Process of and Apparatus for Sizing or Classifying Comminuted Materials. Page: 9 of 16
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1,141,852
tiles to be advanced thereon by a sliding
action, while with our apparatus, the agita-
tion of the classifying surface does not effect
the movement of the particles longitudinally
b upon the surface but causes the same by
being agitated, to roll by gravity trans-
versely of the classifying surface and as the
classifying surface is moved continuously,
the particles are carried by the moving sur-
10 face or deck longitudinally, when they are
in the act of rolling transversely and by
timing the speed, of movement of the class-
ifying surface and regulating the pitch of
the surface so as to cause the particles to
16- travel by gravity at a certain rate of speed,
a classifier can be produced which will thor-
oughly classify the comminuted material de-
livered thereon at a high rate of speed at a
small cost, which is the main object to be
20 accomplished in all classifiers now in use.
A further object of the invention is to
provide a roughened or corrugated classify-
ing surface in orderto form a resistance on
the material without actually obstructing
25 the flow of the particles by gravity trans-
versely across the surface, as it is a well-
known fact that the larger particles when
placed upon an inclined surface will travel
at a higher rate of speed than the smaller
3o particles, and our improved process and ap-
paratus is carried out upon this fundamental
principle.
.Other and further objects and advan-
tages of the invention will be ,hereinafter
35 set forth and the novel features thereof de-
fined by the appended claims.
In the drawings Figure 1, is a side eleva-
tion of one form of apparatus for carrying
out our improved process of sizing or class-
40 ifying comminuted material; Fig. 2, is a
transverse vertical section through the same
showing the inclination - of the classifying
surface with the .means for adjusting the
same;.Fig. 3, is a top plan view of one form
45 of driving mechanism for the continuously
moving classifying surface; Fig. 4, is a plan
view of the agitating mechanism showing
the means for regulating the speed thereof,
the eccentric being so constructed that no
50 differential movement is imparted to the
classifying surface as it is essential that the
agitation will not impart a longitudinal pro-
jecting movement to the material on the sur-
face while we have shown a reciprocatory
%5 movement, it is of course understood that a
vertical movement could be employed to ac-
complish the same result; Figs. 5, 6 and 7,
are diagrams illustrating the fundamental
principles of our improved process and ap-
60 paratus for sizing or classifying commi-
nuted material; Fig. 8, is a perspective of
one form of belt; the same being provided
with a .roughened. or unpolished surface;
Fig. 9, is a similar view showing a belt pro-
65 vided with a longitudinally corrugated sur-* face; Fig. 10, is a similar view showing a
belt provided with a transverse corrugated
surface; Fig. 11, is a similar view showing
a belt provided with .an obliquely or diago-
nally arranged corrugated surface, the cor- 79
rugations running in a reverse direction in
the movement of the belt; Fig. 12, is a simi-
lar view showing a belt having diagonal
grooves running in both directions; Fig. 13,
is a detail section through a belt showing 75
the corrugations formed of acute angled
grooves; Fig. 14, is a detail section showing
the corrugations formed upon curved lines;
Fig. 15, is a detail section showing the cor-
rugations formed upon straight .lines. 80
These figures, i. 'e., nine to fifteen, show
various forms of corrugated belts in order
to increase or decrease the resistance with-
out obstructing the flow of the material by
gravity transversely of the belt. Fig. 16, 85
is a detail section through. the apron show-
ing the construction of the deflecting fin-
gers; Fig. 17, is a plan view, of another
form of apparatus showing the application
of a belt drive instead of the gear drive; 90
Fig. 18, is a top plan view of another form
of apparatus for carrying out our improved
process of sizing or classifying comminuted
material in which a conical classifying sur-
face is employed. Fig. 19,- is a vertical 95
transverse section through the same; Fig.
20, is a side elevation; Fig. 21, is a detail
plan of the driving mechanism; Fig. 22, is
'a detail elevation of the agitating means;
Fig. 23, is a top plan view of another form 100
of apparatus for carrying out the process of
sizing or classifying comminuted material;
Fig. 24, is another form of apparatus for
carrying out the process of sizing or classify-
ing 'comminuted material, showing a top 105
drive; Fig. 25, is a transverse vertical sec-
tion through a form of apparatus shown in
Figs. 23 and 24; Figs. 25x to 29, are plan
views of conical classifying surfaces show-
ing various forms of corrugations in order 110
to carry out the process of sizing or classify-
ing the comminuted material; Fig. 30, is a
top plan of a 'conical classifying surface
showing the movement of the material from
a two-point feed; the shading thereon indi- 115
cating the direction of the material in its
movement over the surface when the same is
in continuous movement; and Figs. 31 and
32, are diagrams of a conical classifier show-
ing the same arranged oi an oblique axis 120
in order to arrange the conical classifying
surface upon an inclination for the purpose
of increasing the pitch of the surface from
the point of feed; the diagrammatic lines
showing the ratio of the pitch to the size of 125
the material being delivered upon the conical
surface.
Like numerals of reference refer to like
parts in the several figures of the drawings.
In the form of apparatus shown in Figs. 1302 -
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Sutton, Henry M. Process of and Apparatus for Sizing or Classifying Comminuted Materials., patent, June 1, 1915; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth858872/m1/9/?q=%22~1%22~1: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.