US1386319A

US1386319A - Automatic weighing-machine

Info

Publication number: US1386319A
Application number: US397666A
Authority: US
Inventors: Edgar H Craig
Original assignee: Individual
Current assignee: Individual
Priority date: 1920-07-20
Filing date: 1920-07-20
Publication date: 1921-08-02
Anticipated expiration: 1938-08-02

Description

E. H. CRAIG. AUTOMATIC WEIGHING MACHINE.

APPLICATION FILED JULY 20. I920.

Patentd Aug. 2,1921.

2 SHEETSSHEET 1- gwuenow Eff. L ra/ :9, y

PATENT OFFICE.

EDGAR H. CRAIG, OF ROCKDALE, TENNESSEE.

AUTOMATIC. WEIGHING-MACHINE.

Application filcd Jui 2o,

Toall'whom it may concern." I

Be it known that I, EDGAR H. CRAIG, a citizen of the United States, residing at Rockdale, in the county of Maury and State of Tennessee, have invented certain new and useful Improvements in Automatic Weighing-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 ap rtains to make and use the same.

is invention relates to an automatic weighing machine and has for its object to provide a mechanism which will be comparatively inexpensive to manufacture and more efficient in action than those which have been heretofore proposed. j

With theseand otherobjlects in view the invention consists in the novel details of construction andcombina'tions of parts more fully hereinafter disclosed and particularly pointed out in the claims. I

Referring to the accompanying drawings forming a part of this specification in which like numerals designate like parts in all the views:

Figure'l is'a side elevational view partly broken awa of a machine made in accordance with t is invention;

2 is a fragmenta sectional view taken'on the line2- 2 of 'ig. 1 looking in the direction. of the arrows; u

Fig. 3 isa sectional view through the bins and mainbody portion of the machine illustrating the construction of its interior; and Fig.4 is a sectional view taken through the larger diameter of the associated parts'of the machineflooking toward the spoutthereof. I 1 and 1 indicate any suitable bins or contai'ners for merchandise or other finely divided material such as coffee, sugar, rice, peas, etc; 2 and 2 openings or windows K therein covered with. transparent material; 45

and 3' a base piece on' which said bins rest. Each of'the bins are provided with an opening or delivery orifice 4 and 4 controlled by

valve members

5 and 5 respectively sliding through openings in said bas'e piece 3 and provided with the coil springs 6 and. 6 to maintain said valve members in their closed positions. Said valve members5 and 5 are providedwith holes 7 and 7 adaptedto register with their corresponding holes 4 and 4 when said members are pulled out against Specification of Letters Patent.

scale disk and -Patented Aug. 2, 1921 1920. Serial NO. 397,666.

the compressions of their springs 6 and 6 When said members are thus pulled outtheir notches 8 and 8 will be engaged by the

upper ends

9 and 9 of the levers l0 and 10 p voted at 11 and 11 respectively, and provided with

toes

12 and 12 all as will be clear from Figs. land 2 of the drawings. Said end 9 will thus hold the hole 7 of its valve 5 in registry with its corresponding hole 4 of the bin 1, until saidend 9 is disengaged from its corresponding notch 8, whereupon the spring ,6 will cause the said valve 5 to be drawn inwardly or into the position illustrated in Fig. 2 and thus to brlng its hole 7 out of registry with its corresponding hole 4:. The main body portion 13 of the machine is hollowed out to form the space 1 1, and is provided with the ears or lugs 15 having the perforations 16 4 through which bolts or other fastenings may be passed in order to secure the machine on any suitable wall or support. Said opening or space 14: has connected therewith the spout or delivery 17 which is tapered as shown and whichfmay conveniently enter a bag or other container into which the mer chandise is to be delivered. Closing the opening 14 is the disk like member 20 provided with the tubular member 21' on which n it is loosely pivoted and through which passes the diamond shaped or knife edged member 22 as shown. Said member 22conveniently screws or otherwise secures itself into the back portion 23 of the frame 13 and thus holds the disk 20 in place. The said frame 13 is cut away as at 24 to accommodate the disk 20 so that the outer surface 25 of said disk may lieflush with the outer surface 26 of said frame 13, while said disk may be freely rotated independently of the tubular member 21 of the knife edged member'22, all as will be readily understood from Figs. 1, 3, and 4. Also pivoted on the tubular member 21 and therefore rotating with the said disk 20 is the double cup device or weigher 27 provided with the

receptacles

28 and 28 oppositely disposed as illustrated. Through said device 27, between the cups, passes the diamond shaped member 29 which screws into the disk 20 as illustrated and through the other end 30 of said device 27 passes the similar diamond shaped or knife edged member 31' which likewise screws in the said disk20 as shown. When the disk is inone position one of the cups 28 will register with the hole 4 and its cone shaped delivery spout 32 as shown, while after the disk has made a revolution through 180, the other cup 28 will come into registry with the other hole 4 and its corresponding' cone shaped delivery spout 33, all as will be clear ironi Fig. 3 of the drawings. On the outside of the said disk 20 there is located the scale beam on which is adjustab-iy secured the weight member 36 adapted to balance the weighing machine in a manner well known and also slidably mounted on said beam :35 is the adjustable beam weight or weighing member 37, as will be clear from Figs. 1 and It thus results that by suitably adjusting the weight 37 on the beam 35 said beam through its scale 38 will register zero. This will be the condition when there is no material in either of the

cups

28 and 28 On the other hand, let us suppose that the valve 5 for example is pulled out until the end 9 of the lever 10 snaps into the notch S of said valve and thus holds the hole 7 in registry with the hole 4 Material will now pass down through the hole 43, the cone shaped spout 32 and into one of the cups 28. In the meantime, the beam weight 37 has been-adjusted along the scale 38 oi the beam 35 until it reaches the point which indicates the number of pounds it is desired to sell the customer. Material will therefore continue to flow through the delivery 32 until the beam 35 is tipped. When this l'ippens the roller which is located in close proximity to the toe 12 of the lever 10 will strike said toe and will cause said lever 10 to swing on its pivot 11 and thus bring its end 9 out of the notch 8 whereupon the spring (3 will pull inwardly the valve 5 and bring its hole 7 out of registry with the hole a and thus cut off the supply of material being furnished to the cup 28. The disk 20 may now be rotated by hand on the tube 21 as a axis, until the filled cup turns upside down to deliver the weighed material down through the spout 17 into the bag or other receptacle, not shown, which is located under said spout. The relation of the parts is such that the rotation of the disk and roller may continue until the other cup 28 is brought into registry with the other spout 33 ready for another operation through the pulling out of the valve 5. V

In the meantime the beam weight 37 being provided with a pointer 42, said pointer will have passed over the price scale 43 and will have indicated the particular figure which corresponds to the cost of the number of pounds delivered to the said cup 28, al in manner well known. Said beam. weight 87 is provided with a duplicate pointer 42 which co-act-s with the duplicate scale 44 which last mentioned pointer andscale will come uppermost when the other cup 28 registers with the delivery and may thus be used for the next operation. lVhen said next operation takes place the roller 45 carried by the disk 20 will have passed beyond the toe 13 of the lever 10 and will be in the proper position above said toe to trip said lever and to cause the end 9 of saidlever to disengage the notch 8 or" the valve 5 when it is desired to cut oil material passing through the hole 4. Of course, in order to weigh material passing through said hole a it is only necessary to pull out the valve 5 in the manner derribed in connection with the valve 5 whereupon the operation of the scale mechanism will proceed automatically as just disclosed. Said

valves

5 and 5 may con-- veniently be provided with the ring members dB to facilitate their operation, as will be readily understood. It will now be clear that in order for the merchant to operate this machine it is only necessary for him to set the beam weight 37 at the proper point to indicate the number of pounds he is to weigh, whereupon the pointers 4:2 or e3 will indicate on the scales 43 and 44: the costof that particular number of pounds, whereupon he will pull out the

valve

5 or 5, whereupon the

ends

9 or 9 will hold the corresponding valve open until the desired amount has flowed into one of the

cups

28 or 28 hen said amount has been thus delivered one of the rollers 40 (was will trip its corresponding lever, release its corresponding valve, shut off the material, and the said material will be dumped by hand through the delivery 17 into a receptacle not shown. In order that the disk 20 should be stopped after having turned throughan angle of 180, said disk carries the pins and 51 which take against the stationary member 52. which is sharp pointed as indicated and which therefore by registering with a line of the scale, shows when the

cups

28 or 28 are in the proper positions.

It is obvious that those skilled in the art,

may vary the details of construction as well as the arrangement of parts without departing from the spirit of the invention, and therefore it is not desired to be limited to the above disclosure except as may be required by the claims.

hat is claimed is 1. In an automatic weighing machine the combination of a receptacle to hold the material to be weighed; a pivoted receiver adapted to turn through an angle of substantially one hundred and eighty degrees located beneath said receptacle; a disk provided with a scale beam on which said receiver is mounted; a valve controlling the passage of material from said receptacle to said receiver; means moved by the turning of said receiver for controlling the flow of material into said receiver; and a spout into which said receiver empties in its turning movements, substantially as described.

' receptacle to said receiver; means moved by the turning of said receiver for controlling the flow of material into said receiver; and a spout into which said receiver empties in its turning movements, substantially as described;

3. In a weighing machine the combination of a pair of bins for holding the material to be weighed; an oscillating pivoted disk; a scale beam carried by said disk; a pair of oppositely disposed receive-rs carried by and oscillating with said disk adapted to alternately receive material from said bins; valves for controlling the passage of material from said bins to said receivers; and means controlled by the oscillations of said disk for controlling said valves, substantially as described.

4:. In a weighing machine the combination of a pair of bins for holding the material to be weighed; an oscillating pivoted disk; a scale beam carried by said disk; a pair of oppositely disposed receivers carried by and oscillating with said disk adapted to alternately receive material from said bins; spring pressed valves for controlling the passage of material from said bins to said receivers; and means comprising pivoted levers controlled by the oscillations of said disk for controlling said valves, substantially as described.

5. In a Weighing machine the combination of a pair of bins for holding the material to be weighed; an oscillating pivoted disk; a scale beam carried by said disk; a pair of oppositely disposed receivers carried by and oscillating with said disk adapted to alternately receive material from said bins; valves for controlling the passage of material from said bins to said receivers; and

.means comprising rollers carried by said disk and pivoted levers controlled by the oscillations of said disk for controlling said valves, substantially as described.

6. In a weighing machine the combination of a pair of bins for holding the material to be weighed; an oscillating pivoted disk; a scale beam carried by said disk; a beam weight carried by said beam; a price scale carried by said disk with which said beam weight co-acts; a pair of oppositely disposed receivers carried by and oscillating with said disk adapted to alternately receive material from saidbins; valves for controlling the passage of material from said bins to said receivers; and means comprising rollers and levers controlled by the oscillations of said disk for controlling said valves, substantially as described.

In testimony whereof I aflix my signature.

EDGAR H. CRAIG.