
in the openings 24 and 25 of the drum I31 the
stem extends downwardly between the opposed
shoulders defining the sides of the openings and
55 is held by these shoulders against shifting cir
cumferentially of the drum; To prevent the
' bolts from being thrown out of the openings ‘24
and 25 by centrifugal force I provide an arcuate
guard or retaining membertl adjacent a portion’
ample the gauge 2| as shown in: Fig. 1.' If the 50
article is of the‘ desired predetermined charac
teristic it passes through the gauge opening and
into ‘the larger opening 2Ia of the drum I2, as
indicated in Fig.1, from which it drops down
wardly and passes through an opening of the 55
top H into a suitable receptacle.
If the bolt is oversize'or of irregular form it
will not pass through the gauge opening but
of the periphery of the drum and extending from
the magazine 30 around in the direction vof rota-v
will be temporarily held between the gauge ele—
ments. As the drums continue to rotate the 60
plunger of the drum [3 separates from the gauge
tion'to a point adjacent the transfer station at
which the openings of the drum"! 3 registe'r'with
gauge passes behind an arcuately extending‘
the openings of the drum l2.
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plunger outwardly causing-the bolt to be ejected
fromv the pocket and pushed into the opening
of the gauge which'is then in registry,‘for ex
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. For ejecting’ the bolts from the'openings 24
and ‘25 of the drum l3 and‘presenting the same
leaving the holttemporarily held therein and the
guard 42,'see Fig. '2, which prevents the bolts
from beingv thrownv vout by centrifugal force.
move radially outwardly into the article receiving
When the drum I 2 has rotated approximately
180° from the transfer station’ the "gauge ar
rives at a position over a receptacle 43 and the
bolt passes the end 44 ‘of the guard member.
At this point the irregular or oversize bolt is 70
ejected from the gauge and drops into the re
openings .24, andZEitothereby eject the bolts.
ceptacle.
. to the gauges of the corresponding'openings 20 .
and \2! of the drum I2 I provide-ejeetors pref
erably in the form of plungers 32. and33. . These
70 .plungers may be mounted on the’ drum 13 to
‘7 ' frornthese openings and push them into the
gauges. ‘The plungers *may be slidablein, andv
75E guided by, suitable bearingsf35 which are mount,
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For ejecting ,the'irregular or oversize bolts
from between the gauge elements I may provide
the. drumllewith an 'ejectordevice comprising 75
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2,133,061
a bell crank lever 45 which may be pivoted on a
projection 46 of the drum so that the arm 4'!
Having thus described my invention, I claim:
1. In a machine of the character described the
thereof is adapted to swing across the drum‘ combination of a pair of rotatable drums having
opening and move outwardly between the adja
peripheral openings adapted to register with each
an
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20
30
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cent ends of the gauge elements. The other arm
other during rotation of the drums, a gauge in
of the bell crank lever extends downwardly in the opening of one drum comprising a pair of
angular relation and forms a trigger 48 which elements spaced to permit passage of articles of
is adapted to engage a cam 49.~ A tension spring‘ predetermined characteristic and to temporarily
50 normally holds the lever 45 in retracted posi ' retain other articles, means for feeding individ
tion, but when the trigger 48 engages the cam 49 ualarticles to the opening of the other drum, a
the lever is swung on its pivot and the upper arm ‘plunger operable to transfer the individual arti
thereof moves outwardly between the' gauge ele
cles from the opening of said other drum to said
ments to eject the bolt therefrom. As shown in _ gauge, means for actuating said plunger to re
Fig. 2 the cam 49 is located adjacent the ‘recep
tract the'same adjacent the feeding station and
tacle 43 and causes this outward movement of to extend the same adjacent the transfer station,
the ejector to occur immediately after the gauge and means for retaining the articles in the open
passes the end 44 of the guard member 42.‘
ing of said other drum during travel from the
Although I have shown‘the gauge elements 26 feeding station to the transfer station.
and 21 as having teeth or serrations 28, it will
2. ‘In a machine of the character described the
be understood, of course, that plain gauge ele
combination of a pair of rotatable drums having
ments may be used if desired when unthreaded peripheral openings adapted to register with each
bolt blanks or like articles are to be sorted. It
other during rotation of the drums, a gauge in
will also be understood that various other forms
the opening of one drum comprising a pair of
of gauge elements may be employed without de
elements spaced to permit passage of articles of
parting from the invention.
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predetermined characteristic and to temporarily
From the foregoing description and the accom
retain other articles, means for feeding individ
panying drawing it will now be readily_'under
stood that I have provided an improved sorting ual articles to the opening of the other drum, a
plunger operable to transfer the individual ar
machine which is adapted to be operated at rel
ticles from the opening of said other drum to
atively high speed and which automatically se
lects and discharges those bolts or other articles said gauge, means for actuating said plunger to
which are of unsatisfactory or irregular form or retract the same adjacent the feeding station and
characteristic.
to extend the same adjacent the transfer station,
While I have illustrated and ‘ described the means for‘retaining the articles in the opening
sorting machine of my invention it will be under
of said other drum during travel from the feeding
stood, of course, that I do not wish to be limited station to'the transfer station, and means oper
to the precise details and arrangements herein able to eject the temporarily retained articles
disclosed, but regard my invention as including
such changes and modi?cations as do not involve '
49 a departure from the spirit of the invention and
scope of the appended claims.
from the gauge.
LAWRENCE H. STRAYER.
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