US1041947A - Mixing-machine. - Google Patents

Description

F. T. AR

MIXING MA APPLICATION FILED 1911.

1 41,947, Patented Oct. 22 12.

5 SHEETS-SHE P. T. ARNOLD.

MIXING MACHINE.

APPLICATION FILED 00T.25,1911

1,041,947, ()0 Patented Oct. 22, 1912.

J) 5 SHEETSSHEET 2.

LO 0 O 3 QWWKQQQ 'T' wwww Afforney F. T. ARNOLD.

MIXING MACHINE.

APPLICATION FILED OCT. 25, 1911.

Patented 0013.. 22, 1912.

5 SHEETSSHEET 3 T J TTnold I. T. ARNOLD.

MIXING MACHINE.

APPLICATION FILED OCT. 25, 1911.

5 SHEETS-SHEET 4.

[.VVAZVTOR T m n m d Patented Oct. 22, 1912.

W/mush F. T. ARNOLD.

MIXING MACHINE.

APPLICATION FILED OCT. 25, 191l 1,041,947., Patented 0013.22, 1912.

5 SHEETSSHBET 5.

To all whom it may I view of the complete improvement,

STATES PATENT-OFFICE. 1

FREDERICK 'r. mom), or win: mama swarms Am.

' Be it known that I, FREDERICK T. An-. NOLD, captain and quartermaster, United States Army, a citizen of the United States,

residing at New London, in the count of New London and State of Connecticut, ave

invented COI'talIl. new and useful Improvements'in Mixing-Machines; and I do hereby declare the following to be a .full, clear,

and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to mixing machines and. more particularly to a device of this character employed for mixing concrete,

mortar, etc., and is an improvement over my former Patent Number 966,639, dated Aug. 9, 1910.

A i object of the invention is to providea mixing machine which will be practicall in the orm of an octahedron and whic will thoroughly mix the material during the transportation thereof to the place at which it is to be used.

Another object is to simplify 'and improve the construction and operation of the various ,parts of the machine.

Other objects and advantages will be hereinafter set forth and pointed out in the specification and claims.

In the accompanying drawings which are made a part of this application, Figure 1, a side elevational view of the complete device, Fig. 2, is a detail view of the dog, Fig. 3, is a similar view looking at the upper side of said dog, Fig. 4, is a topplan 1g. 5, is a detail view of one of the blades, Fig. 6, is a similar view, looking at the side thereof, said view being taken at right angles to Fig. 5, Fig. 7, is a horizontal sectional view throu h the complete machine, the crossbar of the handle being broken away, Fig. 8, is a fragmentary view, showing the manner of hinglng the lid' or door, Fig. 9, is a fragmentary sectional view, throughFig. 4 on the. line 9-9 of said figure, Fi 10, is a Specification of Letters Eatent. Application filed October 25,:1911. Serial No. 656,599.

Y m'xme-macmna.

Patented0ct.2 2,1912.

view of theoctahedral mixing hopper the several views, 1 represents the 'octahedral mixing hopper which is formed, as shown in Fi ing prefera'b y in one piece and bent along the mes 2, making sides of substantially triangular form with the corners cut away or made square, against which corners the similarly formed corners of the end pieces 3 are engaged. The cover or door 4 is provided with the hinges 5 along one edge which hinges are also secured along the edge 6 of one of the sides of the body 1, it being understood that'a space is left between two of the sections or sides of the body 1, between the ed e 6 of one section .13, 14 and 15, the body beand the corresponding e ge of the next section and that the door 4 covers this opening and takes the place of the missing section. The door or cover 4 also carries upon its upper face a plurality of latching leversshaped slots 10 of the latch plates 11 car-' ried by the adjacent sections of the hopper 1 and by one end 3, said latch plates 11 having their slotted portions spaced from the section or end to which they are secured and projected beyond the edge of the cover or door 4 when the latter is in closed position. Itwill be seen that when the handles 12 of the lever 7 are grasped and the beveled extended portions 9 thereof forced within the correspondingly formed slots 10 in the plates 11, the cover 4 will be drawn tightly against the adjacent edges of the sections of the hopper or against the knife edges 13 of the closure strips 14 secured along and projecting beyond the edges of .the sections of said hopper and of the end thereof, thus forming a water tight closure around the edge of the door 4, making it impossible for any of the contents of the hopper to escape between thev door 4 and the adjacent sections.

2 eanna? If desired, the sections of the hopper 1 may be so formed and the blank bent along the lines 2 between the sections to leave spaces at the squared corners of said sections near the opposite ends of the hopper, these ,spaces being filled by the small sectionsflpr plates which are preferabl of substantially rectangular form and w ich also carry the hopper'rotating handles 16, by means of which the hopper may be readily rotated by hand, if preferred, to thoroughly mix the contents of said hoppplr.

t will be clearly seen that by ben the blank alon the lines 2, a hopper in the orm of an cot-a edron is presented, which form will serve to thoroughly mix orco-min le the contents of the hopper by throwing t e same against first one side and then another as said hopper is caused to rotate.

Each end 3 of the hopper 1 is provided with a central opening 17 through which a shaft 18, is extended, said shaft projecting for some distance from either end of the octahedral hopper. The bearing sleeves 19 are secured upon the shaft 18 and have the flanges 20 which are secured to the ends 3 of the mixing hopper, thus forming bearings for the opposite ends 3 of the mixing hopper and locking said hopper .upon the shaft 18, the sleeve portions of the bearings- 19 extending through the central openings 17 and the opposite ends of the hopper resting upon these flanged portions of said bearings. It will be understood that the flanged portion of the bearings 19 also extend outwardly from the ends 3 of said mixing hopper and the hubs 21.. workv against the ends of the flanged portions or are spaced therefrom by suitable spacing washers 22,- the hubs 21 working loosely upon the shaft 18. Outwardly of the hubs 21' are the short handles 23 within the outer end of which are threaded the pipe sections passed through the ends of the shaft.

Mounted upon the shaft 18, within the octahedral mixing hopper 1 are the agitating blades or knives 28 which are twisted or given a one qllllarter turn about midway their length, as s own at 28, to increase the strength thereof. One half of the knives or blades 28 serve to agitate the material within the hopper as the latter is rotated and said material thrown a ainst the knives, as

will be later clearly un erstood. The other half of each blade, that is from its turn portion 29 tothe end serves to hold the other half or agitating ortion of the blade in extended position rom the shaft 18. About midway the securing or holding half of the blade is provided the semi-circular or shaft engaging portion 30 which. is adapted for engagement upon the shaft 18, and to either side of this portion is provided an opening 31 for the reception of a bolt or rivet which also passes through. similar openings of a clamping number (not shown) which also fits over the shaft 18, the bolts or rivets serving to connect the securing or holdin end of the blade and theclamping num er and hold the same tightly against the shaft 18.

Carried upon the inner side of one of the be in the form of a hoop instead ofa segment and is secured in 'position, spaced from the inner side of the wheel by means of the spacing and securingmembers 34 connecting over the spokes 35 of the wheel 26.

' Pivoted upon the adjacent end 3 of the hopper 1 is the dog 36 having the tooth engaging projection 37 for engagement with the teeth 33 of the gear 32 when it is desired to transmit rotary motion from the gear 32- carried by the wheel 26 to the octahedral mixing hopper 1. The dog 36 is normally held. with its extension or projection 37 in engagement with the teeth 33, by means of- 'the dog controlling spring 38 having one end turned and secured to the rounded end 'of the dog36, as shown at 39 while the remainder ofthe sprin 38 is straight and Works against the gui e 40 upon the end of the hopper. The tooth engaging projection 37 of the dog 36 is forced from engagement of the teeth 33 by means of a cam 41 pivoted upon the end 3 of the hopper 1 and having a handle 42 by means of which the cam is rotated, .said cam working against the swinging portion of the dog 36. When the cam 41 is in one position the dog 36 will be forced away from the teeth 33,'against the tension of the spring 38 and when said cam is in its other position the dog extension 37 will be forced into engagement with the teeth 33, by means of the springs 38, thereby locking the wheel 26 carrying the gear 32 with the hopper 1, causing the latter to rotate as the machine is moved along the wheel 26 rotates. As the other wheel 26 is loose upon the shaft 18 and not connected to the hopper 1, it will be evident that the hopper may be caused to revolve and thoroughly mix itscon-tents by swingingthe machine in a circle, causing the wheel26 carryand be utilized for drawing the machine along the ground and that the dog 36 may be held from engagement with the teeth 33 during the transportation of the mixer from one place to another or said dog 36 may be engaged with the gear 32 to cause the octahedral mixing hopper 1 to revolve and mix the contents of said hopper during the transportation of the machine from the main station to the place at which the mixed material is to be used, thus saving time, labor and expense, and simplifying the many operations heretofore required in mixing concrete, mortar, etc.

If desired, bathe plates 43 may be suitably secured to the inner surface of the sides of the octahedral hopper 1 for the purpose of breaking and thoroughly mixing the ma terial. The bafiie plates may be of any form and placed at various angles to one another and any number of the same may be employed. I have shown battle plates, however, formed of suitable strips of metal bent at right angles, the narrow edges being secured to the sides of the hopper and the wide edges projecting at right angles therefrom, toward the center of the hopper. It will be evident that the battle plates will serve to break lumps striking upon said plates and thus thoroughly mix the material as the hopper is rotated. The battle plates 43 may be employed in place of the agitating plates or knives 28 or in connection therewith, as desired.

It will be seen that this mixer may be employed for mixing various materials and that it will be positive and efficient in operation. Further, owing to the simplicity in the construction and operation, the complete machine may be manufactured and employed at a small cost and should any of the parts become worn or broken or the connections become loose at the closure or edges of the door, said parts may be readily repaired or replaced without interfering with the other parts of the device, such work also being done at a small cost. The mixing of the materials may be done with this machine by an extremely small number of men,

in fact it may be performed by one workman and does not require a great deal of experience.

\Vhat I claim is:

1. A mixing machine comprisin an axle, an octahedral hopper upon the ax e, wheels upon the axle, means carried by the hopper and one wheel for causing the hopper to rotate with the wheels to mix the contents of said hopper, opposed batlle plates upon the inner faces of the sides of the hopper and positioned obliquely to the axle, and twisted blades of various lengths projecting from the axle to assist in mixing material within the hopper during rotation of the latter.

2. A mixing machine comprising the combination of a hopper formed of connected obliquely arranged side members, an axle. said hopper being rigid upon the axle, wheels loosely mounted upon the axle, means for locking the wheels with the hopper to rotate the latter to mix the contents of said hopper, opposed bafiie plates upon the inner face of the side members of the hopper and arranged at various angles to the axle, and twisted blades of various lengths projecting from the axle to assist in mixing material within the hopper during rotation of the latter.

3. A mixing machine comprising an axle, an octahedral hopper rigid upon said axle, wheels upon the ,axle, means for rotating the wheels, means carried by the hopper and one wheel for causin the hopper to rotate with the wheels to mix the contents of said hopper, opposed battle plates upon the inner faces of the substantially triangular sides of the hopper, and twisted blades of various lengths projecting from the axle to assist in mixin material within the hopper during rotation of the latter.

In testimony whereof I have signed my name to this specification in the presence of two subscribin witnesses.

FR EDERICK r. ARNOLD.

Witnesses GEO. E. LAMB, JNo. D. BADGER.

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