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Патент USA US3089486

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May 14, 1963
w. E. SAXE
3,089,477
ICE BREAKER
Filed Sept. 8, 1958
F7611.
35 34 F2
mus/v70»?
WALTER E. 5AXE
5y ms ATTORNEYS‘
HARE/S, A7501, F05 75/? <3 HARR/s
United States Patent O?
1
3,089,477
Patented May 14, 1963
2
standard dimensions distances of at least 2% inches for the
3,089,477
ICE BREAKER
Walter E. Saxe, Pasadena, Calif., assignor to The Con
veyor Company, Los Angeles, Calif., a corporation of
California
Filed Sept. 3, 1958, Ser. No. 759,715
4 Claims. (Cl. 125-23)
foregoing pick point spacings.
An important object of the invention is to provide an ice
breaker which includes stationary splitting means carried
by the supporting structure on the ice block path down
stream from the rotors, the stationary splitting means in
cluding upstream-facing ice picks which split the smaller
blocks produced by the rotors into still smaller, substan
tially rectangular or square blocks of substantially uniform
general object thereof is to provide an apparatus which 10 size and shape.
The present invention relates to ice breakers and a
will split a conventional rectangular block of ice into
More particularly, another object is to provide a sta
small rectangular or square lblocks or" substantially uni
tionary splitting means which includes tertiary ice picks
form size and shape within a minimum of small fragments.
arranged in at least one row parallel to the rotor axes and
A primary object of the invention is to provide an ice
tetradic ice picks arranged in rows spaced apart along
breaker which includes the following elements: a support 15 the row of tertiary ice picks and oriented perpendicularly
ing structure providing a path for a conventional rectangu
thereof.
lar block of ice; two rotors mounted on the supporting
The foregoing objects, advantages, features and results
structure for rotation about spaced, parallel axes respec
of the present invention, together with various other ob
tively disposed on opposite sides of the path; means con
jects, ‘advantages, features and results thereof which will
nected to the rotors for counterrotating them in timed 20 be evident to those skilled in the ice breaking art in the
relation and in such directions that successive circumfer
light off this disclosure, may be attained with the exem
ential portions of the rotors move in a downstream
plary embodiment of the invention described in detail here~
direction along the path as they approach each other;
spaced, generally radial, primary ice picks on and project
inafter and illustrated in the accompanying drawing, in
which:
ing from each of the rotors and arranged thereon in axial 25
FIG. ‘1 is a view, partially in elevation and partially in
ly spaced, circumferential bands in planes perpendicular
longitudinal sect-ion, illustrating an ice breaker which em
to the axis of such rotor and in circumferentially spaced,
bodies the invention;
FIG. 2 is a transverse sectional view taken along the
axial rows in planes containing the axis thereof, the bands
arrowed line 2--2 of FIG. 1;
on one of the rotors being in register with the bands on
FIGS. 3 and 4 are enlarged sectional views respectively
the other, respectively, and the rows on one of the rotors 30
taken along the arrowed lines 3—3 and 4-44 of FIG.
registering with the rows on the other, respectively, as
the rotors are rotated in timed relation; and generally
2; and
FIGS. 5 and 6 are perspective views illustrating the
radial, secondary ice picks on and projecting from each of
manner in which a conventional rectangular block of ice
the rotors and located between the primary ice picks of at
least one of the bands thereon, the bands on the two rotors 35 is split by the present invention.
Referring particularly to FIGS. 1 and 2 of the drawing,
which have the secondary ice picks therein being in
register.
the ice breaker of the invention includes a supporting
structure 10 comprising a housing 12 which provides a
More particularly, a primary object of the invention is
chute 1or path 14 for a conventional rectangular ice block
to space the primary ice picks apart in the axial rows
thereof distances su?iciently small that the registering rows 40 16 to be split by a splitting apparatus 18 within the hous
ing. The smaller blocks emanating ‘from the splitting
on the two rotors split the conventional rectangular block
apparatus 18 may be handled in any suitable manner.
of ice as it passes therebetween, and to space the points
of the primary and secondary ice picks apart in the bands
containing the secondary ice picks distances suf?ciently
small that these bands also split the block as it passes
therebetween. For the standard rectangular ‘block of ice,
these distances are of the order of magnitude of 11 inches,
such a standard block of ice weighing approximately 300
pounds and having dimensions of 11 inches by 22 inches
by 44 inches, the block being passed between the rotors
with its smallest dimension perpendicular to the axes
thereof, i.e., with its smallest dimensions extending trans
For example, they may fall into a screw conveyor 20‘ com
prising a screw 22- rotatable in a housing 24 and driven by
” an electric motor 26.
Considering the splitting apparatus 18, it includes two
rotors 23 mounted on the supporting structure 10* within
the housing 12 thereof for rotation about spaced, parallel
axes respectively disposed on opposite sides of the path
14-, the rotor axes being vertical in the construction ill-us
trated. The rotors 28 include shafts 3%) having thereon
bevel gears 32 respectively meshed with bevel gears v34 on
a common drive shaft 36 suitably connected to and driven
versely of the path. With respect to the bands containing
by an electric motor 38. With this arrangement, the
only primary ice picks, the points of these ice picks are
spaced apart su?iciently far that such bands do not split 55 rotors 28 are driven at equal speeds and in timed rela
tion, the bevel gears 34 being so oriented relative to the
the block of ice as it passes therebetween, the pick point
bevel gears 32 that the rotors 28 are driven in opposite
spacing in this instance preferably being double the pick
directions such that successive circumferential portions
point spacing in the bands having the secondary ice picks
of
the rotors move in the downstream direction along
therein.
60 the path 14 as they approach each other.
With the foregoing construction, a standard block of ice
Each rotor has mounted thereon spaced, generally ra
is split into smaller rectangular blocks of substantially
dial, primary ice picks 40 which are arranged in axially
uniform size and shape as it is propelled ‘along the path
spaced, circumferential bands 42 and 44 in planes per
by and passes between the two rotors, the splitting opera
pendicular to the axis of such rotor, and which are ar
tions being performed by the axial rows of primary teeth 65 ranged in circumferentially spaced, axial rows 46 in
and by the circumferential bands of primary and sec
planes containing the axis of such rotor. The bands 42
ondary teeth. In order for this splitting action to take
and 44 on each rotor 23 are in register with the bands 42
place, it is necessary that the spacing of the rotor axes
and 44 on the other, respectively, and the rows 46 on each
and the distances that the points of the primary and sec
rotor register with the rows 46 on the other, respectively,
ondary ice picks are located from the rotor axes be so 70 as the rotors are rotated in timed relation.
related that the picks penetrate a block of the foregoing
Each band 44, which is located between two pairs of
3,089,477
3
the bands 42 in the construction illustrated, also in
cludes generally radial, secondary ice picks 48 alternating
with the primary ice picks 40 in such band.
The distances between the primary ice picks 40 in the
rows 46, the distances between the points of the primary
ice picks 40 in the bands 42, the distances between the
primary and secondary ice picks 40 and 48 in the bands
4
structure providing an ice block path; two rotors mounted
on said supporting structure for rotation about spaced,
parallel axes respectively disposed on opposite sides of
said path; means connected to said rotors for rotating
them in opposite directions in timed relation at the same
speeds and in such directions that successive circumferen
tial portions of said rotors move in a downstream direc
tion along said path as they approach each other; spaced,
generally radial, ice picks on and projecting from each
inbefore set forth, that the rows 46 of primary ice picks 10 of said rotors and arranged thereon in a rectangular pat
tern of axially spaced, circumferential bands in transverse
and the bands 44 of primary and secondary ice picks split
planes perpendicular to the axis of such rotor and cir
the block '16, whereas the bands 42 of primary ice picks
cumferentially spaced, axial rows in planes containing the
do not. With a standard block 16 having the dimen
axis thereof, said bands on one of said rotors being in
sions hereinbefore given, and with the pick spacings
hereinbefore given, the block is split into eight smaller 15 register with said bands on the other, respectively, and
said rows on one of said rotors registering with said
blocks 50 of substantially the same shape and size, as
rows on the other, respectively, as said rotors are rotated
shown in FIG. 5 of the drawing. The plane in which
in timed relation, the tips of said ice picks lying on circles
the block 16 is split by the bands 44 of primary and sec
having radii less than half the spacing of said axes so that
ondary ice picks 40 and 48 is designated in FIG. 5 by the
numeral 52, some of the points at which the block 16 is 20 said ice picks project less than half way across said ice
44, and the distances of the primary and secondary ice
picks from the axes of the rotors 28 are so related, as here
engaged by the primary and secondary ice picks 4t} and
block path when they project thereinto; and splitting
means carried by said supporting structure and located
48 of the bands 44 being identi?ed by the numerals 4i} and
on said path downstream from said rotors.
48 in FIG. 5. The planes along which the block 16 is
2. In an ice breaker, the combination of: supporting
split by the rows 46 of primary ice picks 40 are identi
?ed by the numeral 54 in FIG. 5, the points of engagement 25 structure providing an ice block path; two rotors mounted
on said supporting structure for rotation about spaced,
by the primary ice picks of such rows being identi?ed by
parallel
axes respectively disposed on opposite sides of
the number 40.
said path; means connected to said rotors for rotating
The splitting apparatus 18 also includes stationary split
them in opposite directions in timed relation at the same
ting means 56, carried by the supporting structure 10 on
the path 14 downstream from the rotors 28, for splitting 30 speeds and in such directions that successive circumferen
tial portions of said rotors move in a downstream direc
the blocks 50 into still smaller blocks 58 of substantially
tion along said path ‘as they approach each other; spaced,
uniform size and shape as the blocks 5%) emerge from be
tween the rotors 28. The splitting means 56 includes a
bar 60 parallel to the axes of the rotors 28 and bisecting
generally radial, primary ice picks on and projecting from
each of said rotors and arranged thereon in a rectangular
the path 14, and includes bars 62 mounted on the bar 60 35 pattern of axially spaced, circumferential bands in trans
in perpendicular relation thereto and extending across the
path 14, each bar 62 being located midway between the
bands 44 of pick-s 40 and 48 and the corresponding edge
of the block 16.
- verse planes perpendicular to the axis of such rotor and
circumferentially spaced, axial rows in planes containing
the axis thereof, said bands on one of said rotors being in
register with said bands on the other, respectively, ‘and said
The bar 60 carries a row of tertiary ice picks 64 facing 40 rows on one of said rotors registering with said rows on
the other, respectively, as said rotors are rotated in timed
upstream of the path 14 and arranged in a row parallel to
relation; generally radial, secondary ice picks on and pro
the rotor axes. Each bar 62 carries tetradic ice picks 66
jecting from each of said rotors and located between said
which also face in the upstream direction and which are in
primary ice picks of at least one of said bands thereon,
a row perpendicular to the row of tertiary ice picks 64
said bands on said rotors having said secondary ice picks
45
and perpendicular to the path 14.
therein being in register, the tips of said primary and sec
Referring to FIG. 6 of the drawing, the plane along
ondary ice picks lying on circles having radii less than half
which the tertiary ice picks 64 split the blocks 50 as they
the spacing of said axes so that said primary and second
are propelled therea-gainst by the rotors 28 is designated
ary ice picks extend less than half way across said ice
by the numeral 63, the points at which the picks 64 engage
block path when they project thereinto; and splitting means
being designated by the numeral 64 in FIG. 6. The 50 carried by said supporting structure and located on said
planes in which the tetradic ice picks 66 split the blocks
path downstream from said rotors.
50 are designated by the numeral 78 and the points of en
gagement of these picks are identi?ed by the numeral 66
in FIG. 6.
Thus, with the construction illustrated, the block 16
is split into thirty-two small rectangular blocks of sub
stantially equal size and shape, each such ‘block weighing
approximately eleven pounds. This is accomplished with
3. In an ice breaker, the combination of: supporting
structure providing an ice block path; two rotors mounted
on said supporting structure ‘for rotation about spaced,
parallel axes respectively disposed on opposite sides of said
path; means connected to said rotors for rotating them
in opposite directions in timed relation and in such direc
tions that successive circumferential portions of said rotors
move in a downstream direction along said path as they
almost no formation of small, unusable fragments with
the construction described, which is an important feature. 60 approach each other; spaced, generally radial, primary
Although a construction has been disclosed for split
ice picks on and projecting from each of said rotors and
ting a standard block into thirty-two equal blocks, the
arranged thereon in axially spaced, circumferential bands
number into which the standard block is split may be
in planes perpendicular to the axis of such rotor and
varied by varying the number of bands 44 containing
in circumferentially spaced, axial rows in planes contain
secondary ice picks 48, varying the number of rows 46 65 ing the axis thereof, said bands on one of said rotors being
of primary ice picks 40, varying the number of rows of
1n_register with said bands on the other, respectively, and
tertiary ice picks 64, varying the number of rows of tetrad
said rows on one of said rotors registering with said rows
ic ice picks 66, and the like. Consequently, although
on the other, respectively, as said rotors are rotated in
an exemplary embodiment has been disclosed herein for
timed relation; generally radial, secondary ice picks on and
purposes of illustration, it will be understood that various 70 projecting from each of said rotors and located between
changes, modi?cations and substitutions may be incor
said primary ice picks of at least one of said bands there
porated in such embodiment without departing from the
on, said bands on said rotors having said secondary ice
spirit of the invention as de?ned by the claims which
picks therein being in register; and splitting means car
follow:
ned by said supporting structure and located on said
1. In an ice breaker, the combination of: supporting 75 path downstream from said rotors, said splitting means in
3,089,477
5
eluding tertiary ice picks facing upstream of said path and
arranged in at least one row parallel to said axes.
4. In an ice breaker, the combination of: supporting
structure providing an ice block path; two rotors mounted
on said supporting structure for rotation about spaced,
parallel axes respectively disposed on opposite sides of
said path; means connected to said rotors for rotating them
in opposite directions in timed relation and in such direc
tions that successive circumferential portions of said rotors
6
thereon, said bands on said rotors having said secondary
ice picks therein being in register; and splitting means car
ried by said supporting structure and located on said path
downstream from said rotors, said splitting means includ
ing tertiary ice picks facing upstream of said path and
arranged in at least one row parallel to said axes, and said
splitting means including tetradic ice picks facing upstream
of said path and arranged in at least one row perpendicu
lar to said path and perpendicular to said roW of tertiary
move in a downstream direction along said path as they 10 ice picks.
‘approach each other; spaced, generally radial, primary
ice picks on and projecting from each of said rotors and
arranged thereon in axially spaced, circumferential bands
in planes perpendicular to the axis of such rotor and in
circumferentially spaced, axial rows in planes containing 15
the axis thereof, said bands on one of said rotors being
in register with said bands on the other, respectively, and
said rows on one of said rotors registering with said rows
on the other, respectively, as said rotors ‘are rotated in
timed relation; generally radial, secondary ice picks on 20
and projecting from each of said rotors and located be
tween said primary ice picks of at least one of said bands
References Cited in the ?le of this patent
UNITED STATES PATENTS
2,449,132
2,537,779
2,590,499
2,643,522
2,684,209
2,762,410
2,839,254
2,919,560
Lucia _______________ __ Sept. 14,
McLain et a1. ________ __ Jan. 9,
Braswell _____________ __ Mar. 25,
McLain _____________ __ June 30,
Gangemi ____________ __ July 20,
Stahl _______________ __ Sept. 11,
Smith _______________ __ June 17,
Beemer et ‘al. _________ __ Jan. 5,
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1953
1954
1956
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