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Патент USA US3066420

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Dec. 4, 1962
Filed Jan. 5, 1961
2 Sheets-Sheet l
Her/nan R. Cm ven
Dec. 4, 1962
Filed Jan. 3, 1961
2 Sheets-Sheet 2
1:: N
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llnited grates Patent @
Patented Dec. 4, i962
the upper extremity of the can Within the chamber, fol
s 066 41s
lowed by release of the handle which is spring returned
MANUALLY orrznA'rn’n éAN rprscrmvo nnvrcn
to the original disposition thereof, and permitting re
Herman R. Graven, Prairie Village, Kane, assignor to The
moval of the opened can be simply reopening the door
Vendo iCornpany, Kansas Qity, Mr», a corporation of
disposed in closing relationship to the chamber access
Filed .lan. 3, 1961, Ser. No. 89,313
Other important objects and details of construction of
8 Claims. (Cl. Sill-6.1)
the present invention will become obvious. or be explained
This invention relates to apparatus for opening con
in greater detail as the following speci?cation progresses.
tainers containing liquid beverages and particularly to 10 In the drawings:
a can punching device especially adapted for utilization
FIGURE 1 is a fragmentary, front elevational view
in conjunction with vending machines which dispense
of a manually operable can punching device embodying
canned liquids in the nature of soft drinks or other similar
the preferred concepts of the present invention;
FIG. 2 is a fragmentary, front elevational view of the
It is the primary object of the present invention to
device as shown in FIG. 1 and illustrating the disposi
provide a can punching device which is adapted to be flush
tion of the operating handle at the end of the path of
mounted in the door or front Wall of a vending machine
travel thereof opposite to that shown in FIG. 1, a part of
cabinet and which includes mechanism permitting a pur
the front door of the device being broken away to illus
chaser of a container containing a liquid beverage, to
trate the disposition of the can piercing elements when
open the can by placing the beverage container within
the same are at the lowermost ends of their paths of
the opening device followed by operation of a lever pro
jecting outwardly from the cabinet and with the purchaser
FIG. 3 is a rear elevational view of the can punch
being protected from spray because of effervescence of the
ing device as shown in FIGS. 1 and 2, with the can pierc
beverage as the can seal is broken, by virtue of a‘ door
ing elements being at the upper ends of their paths of
located in closing relationship to the can opener chamber
during the time of punching of the top of such can.
FIG. 4 is a fragmentary, rear elevational view similar
It is another important object of the invention to pro
to PEG. 3 but showing the disposition of the piercing
vide a can punching device of the type described wherein
elements and the cam operated mechanism for shifting
a pair of piercing elements are simultaneously driven
same, in the disposition thereof when the operating
into the upper end of the can to provide a pair of spaced 30 handle for the cam parts is in the location thereof as
openings therein so that upon removal of the punched
shown in FIG. 2;
can from the can opening device, the beverage may be
FIG. 5 is a horizontal cross-sectional view taken on
consumed directly from the can or poured with ease into
the line 5-—5 of FIG. 3 and looking downwardly in the
a suitable receptacle.
direction of the arrows;
A still further important object of the invention is to
E16. 6 is a horizontal cross-sectional view taken on
provide a manually operable can punching device wherein
the irregular line 6-6 of HG. 2 and looking down
the piercing elements which are directed into the upper
wardly; and
end of the can during opening thereof, are maintained at
7 is a fragmentarx , horizontal cross-sectional View
a su?iciently high temperature to kill all bacteria adhering
on the line 7-7 of FIG. 3 and also looking downwardly.
thereto and thus maintaining the piercing elements in a 4-0
Manually operable can punching mechanism is broadly
sterile condition at all times. In this respect, an addi
designated by the numeral iii in the drawings and which
tional important object of the invention is to employ re
is adapted to be ?ush mounted in a recessed condition in
sistance heating means in the piercing elements for main
the door or front wall of a vending machine cabinet or
taining the latter at the predetermined high temperature
other equivalent enclosure.
A generally rectangular
referred to above and with the temperature thereof being 45 frame 12 serves as means for mounting a main housing
substantially constant by virtue of thermostatic means
14- which is preferably in the nature of a casting of alumi—
coupled to the source of electrical energy for the heat
num or the like, with housing 14 in turn supporting can
ing means.
A further important feature of the invention is to pro
vide a manually operable can punching device of the type
referred to wherein the can is disposed in a chamber form
opening apparatus 16».
The main frame 12 includes an upper, relatively nar
row rail section 18, a lower, substantially wider rail sec
tion 26} and narrow side rail sections 22 and 24- integral
ing a part of the mechanism and with the punching ele—
ments being shiftable into and out of the chamber so that
the customer cannot touch the hot elements at any time,
13 ‘and Ztl respectively. Normally inwardly extending
?anges 18a, Zzlla, 22a and 24a, integral with corresponding
which could cause burns or other serious injury. In this
respect, it is an important object to provide means on
latter relatively rigid.
the operating handle of the device for preventing open
ing of the door normally closing the can receiving cham
ber, so that when the operating handle has been shifted
in a direction to cause the piercing elements to move
down into the can chamber, the customer cannot reach
into the chamber where it would be possible for him
to come into contact with the hot piercing means.
With and interconnecting upper and lower rail sections
rail sectioni 18 to 2d, reinforce frame 12 and render the
The housing 14‘, carried by frame 12, includes an outer
rectangular section 26 provided with upper and lower rails
28 and 35}, interconnected by opposed, parallel, normally
upright side rails 32, and 34 which complementally en
gage the outer faces of rail sections 22 and 24 in the
same manner that rails 23 and 3t} engage upper and lower
rail sections 13 and 2% respectively. A pair of inter
Another important aim of the invention is to provide a
mediate, transversely extending rails as and 38 prox-hnal
manually operable can punching device wherein opening 65 to rail 28 and integral with opposed side rails 32 and
of the can is very simple by virtue of the fact that the
34, present a horizontal, elongated, relatively narrow
customer need only open the door to the can opening
opening so therebetween and extending between rails
mechanism, insert the can into the chamber therein,
32 and 34 for clearing the operating handle 42 of can
opening apparatus 16. The space between rails 28 and
release the door which is spring returned to the nor
mal disposition thereof, followed by movement of the 70 as is ?lled with a rectangular strip 4.4‘ which may be
integral with the components of housing 14, or may be
operating handle from one position to the opposite loca~
separate therefrom and containing instructions for opera
tion thereof whereby the piercing elements are driven into
tion of mechanism 10 as well as other desired means
generally L-shaped legs 110 and 112 of bracket 108 and
integral with central section 106 thereof, include inwardly
of identifying the nature of the present structure.
The inner margins of rails 30, 32, 34 and 38 present
extending portions 114 which are secured to section 100
a rectangular opening 46 which is normally closed by a
by fastening means 116. The outwardly projecting leg
generally rectangular door 48 which is mounted on the UK portions 118 of legs 116 and 112 engage respective sur
upright section 49 of housing 14 by vertically spaced
faces 82 of legs '78 and 80 of component 76 to thereby
hinge means 59 (FIG. 6) at the upper and lower left-hand
prelude rotation of bracket 1% about the axis of shaft
corners of door 48 viewing FIG. 1, to permit swinging
38. Coil springs 12% interconnecting leg portions 118 of
of door 43 through an ‘arc whereby the customer may
legs 11d and 112, and the bight 84 of component 76, bias
have access to the interior of housing 14. A handle 52 10 cam member 96 toward the upper end of its path of travel
secured to the outer face of door 48 remote from hinges
and away from semicylindrical segment 56 of housing 14.
50 facilities opening of the latter. Although not illus
The cylindrical wall portion 98 of cam member 96 is
trated in the drawings, it is to be understood that spring
provided with a pair of opposed, elongated slots 122
means is provided in conjunction with hinges 51} in order
therein which are disposed at an angle with respect to
to bias door 4% into the normally closed position thereof.
the longitudinal axis of shaft 88 as best shown in FIGS. 3
Inasmuch as it is desirable that housing 14 be remov
and 4. Manually operable handle 42 includes an elon
able from frame 12, the rail sections 22 and 24 of frame
gated lever arm 124 provided with ‘an inner, rectilinear
12 are preferably provided with a number of openings
stretch 124a which extends through shaft 88 as shown in
therein for clearing threaded members connected to side
PEG. 9 and is slidably received in opposed slots 122 in
rails 32 and 34 respectively and extending through the 20 cylindrical wall portion 98 of cam member 96. In order
openings in rail sections 22 and 24. Wing nuts 54 re
to prevent a customer from reaching into the interior of
movably threaded onto the projections extending through
housing 14 through horizontal opening 40, a generally
side rail sections 22 and 24, releasably couple frame 12
to housing 1 4m the disposition thereof illustrated in
FIGS. 2 and 3.
Housing 14 is also provided with a semicylindrical
segment 56 integral with and extending rearwardly from
rectangular section 26 and including a semicylindrical
side wall 58 of a vertical height substantially equal to the
vertical dimension of opening 46 with upper and lower
semi-circular end walls 61} and 62 serving to close op
posed ends of segment 56. As indicated in FIGS. 2 and
6, walls ‘58, 6t} and 62 cooperate to present a semicylin
drical chamber 64 adapted to receive a can or the like
to housing 14 in the dispositon thereof illustrated in
inner surface of wall 58, have opposed, facing, arcuate
cylindrical collar 126 is positioned around cam member
96 in complemental engagement with the cylindrical wall
portion 98 thereof and provided with a pair of openings
12?}; therein for receiving stretch 124a of lever arm‘ 124
to thereby maintain collar 126 in alignment with open
ing 40.
The upper end Wall 60 of semicylindrical segment
56 is provided with a pair of openings 130 and 132 therein
on opposite sides of shaft 88 as indicated in FIG. 7, for
clearing respective piercing elements 134 and 136 con
nected to the underside of section 100 of cam member
96 and depending therefrom. The piercing element 134
is of generally circular transverse con?guration and is
provided with a beveled lower surface 138 to facilitate
surfaces 76 and 72 respectively for guiding a cylindrical
entrance of such element into the upper end of the can
can to be opened, toward the central portion of chamber
to be opened. The piercing element 136 is of generally
64. A rectangular pusher member 74 on the inner face
triangular cross-sectional con?guration and is also pro
of door 48 assures that the can is pushed toward the back 40 vided ‘with a beveled lower surface 140 to minimize the
of chamber 64 upon closing of door 48.
pressure required to force element 136 through the 11p
A generally U-shaped component broadly numerated
76 and integral with upper rail 28 and portions of side
rails 32 and 34 respectively, includes a pair of opposed,
per end of the can.
In order to maintain piercing elements 134 and 136
in a sterile condition at all times, a resistance heating ele
elongated, parallel, generally rectangular legs 78 and 80‘ 45 ment 142 is embedded in the section 100 of cam member
having outer, rectilinear surfaces 32 lying in a common
96 with electrical lines 144, joined to heating element
vertical plane, with legs 78 and 80 being interconnected
142, extending to a suitable source of electrical power.
by upper rectangular bight 84 having an outer surface
If desired, a thermostat may be provided in conjunction
86 ‘coplanar with surfaces 82. An elongated upright shaft
88 is positioned between upper wall 60 of segment 56,
and the lower face of bight 84 and is rotatable with re
spect to housing 14. As indicated in FIGS. 3, 4 and 7,
a collar or bearing 90 is provided on the upper face of
wall 64] for rotatably receiving the lower extremity of
with heating element 142 to maintain piercing elements
134 and 136 at a predetermined temperature sufficient
to kill all bacteria adhering to the outer surfaces of the
piercing elements.
The mechanism described above is operable to per
mit opening of 11 oz. or 12 oz. cans, but if it is desired
shaft 88, while suitable washer or hearing means 92 is 55 to adapt the can punching mechanism for opening of the
carried by bight 84 intermediate the ends thereof for ro
larger cans as well as smaller 9 oz. cans, this can readily
tatably receiving the upper end of shaft 88. A screw 94
be accomplished by providing auxiliary support means
threaded into the upper end of shaft 88 and engaging the
in the nature of support plates 146 and 148 pivotally car
upper washer 92 on bight 84, maintains shaft 88 in pre
ried by housing 14 and extending into the interior of
determined disposition throughout the time of rotation
chamber 64 as shown in FIG. 6. Each of the plates 150
thereof, it being noted that shaft 38 has a shoulder or
of supports 146 and 148 is of generally trapezoidal con
eqiuvalent means engaging the lower washer or bearing
?guration and disposed in a common horizontal plane.
means 92 below bight 84 for preventing upward move
Lugs 152 and 154, integral with rails 32 and 34 respec
ment of shaft 88.
tively of rectangular section 26 of housing 14, serve as
The generally cylindrical cam member broadly desig 65 means for swingably mounting plates 150 on opposite
nated 96 is provided with a cylindrical upper wall portion
sides of chamber 64, by virtue of bolts 156 passing
918 in coaxial relationship to shaft 88 and shiftable longi
through plates 150 and corresponding lugs 154. Nuts
tudinally of the latter by virtue of the lower cylindrical
15% threaded onto corresponding bolts 156 below lugs
section 100‘ of member 96 being provided with an opening
152 and 154 maintain proper tension on coil springs 160
102 therein substantially complemental with shaft 88 as
which are disposed in surrounding relationship to the
indicated in FIG. 5. Section 100 is cut away in the front
upper extremities ‘of bolts 156 and provided with opposed
thereof as indicated in FIGS. 3 and 4 to present a ?at,
legs 162 and 164 engaging the frame 12 and correspond‘
forwardly facing surface 104 which receives the elon
ing plates 15% for biasing the latter toward segment 56.
gated, generally rectangular central section 106 of an
As shown in FIG. 3, the wall 58 of segment 56 is pro
alignment bracket 108 secured to member 96. Opposed, 75 vided with a pair of opposed slots 166. and 167 therein
slides in angularly disposed slots in cylindrical wall por
for clearing plates 156 of supports 146 and 148 respec
tively. Bracing legs 168 connected to the underface of
each of the plates 151] and depending therefrom, are posi
wardly along the longitudinal length of shaft 88. During
tioned Within chamber 64 de?ned by segment 56 and are
of suf?cient length to engage the upper face of end wall
such downward movement of cam member 96, the latter
moves relative to collar 126 which remains in alignment
62 to thereby maintain plates 1511 in proper horizontal
with opening 46 in housing 14 by virtue of collar 126
being carried by stretch 124a of arm lever 124. Shifting
of cam member 96 downwardly causes piercing elements
disposition regardless of the weight placed on such plates.
As shown in FIG. 6, plates 150 of each of the supports
146 and 148 has outwardly facing beveled edges 171}
tion 98 of cam member 96 and the latter is forced down
134 and 136 to be lowered into the chamber 64 through
which are adapted to be engaged by the can as the latter 10 respective openings 130 and 132 whereby the beveled
surfaces 138 and 140 respectively thereof engage the
is pushed into chamber 64 to effect swinging movement
top of the can and pierce the latter as the elements con
of plates 156 through corresponding slots 166 and 167
tinue downward movement. It is to be noted that the
as an 11 oz. or 12 oz. can is placed in chamber 64.
cam member 96 is forced downwardly against the ac
In order to limit swinging movement of door 48 to a
predetermined are, a longitudinally curved stop mem 15 tion of coil springs 120 so that after operating handle
42 has been swung to the extreme right position thereof
ber 172 is secured to the inner face of door 48 adjacent
as shown in FIG. 2, the customer may release operating
the upper extremity thereof and is provided with an up
handle 42 whereby the latter is returned to the initial
disposition thereof under the in?uence of coil springs
thereof. The inner vertical wall 176 of frame 12 is
provided with a rectangular opening 178 therein of suf 20 1213 which force bracket 168 and thereby cam member
96 to the uppermost end of its path of travel and as
?cient width to clear the stop member 172 with the ex
stretch 124a‘ of lever arm 124 slides in respective angular
ception of projection 1'74 thereon. Thus, when projec
slots 122 toward the upper extremities of the latter.
tion 174 engages the inner surface of wall 176 during
wardly extending projection 174 at the outer extremity
opening of door 48, further movement of such door is
During the time that the customer is shifting operating
25 handle 42 to the right, it is impossible for the door 48
A knob 18% is provided on the outer extremity of
to be opened by virtue ‘of the pin 182 engaging the upper
stretch 1241; of lever arm 124 to facilitate manual rota‘
margin of door 48 if an attempt is made to open the lat
ter. In this manner, the customer is protected at all
tion of operating handle 42.
In order to prevent the customer from opening door
48 during operation of handle 42, an elongated pin 182 is
times from being splattered with the liquid in the con
tainer during opening thereof, this being particularly im
mounted on stretch 124]) of lever arm 124 adjacent door
48 and disposed to engage the upper margin of door
portant with respect to effervescent beverages, and also,
48 if the latter is attempted to be opened during the
time that handle 42 has been swung to the right view
ing FIG. 1 in order to effect movement of piercing ele
ments 134 and 136 into the interior of chamber 64. The
piercing elements 134 or 136, and cannot be injured by
the customer cannot in any way contact the relatively hot
the sharp points thereof presented by beveled surfaces
138 and 14%}.
Another important feature of the present invention
notch 1184 therein for clearing the lower end of pin 182
when operating handle 42 has been returned to the left
hand disposition thereof, as indicated in FIG. 1.
in operation of mechanism 10 and assuming that it
is the fact that if coil springs 120 fail to return operating
handle 42 to the left-hand disposition thereof, because
of hanging of piercing elements 134 and 136 on the can,
the customer may return the handle to the initial disposi
tion thereof and the piercing elements 134 and 136 are
is desired to open a 12 oz. can containing a liquid car
retracted out of chamber 64 as the top of the can en
upper left-hand corner of door 48 is provided with a
gages the underface of end wall 66.
bonated beverage, the customer grasps handle ‘52 and
It is also contemplated that the collar 126 be chrome
pulls the same outwardly to swing door 48 about hinges
56 to thereby provide access to the semicylindrical cham 45 plated in order to cause mechanism 10 to have a ?nished
appearance and to dress up the slot 40 through which
ber 64 de?ned by segment 56 of housing 14‘ The can to
operating handle 42 projects.
be opened is pushed into chamber 64 between end walls
The opening of smaller cans, such as the 9 oz. variety,
611 and 62 and with the side wall of the can engaging
is accomplished in the same manner as described above
As the can moves inwardly, the plates 158 are 50 with the exception that such cans are positioned on sup
opposed surfaces 176 of plates 156 of supports 146 and
biased outwardly through respective slots 166 and 167
port plates 156‘ of supports 146 and 148 whereby piercing
and against the action of springs 160. The arcuate sur
faces '71) and 72 of guides 66 and 68 respectively, assure
that the can is in proper disposition directly below the
elements 134- and 136 are forced downwardly into the
upper end of such cans as the operating handle 42 is
shifted across the front of mechanism 11}.
Having thus described the invention what is claimed as
new and desired to be secured by Letters Patent is:
piercing elements 134 and 136.
It should be pointed out at this juncture that when the
piercing elements 134 and 136 are in stand-by condition
as shown in PEG. 3, the elements are out of chamber 64
so that the customer cannot be burned or injured because
1. Can opening mechanism comprising a housing de
?ning a chamber for receiving a can and having an ac
cess opening therein; movable closure means carried by
of touching the elements which are in a relatively hot 60 the housing and normally disposed in closing relation
ship to said access opening; manually operable means
condition because of the heating element 142‘ Also, the
within the housing for opening a can disposed in said
customer cannot swing operating handle 42 to the right
chamber; and means coupled to said closure means and
viewing FIG. 1 to lower piercing elements 134 and 136
said can opening means for preventing operation of the
into the interior of chamber 64, during the time that
door 48 is open, because the pin 182 on lever arm 124 65 latter unless said closure means is in said normal position
thereof closing said access opening.
engages the inner margin of stop member 172 which is
2. Can opening mechanism comprising a housing de
located at the top edge of door 48 in proximity to the
?ning a chamber for receiving a can and having an ac
corner thereof having notch 184 therein.
cess opening therein; movable closure means carried by
As soon as the can is properly positioned within cham
ber 64, the customer releases door 48 whereby the latter 70 the housing and normally disposed in closing relationship
to said access opening; manually operable means with
is returned under spring pressure to the closed location
in the housing for punching at least one opening in a
thereof as illustrated in FIGS. 1 and 2. Next, the oper
can disposed in said chamber; and means coupled to said
ating handle 42 is swung to the right to thereby cause
closure means and said can opening means for prevent
shaft 88 to be rotated in a counterclockwise direction
viewing FIG. 5, whereby stretch 124a of lever arm 124 75 ing operation of the latter unless said closure means is
in said normal position thereof closing said access open
said cam means, and extending outwardly from said
3. Can opening mechanism comprising a housing de
7. Mechanism as set forth in claim 6 wherein said
means for preventing movement of the closure means
cess opening therein; movable closure means carried by 5 to said open' position thereof when said lever arm has
the housing and normally disposed in closing relation
been shifted in a direction to move said element into the
chamber, comprises an elongated extension on said lever
ship to said access opening; means within the housing
arm and engageable with said closure means for prevent
for punching at least one opening in a can disposed in
?ning a chamber for receiving a can and having an ac
ing substantial opening thereof until the lever arm has
said chamber; manually operable, shiftable means cou
pled to said can opening means and extending outwardly 10 been returned to the initial position of the same whereby
the extension clears said closure means to permit opening
from said housing to permit manual operation of said
can opening means from a position externally of the
of the closure means.
housing; and means carried by said manually operable
8. Mechanism as set forth in claim 5, wherein said cam
cam means includes a shaft rotatably mounted Within
means and engageable with said closure means for pre
venting movement of the latter to an open position when 15 said housing, a cam member surrounding said shaft, con
nected to said element mounting means for movement
said manually operable means has been shifted in a di
rection to e?ect operation of said can opening means.
4. Mechanism as set forth in claim 3 wherein said
therewith and having a‘ cam surface thereon at an angle
with respect to the path of travel of the element, and
manually operable means including a component extend
can opening means comprises an elongated piercing ele
ment and means mounting the element within the hous< 20 ing through said shaft and engaging said cam surface
on the member to effect shifting of the latter in response
ing for movement into‘ and out of said chamber, said
to operation of said manually operable means and as said
element ‘being shiftable into said chamber a sui?cient
component slides along said cam surface.
distance to effect piercing of a can disposed therein.
5. Mechanism as set forth in claim 4 wherein is pro
vided means coupled to said shiftable mounting means
for the element, for biasing. the latter in a direction
away from said chamber, and cam means connected to
References Qited in the ?le of this patent
said element mounting means and operable by said
manually operable means for shifting said element
Bruce et al. __________ __ July 22, 1952
Smith et a1 ___________ __ May 29, 1956
mounting means in a direction to move said element into 30
Moore _______________ __ Jan. 29,
Johnson et al. _______ __ Mar. 19,
Meadows _____________ __ Aug. 4,
Anderson ___________ __ Nov. 24,
Nordquist ____________ __ Dec. 15,
Baselt ______________ __ Dec. 15,
Fazekas ______________ __ Nov. 8,
the chamber and against the action of said means biasing
the element away from said chamber, in response to
operation of said manually operable means.
6. Mechanism as set forth in claim 5 wherein said
manually operable means includes an elongated lever arm
pivotally carried by the housing, operably coupled to
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