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Патент USA US3062141

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Nov. 6, 1962
o. MANKKI EI'AL
' 3,062,131
CRUSHING MECHANISM
Filed April 20. 1961
5 Sheets-Sheet 2
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Nov. 6, 1962
o. MANKKI ETAL
3,062,131
CRUSHING MECHANISM
Filed April 20, 1961.
5 Sheets-Sheet 3
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Nov. 6, 19.62
0.,MANKKI ETAL
CRUSHING MECHANISM
Fildad April 20, 1961
3,062,131
5 Sheets-Sheet 4
82
83
3,062,131
Patented Nov. 6, 1962
2
along the plane of line 12—12 of FIG. 11, looking in
the direction of the arrows;
FIG. 13 is a side elevational view of one of the ec
centric drive members per se, which is adapted for ac
3,662,131
CRUSHING MECHANISM
Onnie Manklri and Robert M. Woiaver, South Euclid,
Ohio, assignors to Central Products Company, Cleve
land, Ohio, a corporation of Ohio
tuating the movable jaw of the crushing mechanism;
FIG. 14 is a vertical sectional view taken generally
Filed Apr. 20, 1961, Ser. No. 104,443
8 Claims. ((Jl. 100-233)
along the plane of line 14—14 of FIG. 13 looking in
the direction of the arrows.
‘Referring now again to the drawings, reference num
nism, and more particularly to a crushing mechanism 10 ber 10* refers to the novel crushing mechanism of the
invention. Such mechanism may be detachably mounted,
especially adapted for crushing cans, bottles and the like,
This invention relates in general to crushing mecha
as by means of bolt and nut assemblies 12, on a base or
and usable, for instance, in institutions, food handling
businesses and the like, for facilitating the disposal of tin
cans and other crushable containers.
Crushing mechanisms and particularly can crushing
crushed can receiving cabinet 14, and broadly comprises
15
mechanisms are known in the art. However, these prior
art devices generally leave much to be desired in that
they either do not operate effectively to compress the
cans, or they are unduly complicated and expensive, and
usually require a high degree of maintenance thereon.
The instant invention provides a novel, compact can
crushing device which is simple in construction, and which
operates effectively to compress cans and the like into a
generally ?attened con?guration.
Accordingly, an object of the invention is to provide
‘an improved can crushing mechanism.
Another object of the invention is to provide a novel
can crushing device which is simple in construction, eco
nomical to manufacture and easy to maintain.
30
A more speci?c object of the invention is to provide
a compact can crushing device comprising a stationary
jaw and an upwardly divergent movable jaw, and wherein
the movable jaw is supported by a novel linkage mecha
nism actuated by a motor unit, for generally linear move
ment towards and away from the stationary jaw.
Other objects and advantages will be apparent from
the following description taken in conjunction with the
a chassis frame 16 (-FIGS. 1 and 5) mounting the sta
tionary jaw 18 of the mechanism thereon, a movable
jaw 20 supported by a linkage ssytem 22 for generally
linear movement toward and away from the stationary
jaw, an eccentric drive means 24 for actuating the link
age system of the movable jaw, and a power drive sys
tem generally referred to by number 26, for actuating
such eccentric drive means.
The chassis frame 16 comprises a pair of laterally
spaced side plates 30 which support the stationary jaw
13 therebetween. The stationary jaw, which preferably
includes bosses 18a on its working surface, may be re
inforced by channel-shaped member 32 extending gen
erally vertically and centrally along such stationary jaw
for substantially its full height. Cross members 34 may
be provided extending between the side plates for rigidi
fying the chassis frame.
Linkage system 22 includes spaced drive frame assem
blies 38, disposed on opposite sides of the crushing mech
anism and exteriorly of side plates 30. Each drive frame
assembly 38 comprises a pair of spaced vertical arms
38a, secured adjacent their upper ends to a diagonally
upwardly extending arm 38b and secured adjacent their
FIG. 1 is a side elevational view of a can crushing
lower ends to a diagonally downwardly extending arm
380. Each drive frame assembly 38 is movably sup
ported on the chassis frame 16 by three, generally ver
mechanism constructed in accordance with the instant
invention; in dot-dash lines there is shown the rearward
position of the movable jaw of the crushing mechanism
and certain elements of the associated linkage system sup
pivoted as at 42 to a shaft 42a extending transversely
between side plates 30‘ of the chassis frame 16, and is
pivotally coupled as at 43- to the arm 38c, and as by
accompanying drawings wherein:
porting such movable jaw;
FIG. 2 is an end elevational, partially sectioned view
of the crushing mechanism of FIG. 1, taken generally
from the right hand side of FIG. 1;
FIG. 3 is a fragmentary, top plan view of a portion
of the power drive for actuating the crushing mechanism
of the invention;
FIG. 4 is a fragmentary view taken generally along
the plane of line 4—4 of FIG. 3 looking in the direction
of the arrows, and illustrating other components of the
power drive of the crushing mechanism of the invention;
FIG. 5 is a reduced size, side elevational view of the
chassis frame assembly including the stationary jaw of
the crushing mechanism;
tically pivotable links 40‘, 49a and 4%.
Link 401 is
means of transversely extending shaft 43a extending
through links 40‘ and arms 380. Link 40a is pivoted
as at 44 to a shaft 44a extending transversely between
the side plates 30 and is pivotally coupled as at 46 ad
jacent the other end of arm 38c, and as by means of
transversely extending shaft 46a extending through links
40a and arms 380.
Link 40b is pivoted as at 47 to a
shaft 47a extending transversely between and supported
on the side plates 30, and at its other end is pivotally
coupled to arm 38b, and as by means of shaft 49 extend
ing through links 4012 and arms 38b. Links 40, 40a and
4% are preferably provided with pressed bushings or
some other suitable bearing means, for anti-frictional
movement thereof.
Pivoted as at St) to vertical arms 38a is a drive link
FIG. 6 is a top plan view of the chassis frame assem
2 and adjacent the other end of the drive link 52 there
bly illustrated in FIG. 5;
60 is provided a circular opening 54 having an eccentric
FIG. 7 is a front elevational view of the movable jaw
drive member 56 movably mounted therein. Eccentric
of the crushing mechanism of the invention;
drive members 56 are keyed‘, as at 56a, to a transversely
‘FIG. 8 is a side elevational view of the FIG. 7 jaw;
extending drive shaft 58 extending between and rotatably
FIG. 9 is a side elevational view of a frame portion
mounted on side plates 30 of the chassis frame.
of the linkage drive assembly of the crushing mechanism; 65 A sprocket member 60 is secured adjacent one end
FIG. 10 is an end elevational view of the FIG. 9 as
of drive shaft 58 and is connected by any suitable means,
sembly taken from the right hand side thereof;
FIG. 11 is a side elevational view of one of the link
such as a link chain 69a, to a smaller sprocket 62 secured
to a shaft 64 rotatably mounted on and extending be-_
tween side plates 30 behind the stationary jaw 18. A
members for supporting the drive frame assembly of FIG.
79 ?ywheel 66 is secured to ‘an end of shaft 64 with such
9 on the crushing mechanism;
FIG. 12 is a vertical sectional View taken generally
flywheel being coupled, as by means of a belt 68 or
3
the like, to a drive pulley 7% of motor unit 72, which
in the embodiment illustrated is an electric motor.
Motor unit 72 is supported ‘on platform 74 which is
pivotally mounted as at 74a to aforementioned shaft
44a extending transversely between the side plates 3h.
driven linkage mechanism for providing generally linear
movement of the movable jaw towards and away from
the stationary jaw.
The terms and expressions which have been used are
used as terms of description and not of limitation, and
The other end of platform 74 may be provided with a
there is no intention in the use of such terms and ex
resilient holding means 78, including bolt means 78::
pressions of excluding any equivalents of any of the
secured or held at one end, as at 7312, to the base cab
features shown or described, or portions thereof, but
inet 14, and at the other end thereof includes a re
it is recognized that various modi?cations are possible
within the scope of the invention claimed.
silient means, ‘such ‘as compression spring 78c coacting
between the platform 74 and an associated threaded
nut 78d. It will be seen, therefore, that such an ar
rangement provides for readily adjusting the tension in
drive belt 68, which supports the motor unit 72 and
associated platform 74, for accomplishing effective move
ment of the movable jaw 29 of the crushing mechanism.
The movable jaw 20 comprises a plate body 8% simi
lar to the stationary jaw 18 and preferably includes
bosses 80a on its working surface. The upper end of
plate 80 may be provided with a portion 82 for facilitat
ing the movement of cans and the like into the space
83 de?ned between the jaws 18 and 20 ‘andv the side
plates 30 of the chassis frame 16. As can be seen in
FIG. 1, jaw 29 diverges in an upward direction with
respect to the stationary jaw. Jaw 20 may be also pro
vided with vertically extending channel means 86 for
reinforcing the jaw. Brackets 37 are provided on the
outer side of jaw 20 for receiving therein aforementioned
shafts 49, 46a for mounting the jaw 20 on the linkage
system 22 for movement toward ‘and away from the
stationary jaw.
Upon energization of the electric motor 72, which may
We claim:
1. A crushing mechanism for cans and the like, com
prising a chassis frame, said chassis frame comprising
a pair of transversely spaced side plates, a ?rst sta
tionary jaw disposed in a generally vertical plane be
tween said side plates and being connected thereto, a
linkage system movably mounted on said chassis frame,
said linkage system comprising a pair of drive frame
assemblies disposed on opposite sides of said crush
ing mechanism exteriorly ‘of said side plates, each of
said drive frame assemblies comprising a generally ver
tical arm, and top and bottom generally longitudinally
extending divergent arms secured to said vertical arm,
a pair of equal length mounting links pivotally coupled
to said bottom arm adjacent its ends and being piv
otally coupled to said chassis frame, a single mount
ing link pivotally coupled to ‘said top arm and being
pivotally coupled to said chassis frame, a drive link
pivotally coupled’ to said vertical arm of each of said
drive frame assemblies, a second jaw mounted on said
linkage system and between said side plates for move
ment towards and away from said ?rst jaw, eccentric
be provided with a conventional starter switch and as
means coacting with each of said drive links for caus
sociated overload cutout, the drive pulley 70 of the
motor drives belt 68, thereby rotating ?ywheel 66 and
ing longitudinal reciprocation of said drive frame as
causing rotation of shaft 64, thereby driving sprocket 62.
Sprocket 62 drives larger diameter sprocket 60 via chain
60a, thereby rotating the drive ‘shaft 58 and associated
semblies and thus movement of said second jaw towards
and away from said ?rst jaw, and power means for ac
tuating said eccentric means, said power means includ
ing a motor unit having a ‘drive pulley coupled thereto,
eccentric members 56. Rotation of eccentric members
and a ?ywheel rotatably mounted on said chassis frame
56 causes longitudinal movement of drive links 52, there 40 and ‘operatively coupled to said drive pulley, and drive
by resulting in more or less reciprocal movement of drive
sprocket means coacting between said ?ywheel and said
frame assemblies 38 supported by pivotal links 40, 40a
eccentric means for actuating the latter.
and 40b, ‘and thus causing the movable jaw 20 to re
2. A crushing mechanism in accordance with claim ll,
ciprocate generally linearly toward and away from the
wherein said second jaw is disposed in a plane which di
stationary jaw 18 of the crusting mechanism. As cans
verges in an upward direction with respect to the plane
and the like are fed into the widened top of the crusher,
of said ?rst jaw, and reinforcing means secured to the
they are compressed during such generally linear move
outer sides of each of said jaws for rigidifying the latter.
ment of the movable jaw towards and away from the
3. A crushing mechanism in accordance with claim 1,
stationary jaw, and the cans feed down toward the
wherein said mounting links are disposed inwardly of
lower end of the jaws until they pass through the space
between the stationary and movable jaws at the bottom
extremities thereof.
Thereupon the cans may fall into
the receiving cabinet 14 and be subsequently collected
therefrom for disposal. The cans to be crushed may
be ‘opened at both ends thereof, which facilitates the
ease of compression thereof.
said side plates, and wherein transversely extending shaft
means couple the corresponding of said mounting links
together for pivotal movement as a unit, certain of said
shaft means supporting said second jaw.
4. A crushing mechanism in accordance with claim 1,
including a transversely extending shaft rotatably mount
ed on said side plates, said eccentric means being secured
It will be seen that applicants’ arrangement is simple,
to said shaft, a ?rst sprocket secured to said shaft, a second
compact and rugged in construction, and provides for
sprocket coupled to said ?ywheel for rotation therewith,
ready maintenance and adjustment of the crushing mech
?exible chain means coupling said ?rst sprocket to said sec
anism, and that the rotary eccentric movement of the 60 ond sprocket, said sprockets and said ?exible chain means
eccentric drive members 56 is translated by the drive
constituting said drive sprocket means, whereby upon
links 52 into substantially ‘reciprocal linear movement
energization of said motor unit and resultant rotation of
for the movable jaw 20. It will also be noted that the
said flywheel, said second sprocket drives said ?rst
disposition of the supporting links 49, 40a and dub
sprocket and thus causes eccentric rotary movement of
intermediate the side plates 30, in conjunction with the
said eccentric means.
con?guration of the side plates, provides a highly com
5. A crushing mechanism for cans and the like com
pact arrangement.
prising a chassis frame, a ?rst jaw supported by said
From the foregoing discussion and accompanying draw
frame, a linkage system mounted for movement on said
ings it will be seen that the invention provides a novel
frame, a second jaw mounted on said linkage system for
can crushing device which is simple in construction, 70 movement toward and away from said ?rst jaw respon
which operates effectively to compress cans and the like
sive to movement of said linkage system, said linkage
into a generally ?attened con?guration, which is eco
system comprising a drive frame disposed on a side of
nomical to manufacture and to maintain, and which in
said crushing mechanism, longitudinally spaced link
cludes a stationary jaw and a movable jaw, and where
means pivotally mounted on said chassis frame for move
in the movable jaw is supported by a novel eccentric 75 ment in generally vertical planes, said link means being
3,062,131
5
6
pivotally coupled to said drive frame and supporting the
ing the respective drive frame assembly on said chassis
latter on said chassis frame, a generally longitudinally
frame, a drive link pivoted to each of said vertical arms
extending drive link operatively coupled to said drive
and extending generally longitudinally outwardly there
frame, and rotatable means mounted on said chassis
from, means mounted on said chassis frame for actuating
frame and coacting with said drive link for reciprocating
said drive frame generally longitudinally responsive to
said linkage system, said means comprising eccentric
members movably mounted in each of said drive links, a
rotation of the last mentioned means.
6. A crushing mechanism for cans and the like com
members, and power means for rotating said eccentric
transversely extending shaft connecting said eccentric
members to cause reciprocal movement of said drive
prising a chassis frame, a ?rst stationary jaw supported
by said frame, a linkage system mounted for movement 10 frame assemblies generally longitudinally of said crush
on said frame, a second jaw mounted on said linkage
system for movement toward and away from said ?rst jaw
responsive to movement of said linkage system, said link
age system comprising a drive frame disposed on a side
of said crushing mechanism, said drive frame comprising
a substantially vertical arm and generally longitudinally
extending upper and lower arms secured to said vertical
arm, link means pivotally mounted on said chassis frame
ing mechanism.
8. A crushing mechanism for cans and the like com
prising a chassis frame, a ?rst stationary jaw supported by
said frame, a linkage system mounted for movement on
said frame, a second jaw mounted on said linkage system
for movement toward and away from said ?rst jaw re
sponsive to movement of said linkage system, means on
said frame for actuating said linkage system, and power
means for actuating the ?rst mentioned means, said power
for movement in generally vertical planes, said link means
being pivotally coupled to said upper and lower arms and 20 means including a motor having a drive pulley, and a
?ywheel rotatably mounted on said frame, endless ?exible
supporting said drive frame on said chassis frame, and
means coacting 1with said ?ywheel and said drive pulley
means including a rotatable eccentric mounted on said
to cause rotation of said ?ywheel upon actuation of said
chassis frame and coacting with said drive frame for re
motor, a platform pivoted to said frame, said motor being
ciprocating the latter generally longitudinally upon ro
25 supported by said platform, said ?exible means support
tation of said eccentric.
7. A crushing mechanism for cans and the like com
prising a chassis frame, a ?rst stationary jaw supported
by said frame, a linkage system mounted for movement
ing said platform in predetermined position, and adjust
able resilient means coacting with said platform for ad
justing the tension in said ?exible means.
on said frame, a second jaw mounted on said linkage sys
tem for movement toward and away from said ?rst jaw 30
References Cited in the ?le of this patent
UNITED STATES PATENTS
responsive to movement of said linkage system, said link
age system comprising a drive frame assembly disposed
140,019
Dixon et a1 ___________ __ June 17,
on each side of said crushing mechanism, each frame
2,737,995
Jennings _____________ __ Mar. 13,
assembly comprising a generally vertical arm and gen
2,920,554
Bunke _______________ __ Jan. 12,
erally longitudinally extending top and bottom arms se 35 2,931,585
Butler ________________ __ Apr. 5,
cured to said vertical arm, equal length link members
FOREIGN PATENTS
pivotally coupled to said chassis frame for movement
in generally vertical planes, said link members being piv
otally coupled to said top and bottom arms and support
69,073
333,642
1873
1956
1960
1960
France _______________ __ Apr. 8, 1958
Great Britain _________ __ Aug. 21, 1930
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