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Патент USA US3089622

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May 14, 1963
E. J. NEWCOMER
ARTICLE DISPENSING MECHANISM COMPRISING
A PLURALITY OF ENDLESS CONVEYORS
Filed Sept. 15, 1960
3,039,612
3 Sheets-Sheet 1
INVENTOR
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[VEFETT J/Ié-WCaMA-W
BY
ATTORNEY
May 14, 1963
E. J. NEWCOMER
3,089,612
ARTICLE DISPENSING MECHANISM COMPRISING
A PLURALITY OF ENDLESS CONVEYORS
Filed Sept. 15, 1960
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United States Patent 0 "ice
3,039,612
Patented May 14, 1963
I
2
3,089,612
discharge end, a plurality of regularly spaced ?rst fasten—
ing elements located along the length of each of said
chains, a plurality of transversely extending ?ights dis
posed between said chains, second fastening elements lo
ARTICLE DISPENSING MECHANISM COMPRISING
A I’LURALITY 0F ENDLESS CONVEYORS
Everett .I. Newcomer, Great Neck, N.Y., assiwor to City
Vending Equipment Corp, Maspeth, N.Y., a corpora
tion of New York
Filed Sept. 15, 1960, Ser. No. 56,148
8 Claims. (Cl. 221-11)
The present invention relates generally to improve
cated at opposite ends ‘of said ?ights and ‘adapted to re
leasably engage said ?rst fastening elements, a pusher
member movable along a transverse discharge de?ning
path adjacent the forward end of said chains, and drive
means responsive to the absence of articles along said
10 discharge path to advance said chains.
By reason of the above construction, it is possible to
ments in dispensing equipment, and in particular it relates
adjust rapidly the center-to-center distances between suc_
to improvements in automatic vending machines.
cessive article-supporting ?ights and so to accommodate
Automatic vending machines of the coin-actuated type
and dispense articles of various sizes ‘and con?gurations,
are and long have been widely employed for dispensing
a great many different products, variously packaged. 15 while obtaining a maximum machine capacity. As a
consequence of the above, an important vadvantage is
While conventional coin-actuated vending machines in
achieved over the conventional machine in that a single
many respects operate satisfactorily, they possess numer
mechanism may be employed to dispense any desired
ous drawbacks and disadvantages. Conventional ma
article, for example, cartons and bottles of various sizes,
chines of this type generally lack versatility and ?exibil
ity. The elements thereof are usually capable of dis 20 cans or other containers, baked products, dairy products,
etc., the changes required for such other size or shape
pensing only one size or shape of an article, and they re
being simply, easily and quickly made. Of course, the
quire major modi?cation and, quite often, rebuilding to
cabinet housing the dispensing mechanism may be re
accommodate them for dispensation of articles of other
frigerated or heated, as desired, for the particular article
sizes and con?guration.
Moreover, conventional vending machines require con 25 to be dispensed thereby. A further advantage of the pres
siderable ?oor area for a given number of ‘articles to be
ent mechanism is that it may be easily and rapidly ad
justed in the ?eld to accommodate the different packages
thus eliminating the necessity for returning the machine
to the factory for such service, with attendant expense
plex in operation and subject to frequent malfunctioning.
30 and shut-down time. Furthermore, with the present in
They otherwise leave much to be desired.
vention’s method of front loading, a minimum vertical
It is, therefore, a principal object of the present inven
spacing between multiple vending mechanisms in a vend
tion to provide an improved automatic dispensing ma
ing machine cabinet allows for a larger number of or
chine.
variety of products to be vended in a given vertical height
Another object of the present invention is to provide an
35 and greatly increases the machine capacity for a given
improved coin-actuated automatic vending machine.
floor area.
Still another object of the present invention is to pro
Another feature of the present invention resides in the
vide an improved automatic vending machine capable of
disposition of the mechanism for motivating the dis
being adjusted easily and quickly to accommodate articles
charge pusher member within the volume ‘delineated by
to be dispensed of a large range of sizes and con?gura
40 the conveyor chains, the pusher member extending up
tions.
wardly into the discharge path. As ‘a consequence, the
A further object of the present invention is to provide a
capacity of the machine per unit of horizontal area or
versatile, ?exible vending mechanism having a maximum
floor space is appreciably increased over that of the con
capacity for its horizontal area.
ventional machines otherwise constructed.
A still further object of the present invention is to
According to a preferred form of the present inven
provide an improved vending machine of the above na 45
tion, the conveyor chains are sprocket chains carried by
ture, characterized by its structural ruggedness and sim
‘dispensed thereby, ‘such factor necessarily limiting their
capacity.
In addition, these machines are bulky, com
plicity of and reliability in operation.
The above and other objects of the present invention
will in part be apparent and in part pointed out below
in the following description of an illustrative embodi
ment, taken in conjunction with the accompanying draw
ings, wherein
suitably supported sprocket wheels, the pin connecting
the sprocket chain links being provided with inwardly
directed extensions which de?ne ?rst fastening elements.
The ?ights consist of inverted T-member-s having up
standing medial webs and provided at their ends with
depending bracket plates having spaced apertures and
de?ning second fastening elements. The bracket open
ings engage pairs of successive fastener pins and the cen
mechanism embodying the present invention, illustrated
55 ter-to-center distance of the ?ights may be adjusted simply
partially broken away;
by removing the ?ights, transversely spreading the chains
FIGURE 1A is a perspective view of an article convey
to disengage the pins from the brackets, relocating the
ing and delivery ?ight;
?ights as desired by bringing the brackets into engage
FIGURE 2 is a front elevational view of the dispensing
ment with the corresponding pins and then returning the
mechanism, illustrated partially broken away and par
60 chains to their normal position. The pusher member
tially in section;
is mounted on a transversely extending endless sprocket
FIGURE 3 is a sectional view taken along line 3-3 of
chain and the upper advancing run of the chain projects
FIGURE 1;
upwardly between a pair of successive ?ights. Switch
FIGURE 1 is a top plan view of an improved dispensing
FIGURE 4 is ‘a sectional view taken along line 4-4 of
means actuated by the pusher member are provided for
FIGURE 3; and
65 preventing the advance of the ?ights while the pusher
FIGURE 5 is a circuit diagram of the dispensing mech
vmember is disposed in the path thereof. The drive and
sequence control mechanism will be hereinafter described.
anism electrical network.
In a sense, the present invention contemplates the pro
vision of an improved automatic article dispensing mech
Referring now to the drawings, which illustrate a pre
ferred embodiment of ‘the present invention, reference
anism comprising a pair of transversely spaced, longitudi 70 numeral 16 designates generally a support frame which
is housed in or may form part of a vending machine
nally extending, endless conveyor chains having substan
tially horizontal parallel upper runs advancing toward a
cabinet, and includes ‘front and rear walls 11 and 12 and
3
4
side walls 13 and 14. The right or discharge end por
tion of frame 10 is reinforced by a ?rst bracket de?ning
that other separable fastening means may be provided
releasably to attach the ?ights 37 to chains 32 and 33.
Sprocket chains 32 and 33 and ?ights 37 are advanced
vertical plate 16 extending transversely between and suit
ably secured to the inner faces of walls 11 and 12, and
by means of an electric drive motor ‘M1 mounted on a
motor bracket 42 supported on the inner face of the
transverse wall 18 and laterally divergent wing sections
rear wall 12 of the vframe at a point below and trailing
19, the ends of which are secured to the inner faces of
the shaft 26. A pulley 43 is a?ixed to the drive shaft
walls 11 and 12. Mounted on the inner faces of walls
of motor M1 and is coupled by means of a suitable belt
11 and 12 adjacent the upper edges thereof is a ?rst pair
44 to a relatively larger pulley 46 af?xed to shaft 26.
of coplanar, longitudinally extending, track-de?ning angle 10 The mechanism for dispensing a unit article from the
irons 20, and adjacent the lower edges thereof is mounted
vending machine includes a second electric motor M2
a second pair of coplanar, longitudinally extending, track
having a longitudinally extending drive shaft to which is
members 21, track members 20 and 21 extending to points
aflixed a sprocket wheel 47. The motor M2 is mounted
short of side walls 13 and 14.
on a base plate 48 provided along opposite edges with
a second bracket 17 which includes an intermediate
A ?rst, transversely extending, freely rotatable shaft 15 upwardly outwardly directed bell crank shaped arms 49
having longitudinally bored bushings 50 at the knee
portions thereof. Slidably registering with bushings 50
23 is located between side wall 13 and the trailing ends
of tracks 26 and 21, and approximately between the levels
of the tracks, and is journalled to front and rear walls
11 and 12 by means of oppositely disposed suitable bear
are a pair of parallel, longitudinally extending, rods 51
having threaded ends passing through corresponding
ing members 24. A second, transversely extending, freely 20 openings formed in the bracket plates 16 ‘and 18 and
rotatable shaft 26, parallel to and coplanar with ?rst shaft
.a?ixed thereto by engaging pairs of lock nuts 52 embrac
23, is located between side wall 14 and the leading ends
of tracks 25‘- and 21, and is journalled to front and rear
walls 11 and 12 by means of suitable bearing members
ing the ‘bracket plates 16 and 18. The base plate 48 and
arms ‘49 are thus longitudinally adjustable and are re
leasably ?xed in position by means of set screws 53 car
27. A pair of transversely spaced ?rst sprocket wheels 25 ried by tapped transverse bores in bushings 50.
28 is mounted on ?rst shaft 23 adjacent the ends thereof,
Located at the free ends of arms 49 are bearing mem
said wheels 28 having their upper and lower peripheral
bers 54 which support parallel longitudinal stub shafts 56
cdges at about the levels of tracks 20 and 21. Affixed
to second shaft 26 adjacent its ends is a second pair of
sprocket chain 58 passes about the sprocket wheels 47
on which are mounted idler sprocket wheels 57.
A
transversely spaced sprocket wheels 29 the upper and 30 and 57, and includes an upper transverse run advancing
lower peripheral edges of which are likewise at about the
levels of tracks 20 and 21.
A pair of transversely spaced longitudinally extending
forwardly from the rear along a horizontal path imme
diately below the upper run of ?ights 37 in the neighbor
hood of the leading end of said upper run. A pair of
outwardly directed rectangular plates or pusher members
33 are supported by and engaged by corresponding sets of 35 59 are suitably releasably affixed to sprocket chain 58 at
sprocket wheels 28 and 29. Sprocket chains 32 and 33
opposite points thereon by means of separable U-mcm
front and rear endless conveyor sprocket chains 32 and
each include an upper advancing run along which the
sprocket chains 32 and 33 ride on tracks 20 and a lower
return run along which the sprocket chains ride on bot
tom tracks 21. ‘Sprocket chains 32 and 33 are of some 40
bers 60 or other suitable separable fastening means, which
separable fastening elements.
A plurality of substantially regularly longitudinally
spaced, transversely extending, article supporting and
dividing ?ights 37 are carried and transported by sprocket
wider or narrower members, in accordance with the width
are secured to the bases of the members 59 and embrace
the chain 58 and secured thereto by corresponding chain
link connecting pins. The height of pusher members 59
is such that they project above the bases of ?ights 37 when
what conventional construction, including successive pairs
the pusher member is located along the advancing run of
of transversely spaced links ‘34, the ends of adjacent links
34 being pivotally connected by roller carrying pins 36.
the chain 58, the path of the pusher member along said
run de?ning the article discharge path. The longitudinal
However, the pins 36 project inwardly from chains 32
and 33 to provide forwardly directed projecting rod ele‘ 45 location of the path of the pusher member 59 may be
varied by adjusting the position of the base plate 48 in the
ments from the rear chain 33 and rearwardly projecting
manner above set forth thereby permitting the centering
rod elements from the front chain 32, the elements of the
of the path of the pusher relative to the bordering flights
respective chains being in transverse alignment by proper
37 attendant to an adjustment of the spacing of the ?ights
angular adjustment of sprocket wheels 28 and 29. Pins
36, in addition to coupling the sprocket links, de?ne ?rst 50 37. Moreover, pusher members 59 may be replaced by
of the articles being dispensed.
An article dispensing vertical chute C is located for
ward of the conveyor chain 34, in alignment with pusher
chains 32 and 33. Each ?ight 37 is de?ned by an in 55 chain 58, and is delineated by the front face of frame
verted T-plate including a base web 38 and an upwardly
wall 11, a forwardly directed panel 63 affixed to wall 11,
and a panel 64 extending from the forward edge of panel
directed medial web 39. Depending from opposite ends
63 and parallel to wall 11. A pair of vertically spaced
of the base web 38 are a pair of vertical bracket plates 46,
each bracket plate having a pair of symmetrically lo
brackets 65 are a?ixed to the inner face of panel 64 and
cated holes 41 formed therein which are longitudinally 60 support a channel-shaped buffer member ‘66 which in
spaced a distance equal to the spacing between successive
cludes a vertical wall 67 terminating in horizontal legs 68
pins 36, the holes in opposite bracket plates being aligned
which slidably abut the confronting faces of brackets 65.
and lying in a common horizontal plane. vlilegularly sepa
Legs 68 are provided with slots 69 which are engaged by
rated pairs of the fastener pins 36 releasably engage the
holes 41 in the second fastener de?ning bracket plates 40
separably to support ?ights 37.
To adjust the spacing between successive ?ights, it is
nut-carrying bolts registering with openings in brackets 65
necessary only to raise chain 32 above track 20 and front
wall 11, pull the center of the chain forwardly so that
to permit transverse adjustment of 1buffer member 66.
Buffer member 66 is substantially medially vertically lo
cated relative to the upper run of ?ights 37.
A discharge cylindrical roller member 70 is provided
with a longitudinally extending shaft 71 which passes
pins 36 disengage the bracket holes 41, shift the ?ight 70 through panel 63 and is journalled thereon by means of
to the desired position and bring the corresponding pins
a suitable bearing 72. The cylindrical surface of roller
into engagement with the holes 41 and permit the chain
70 is of the friction type, and the upper edge thereof is
32 to return to its normal position. This procedure is
repeated with each of the ?ights 37 until the desired
spacing arrangement is achieved. It should be noted
at a level between the upper edge of wall 11 and the
upper faces of ?ight base webs 38, the roller being in
alignment with the discharge path of pusher member 59.
3,089,612
6
5
A?ixed to roller shaft 71 is a sprocket wheel 73 ‘which is
coupled by a sprocket chain 74 to a sprocket wheel 76
affixed to the shaft of an electric drive motor M3. Motor
M3 is mounted on frame wall 11 in any suitable manner.
It is to be noted that the peripheral speed of driven roller
76 exceeds the advancing speed of pusher member 59.
The arrangement for timing and controlling the se
quence of operations of the dispensing mechanism in
cludes a pair of transversely spaced, longitudinally extend
ing horizontal support arms 77, terminating in depending 10
legs 78 which are secured to the frame wall 14. Support
arms 77 are disposed above the level of ?ights 37 and
extend to a point short of the article discharge path.
Mounted upon the ends of support arms 77 are a pair of
aligned brackets 79 which engage a pair of aligned pivot
pins 80 projecting transversely outwardly from the lower
in addition to the above-identi?ed switches S2 to S6 and
the motors M1, M2 and M3, there is provided a normal
ly open coin-actuated switch S1 which is momentarily
closed upon the insertion of a coin, in the well known
manner. In addition, there is included the usual coin~
blocking relay solenoid C, and a relay R provided with
a ?rm arm RB having associated therewith the normally
closed contact lRB and the normally open contact 2RB,
and a second arm RA having associated therewith the
normally open contact 1RA, the arms RA and RB- being
controlled by a relay solenoid RS. Motors M2 and M3
have their terminals connected in parallel, one set of ter
minals being connected by way of a line A to a ?rst pole
of a source of electric current, and the other set of ter
minals being connected to the normally closed terminal
CS6 of two-pole switch S6, and to the normally open
contact 2RB of relay R. Motor M1 has one terminal
connected to the power ilne A and its other terminal con
nected to the normally open terminal 086 of switch S6.
the full length of ?ights 37 and into the article dispensing
vertical chute, and is inclined upwardly from the pivot 20 The arms of switches S5 and S6 are interconnected. The
corners of an article sensing ?ap member 81.
Flap 81
is of rectangular con?guration, extending for substantially
pins 80 toward the trailing ends of the conveyor chains,
and terminates in a curved upper border 82. Formed in
the lower edge of ?ap 81 is a medially located recess 83
below the upper edge of which there is af?xed a trans
versely extending bar 84.
normally open contact 035 of switch S5, relay arms RA
and RB, and the normally open contact of the coin switch
S1 are connected to normally open contacts 082 and
CS2 of switches S2 and S3. The arms of switch S1 and
25 the normally open relay contact IRA are ‘connected to
one terminal of relay solenoid RS and the other terminal
of relay solenoid RS is connected to line A. The nor
mally closed relay contact lRB is connected to one ter
between support arms 77 and slightly below the level
minal of solenoid C and the other terminal of solenoid
thereof. Mounted on platform 87, adjacent the free end
thereof, are a pair of transversely spaced switches S3 and 30 C is connected to line A. The arms of the switches S3
and S4 are interconnected, and the arm of switch S2
S5, each of said switches including an activating button
is connected to the normally open contact ‘053 of switch
89 and an activating lever 90 having its free end resting
S3. The normally closed contact ‘CS2 of switch S2 is
on button 89 and its opposite end hinged by pins 91b to
connected to one terminal of empty indicator lamp L, and
a bracket 91a located on the respective switches S3 or 55.
Bar 84 rests on arms 90 and, in the absence of articles 35 the other terminal of empty indicator lamp L is connected
to line A, and the normally closed contact of switch S4
along the discharge path, it swings downwardly to depress
is connected to the other terminal of the electric current
arms 90 and buttons 89, thereby to activate switches S3
source.
and S5. However, when there are present articles along
A bracket member 86 is secured to frame wall 14 and
includes a longitudinally projecting platform 37 located
the ‘discharge path, they bear against ?ap 81 to swing it
upwardly and to raise bar 84, thus permitting switches
Considering now the operation of the dispensing
mechanism described above, the loading is accomplished
S3 and S5 to return to their deactivated positions.
Rear wall 12 of the frame 10 has a?‘ixed along its upper
by inserting from the front of the machine rows of arti
cles upon the base webs of successive ?ights 37 until all,
or as many rows as are desired, of the storage compart
border, at a point trailing the article discharge path, a
- ments of the machine, as de?ned by the spaces between
bracket 91 which includes a forwardly directed platform
92 located above the level of ?ights 37 along their for 45 the successive ?ights 37 along their forward run, are
?lled. When the machine has been ?lled with the de
ward run and extending for substantially the full forward
sired number of rows of articles, ?ap 81 is raised by the
run of the ?ights to the discharge path to de?ne an abut
articles located in the discharge path to deactivate switches
ment limiting the rearward movement of articles along
S3 and S5, opening switch contacts 083 and 085. Arm
the flights. Mounted on platform 92 is a switch S2 which
96 is pushed back by the rearmost articles in the leading
carries a front bracket 94. Hinge-supported at its rear
rows to activate switch S2 and close switch contact 082.
end by bracket 94 and swingable in a horizontal plane is
Switches S1 and S4 are in their deactivated positions
a storage sensing arm 96, the trailing section of which is
> and switch S6 is in an activated position, whereby switch
adapted to bear upon the activating button 52a of switch
S1 is open, switch S4 is closed and switch contact 036
S2, and the leading section of which is inclined in a hori
zontal plane and extends forward of the leading edge of 55 is closed, the circuit network being in the condition illus
trated in FIGURE 5 of the drawing when the machine
the platform 92 into the area of the rearmost articles lo
cated in the article discharge path, and located in the row
is in its dormant, full condition.
Upon the insertion of a coin, switch S1 is momen
of articles carried by ?ights 37 immediately preceding the
article discharge path. Thus, switch S2 is activated by . tarily closed to energize relay solenoid RS which closes
relay contact 1RA, shunting switch S1 to hold the relay
the presence of an article in the rear position of the dis
closed, opening relay contact lRB to deenergize sole
charge path or of the preceding row of articles, and is
noid C and closing relay contact 2RB to energize motors
deactivated in the absence of an article in these positions.
M2 and M3 by way of switch S6. Motor M2 advances
A bracket 97 is af?xed to frame front wall v11 and car
pusher 59 releasing lever 100, deactivating switch S6,
ries a switch S4. Mounted on switch S4 is a swingable
control arm 98 which passes through an opening 99 65 and closing contact CS6, and as the pusher 59' continues
formed in panel 63 and extends into the discharge chute
‘to advance it makes contact with the rearmost article in
and into the path of a dispensed article. Thus, switchiSd
the delivery path, which motion advances the row of
is momentarily activated by arm 98 as an article drops
articles along the discharge path, whereupon the leading
through the discharge chute. A switch S6 is mounted
article K in the row is engaged by roller 70 and rapidly
on the inner face of frame wall 12 and carries a control 70 carried along and dropped into the discharge chute,
arm 100 in the end of the return path of pusher members
59, whereby switch S6 is activated only in the absence of
a pushing member 59 along its forward discharge path.
Referring now ‘to FIGURE 5 of the drawing, which
whereupon it strikes arm 98 momentarily activating and
opening the switch S4 to deenergize relay solenoid RS
and return the circuit network to its initial condition, in
readiness for a repetition of the cycle described above.
illustrates the circuit network of the present equipment, 75 Following the dispensing of all the articles from the dis
3,089,612
7
8
charge path, sensing ?ap 31 drops to a depressed posi
tudinally extending endless conveyor chains having sub
stantially horizontal parallel upper runs advancing toward
a transversely extending discharge path, a plurality of
transversely extending ?ights disposed between and car
tion, activating switches S3 and S5 to close contacts 055
and 053. Motors M2 and M3 are thus energized to ad
vance pusher member 59 until it strikes switch arm 100
when the pusher members are out of the path of ?ights
37 and thereby activates switch S6 and opens contact CS6
and closes contact 036.
Motors M2 and M3 are thus
deenergized, stopping the pusher members 59 in positions
out of the paths of ?ights 37 and the motor M1 is ener
ried by said conveyor chains, means advancing said con
vcyor chains, a pusher member movable transversely be
tween a pair of successive of said said ?ights and along
said discharge path and projecting vertically above ‘and
below the plane of said ?ights along said upper run, and
gized to advance the ?ights 37. When the next successive 10 means advancing said pusher member along said discharge
row of articles reaches the discharge path, they cause
path and disposed below the upper runs of said conveyor
sensing ?ap 81 to swing upwardly to deenergize switches
chains.
'
S3 and S5 thereby to deenergize motor M1 and stop the
4. A dispensing mechanism in accordance with claim
advance of ?ights 37. The machine is thus again in a
3, including means longitudinally adjustably supporting
position to dispense articles in the manner above set 15 said pusher member.
forth.
5. A dispensing mechanism in accordance with claim 3,
wherein said pusher advancing mechanism includes a
The process of delivery of individual articles K from
the machine will continue as described until the last row
transversely extending endless pusher chain disposed below
the plane of said ?ights and comprising an upper advanc
of articles in the machine has ‘been advanced to the de
livery position. As the ?rst article of the last row in the 20 ing run parallel to said transverse ‘discharge path, said
machine is being dispensed, lever 96 is disengaged from
its contact with the last article K in the delivery path,
deactivating switch S2 opening 052 and closing CS2 to
empty light L. However, switch S3 remains closed to
pusher member being secured to and projecting 'above said
upper advancing run, and means intermittently driving said
pusher chain.
6. A dispensing mechanism in accordance with claim 3,
including means responsive to the disposition of said
CS3 and the machine will continue to accept coins and
deliver articles until the last article in the machine is
pusher member along said discharge path, disabling said
delivered, whereupon ?ap 81 is allowed to fall, activating
conveyor chain advancing means.
switches 53 and S5. Switch contacts CS2 and 083 as
well as switch S4 are closed to energize the empty indi
cating lamp L and switch contact 052 and CS3 are open
7. An improved dispensing mechanism of the character
described comprising a pair of transversely spaced longi
tudinally extending endless conveyor chains having sub
stantially horizontal parallel upper runs advancing toward
a discharge end, a plurality of regularly spaced ?rst fasten
ing elements located along the length of each of said
chains, a plurality of transversely extending ?ights dis~
to completely deactivate the machine until it is re?lled.
While there has been described and illustrated a pre—
ferred embodiment of the present invention, it is apparent
that numerous alterations, omissions and additions may
be made without departing from the spirit thereof as set 35 posed between said chains, ‘adjacent of said ?ights along
said chains being separated by intervening ?rst fastening
forth in the claims appended hereto.
elements, second fastening elements located at opposite
What is claimed is:
ends of said ?ights and adapted to releasably engage said
1. An improved dispensing mechanism. of the character
?rst fastening elements, a pusher member movable along
described comprising a pair of transversely spaced longi
a tranverse discharge de?ning path adjacent to the forward
tudinally extending endless conveyor chains having sub
end of said chains, a motor coupled to and adapted to
stantially horizontal parallel upper runs advancing toward
advance said pusher member "along said transverse path, a
a discharge end, a plurality of regularly spaced ?rst
roller at the end of said path, a motor coupled to and
fastening elements located along the length of each of
adapted to drive said roller at a greater peripheral speed
said chains, a plurality of transversely extending ?ights dis
than the speed ‘of advance of said pusher and drive
posed between said chains adjacent of said ?ights along
means responsive to the absence of articles along said
said chains being separated by intervening ?rst fastening
discharge path to advance said chains.
elements, second fastening elements located at opposite
8. A dispensing mechanism as in claim 3 and including
ends of said ?ights and adapted to releasably engage said
a pusher-supporting pusher chain positioned below the
?rst fastening elements, a pusher member movable along
upper runs of the conveyor chains, the pusher ‘member be
a transverse discharge de?ning path adjacent to the for
ing mounted on the pusher chain and movable therewith
ward end of said chains, means for longitudinally adjust
along said transversely extending discharge path.
ing said transverse path of said pusher member along the
direction of movement of said ?ights, drive means respon
References Cited in the ?le of this patent
sive to the absence of articles along said discharge path to
advance said chains and means responsive to the position
UNITED STATES PATENTS
of said pusher member along‘said transverse predeter
Re. 23,103
Newcombe ____________ __ Apr. 26, 1949
mined piath disabling said conveyor chain advancing
1,457,300
Cohen ______________ __ June 5, 1923
means.
2. A dispensing mechanism in accordance with claim 1,
wherein said ?rst fastening elements are de?ned by in
wardly directed pins mounted on said chains and said 60
second fastening elements are de?ned ‘by bracket members
depending from opposite ends of said ?ights and having
longitudinally spaced openings formed therein registering
with pairs of successive pins.
3. An improved dispensing mechanism of the character
described comprising a pair of transversely spaced longi
1,511,221
2,632,681
2,644,734
Joy __________________ __ Oct. 14, 1924
Newcomber __________ __ Mar. 24, 1953
Gabrielsen ____________ .._ July 7, 1953
2,757,784
2,761,548
Von Stroh et al. ...... __ Aug. 7, 1956
Long ________________ -._ Sept. 4, 1956
2,837,237
2,864,532
2,925,194
Stewart ______________ __ June 3, 1958
Gabrielsen ____________ __ Dec. 16, 1958
Mihalek ______________ -._ Feb. 16, 1960
2,978,085
Stayton et al. __________ __ Apr. 4, 1961
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