Improved Appliances for Propelling Materials upon Sieves and other Surfaces Swinging in a Circular Path.
Year: 1892

page_text: Date of Application, 7th Oct., 1892
Complete Specification Left, 5th July, 1893-Accepted, 5th Aug., 1893
PROVISIONAL SPECIFICATION.
Improved Appliances for Propelling Materials upon Sieves and other
Surfaces Swinging in a Circular Path.
I, CARL HAGGENMACHER, of Buda Pest, V Rudolfsquai 8, Managing Director
of Mills, do hereby declare the nature of this invention to be as follows:-
This invention relates to horizontal or inclined frames the bottom of which is
covered with a sifting surface, silk, canvas, or wood &c., and which are made to
swing in a circular path so as to cause the granular material to be acted upon to
travel over such surface, this surface being divided by partitions into a number of
parallel compartments of suitable width, through which the material is made to
travel longitudinally while being subject to a sifting, purifying, or other action.
For propelling forward the material in such compartments, the one side wall of
each compartment has heretofore been provided either with projecting propelling
ribs or with projections producing frictional resistance, or with pins, rasp-like
surfaces &c.
According to my present invention I effect the forward propulsion of the
material upon such surfaces by providing the one side wall of each passage with
curved or angularly bent scoop-like blades, projecting from the side wall partly
across the compartment and having their extremities bent into such a position as to
lie as nearly as possible parallel to the direction in which the material is to be
propelled. By means of this construction of blades the material caught up thereby
is propelled forward as nearly as possible parallel to the required direction of travel,
instead of advancing slowly in a zigzag direction, as is the case with the means
heretofore employed.
The said curved or angularly bent blades have their concave surfaces presented
towards the side wall of the compartment to which they are attached, and
assuming the direction of the circular path in which the frame swings to correspond
with the motion of the hands of a clock, the said blades would be attached to the
left hand side wall of the compartment, when looking in the direction of travel, to
produce the effect described. If the rotation takes place in the contrary direction,
the blades would be fixed to the right hand wall.
By means of the above described improved construction, the material being
propelled almost in a straight line instead of in a zigzag direction, it is made to
travel forward much faster than heretofore, and consequently the yield of the
apparatus is much greater. When the invention is applied to sieves, the sifting
action is much more rapid, in particular in cases where it is not so much a question
of separating dust from granular material, as of sorting large quantities of granular
material rapidly into different sizes.
Dated this 7th day of October 1892.
ABEL & IMKAI,
Agents for the Applicant.
COMPLETE SPECIFICATION.
Improved Appliances for Propelling Materials upon Sieves and other
Surfaces Swinging in a Circular Path.
I, CARL HAGGENMACHER of Buda Pest, V Rudolfsquai 8, Managing Director
of Mills, do hereby declare the nature of this invention and in what manner the
same is to be performed, to be particularly described and ascertained in and by the
following statement :-
This invention relates to horizontal, ascending or inclined frames, the bottom of

page_text: which is covered with bolting cloth, silk, canvas, wood or other material and which
are made to swing in a substantially circular path (gyrating sieves) so as to cause
the granular material to be acted upon to travel over such surface, this surface.
being divided by partitions into a number of channels of suitable width, through
which the material is made to travel while being subject to a sifting, or separating
action for the purpose of collecting the material at the outlets.
For propelling forward the material in such channels, the one side wall of each
compartment has heretofore been provided either with projecting, propelling ribs
or with projections, producing frictional resistance, or with pins, rasp-like
surfaces &c.
According to my present invention I effect the forward propulsion of the material
upon such surfaces by providing the one side wall of each passage (channel) with
curved or angularly bent scoop-like blades, projecting from the side wall across the
compartment and having their extremities bent into such a position as to lie as
nearly as possible parallel to the direction in which the material is to be propelled.
By means of this construction of blades the material caught up thereby is propelled
forward as nearly as possible parallel to the required direction of travel instead of
advancing slowly in a zig-zag direction, as is the case with the means heretofore
employed.
The said curved or angularly bent blades have their concave surfaces presented
towards the side wall of the compartment to which they are attached, and,
assuming the direction of the circular path in which the frame swings to correspond
with the motion of the hands of a clock, the said blades would be attached to the
right hand side wall of the compartment, when looking in the direction of travel,
to produce the effect described. If the rotation takes place in the contrary
direction, the blades would be fixed to the left hand wall.
The accompanying drawing shows examples of the before described propelling
blades or slats, which may vary in form; they may be bent in angles or form any
suitable curve.
Figs. 1 and 2 show each a plan of a channel of a frame and Figs. 3, 4 and 5
show respectively sections on the lines A-A' and B-B¹.
care the propelling blades, 6 is the sieve or other surface of the frame and rare
the walls forming the channels.
By means of the above described improved construction, the material being
propelled almost in a straight line instead of in a zig-zag direction, it is made to
travel forward much faster than heretofore, and consequently the yield of the
apparatus is much greater. When the invention is applied to sieves, the sifting
action is much more rapid, in particular in cases where it is not so much a question
of separating dust from granular material as of sorting large quantities of granular
material rapidly into different sizes.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is :
In sifting or sorting machines having a gyrating motion, the use of frames the
partitions or sides of which are provided with propelling blades or slats having an
angular or curved form such as to propel the material forward in a direction
parallel or nearly so to the direction of travel substantially as described.
Dated this 30th day of June 1893.
ABEL & IMRAY,
Agents for the Applicant.