US1158717A - Adding and recording machine. - Google Patents

Description

J. RABER.

ADDING AND RECORDING APPLICATION FILED JULY INE.

Patented Nov. 2, 1915.

2 SHEETSSHEET l- J. RABER.

ADDING AND RECORDING MACHINE.

APPLICATION FILED JULY 26.1909.

1,158,717. I Patented Nov. 2, 1915.

2 SHEETSSHEET 2.

UNITED STATES PATENT OFFICE.

JOSEPH RABER, 0F POPLAR BLUFF, MISSOURI, ASSIGNOR, BY MESNE ASSIGNMENTS,

TO THE DALTON ADDING MACHINE COMPANY, OF CINCINNATI, OHIO, A CORPORA- TION OF OHIO.

ADDING AND RECORDING MACHINE.'

Specification of Letters Patent.

. Patented Nov. 2, 1915.

To all wkomc't may concern:

Be it known that I, JOSEPH RABER, a citizen of the United States, residing at Poplar Bluff, Missouri, have invented a new and useful Adding and Recording Machine, of which the following is a specification.

This invention relates to adding and recording machines, and has for its object to provide an improved operating or driving mechanism for operating the machine to perform its adding and recording functions.

Another object is to provide an adding machine in combination with an air or pneumatic driving mechanism under the control of the operator whereby the machine may be readily operated to perform its various functions.

Another object is to provide an adding machine having mechanism for setting, recording and adding numbers, in combination with an air-driven device for operating the mechanisms for adding and recording numbers, and means under the control of the operator for causing said air-driven device to operate whenever necessary.

Another object is to provide an adding machine having a main or operating shaft in combination with a cylinder and piston mechanism entrained with said shaft whereby reciprocation of the piston will operate the shaft, and devices under the control of the operator for regulating the operation of said piston.

There are other objects and advantages to be attained by this invention which will appear from the following description, and reference to the accompanying drawings, in which Figure 1 is a plan view illustrating the connection of the present invention with the main or operating shaft of a well known adding machine. Fig. 2 is a sectional view of an adding machine containing the present invention.

For convenience of illustration I have embodied my invention in an addingmachine of the cross carriage type of Well known construction. Manyof the more prominent features of said machine are illustrated in the application filed by Hubert Hopkins on or about January 24, 1903, Serial No. 140,390, patented September 24, 1912, No. 1,039,130, and in British Patent No. 854, of 1904. These machines as at present on the market and as described in the aforesaid application, comprise a suitable keyboard containing a set of keys 1, having levers 2 extending rearwardly in the machine and being operative effectively to set up numbers in a transversely movable car riage 3, through the operation in said car riage of the movable pins 4. Said carriage operates in a well known manner upon transverse rails 5. The type-carriers 6 and their racks 7 are suspended from the shaft 8 and after-the numbers have been set up in the carriage said racks and type-carriers are operable in connection with the parts 4 in the carriage to aline the necessary type 9 on the type-carriers adjacent to the platen or paper carriage 10. The numbers thus presented at the recording line are printed on the paper supported by the platen or paper carriage by the operation of the printing hammers 11, which are arranged in position to drive the interposed type against the platen or paper with suflicient force to make impressions thereon. The operation of the type-carriers and gear parts is controlled by the main or operating shaft 12,

having a lin 13 pivotally connected thereto at its front end and its rear end connected to the return device 14. Said return device includes two arms 15 swinging from the shaft 8, having a bar 16 at their lower ends extending in front of the vertical parts of the type-carriers and racks. Forward rotation of the shaft 12 will draw the link 13 forwardly which will carry the bar 16 away from the vertical portions of the type-carriers and racks and permit said type-carriers and racks to be actuated by their springs 17 to recording position as above described. Springs 18 are connected to arms 19 rigid with the shaft 12 andto some stationary part of the machine, whereby said shaft and the link 13, as well as the bar 16, will be returned to idle position after each operation. It is thus apparent that external or manual power is required only to operate the shaft 12 in one direction, and that all the parts are returned toward their idle or rest position at each operation by the springs 18.

Different devices for operating the adding and recording mechanisms of adding machines have heretofore been utilized, including hand-levers and electric motors, to both of which there are many objections h which I seek to overcome by the present invention.

A cylinder 20 is composed of two parts telescoped one within the other, and an end part 21 hermetically closing one end of the cylinder. A piston 22 is mounted within the cylinder thus constructed and is provided with a rod or link 23 extending through the open front end of the cylinder and connected with a rack 24, said rack operating under a grooved roller 25 supported by the frame of the machine. The rack 24 meshes with an eccentric or elliptical segment 26 rigid with the shaft 12 whereby operation of the piston will rotate said shaft. The rear portion of the segment 26 is at a greater distance from the shaft 12 than the front portion, whereby as the piston travels forwardly its lever connection with the shaft through the medium of the segment 26 is of increased length, thereby overcoming and compensating for the increased resistance offered by the springs 18 to the continued operation of the shaft.

A valve chamber 27 is attached to one side of the cylinder 20 and the air or liquidv power for operating the piston is admitted into said valve chamber through pipe connection 28 leading from any usual source of supply. The valve mounted in said valve chamber includes the part 29 and the part 30 between which the air or driving liquid is admitted. From the cylinder 20 a port 31 communicates with the valve chamber and an exhaust port 32 also opens into said valve chamber. A rod 33 is connected to the valve parts 29 and 30 and has its front end mounted in a guide 34. A collar 35 is attached to said rod 33 and constitutes an abutment for a spring 36 which encircles said rod. An arm 37 connected to the piston bar or rod 23 is provided with a hole through which the rod 33 extends. A ring 38 mounted loosely on the rod 33 in front of the spring 36 in idle position of the parts rests against the arm 37 and constitutes an abutment for the front end of said spring.

A collar 39 is attached near the front end of the rod 33 and constitutes an abutment for the front end of a spring 40 encircling said rod. A ring 41 is loosely mounted on said rod at the rear end of the spring 40 and constitutes a compression member by operation of which the spring may be compressed.

A latch pawl 42 pivoted to one of the frames of the machine is arranged to engage with the projection 43 on the collar 39when the valve is in its advanced position, closing the inlet port 31. Said valve is movable from the position shown in Fig. 2 in which it closes the inlet port, to a position to close the exhaust port 32. In the latter position the inlet port is open and the operating medium enters the cylinder 20 through the valve chamber and the port 31, thereby forcing the piston forwardly and operating the shaft 12 in opposition to the springs 18. A link 44 has its upper end pivoted to the pawl 42 and its lower end to a lever 45. The

stem of the key 46 mounted conveniently in the keyboard has its lower end pivoted to the lever 45 and constitutes means for manually releasing the pawl 42 from engagement with the collar 39. When the key 46 is depressed the pawl 42 being thereby disengaged from the collar 39, the spring 36 being under compression between the arm 37 and the collar 35, quickly moves the valve device to open the inlet port, thereby admitting the driving air or fluid into the cylinder. The piston is thereupon driven forwardly until the arm 37 is brought into contact with the ring 41. Continued movement of the piston compresses the spring 40. During this operation forward movement of the valve is prevented by a latch pawl 47 pivoted to one of the frames of the machine and arranged to engage against the front side of the collar 39 when the valve rod is in its rearward position. A link 48 connects the pawl 47 with a lever 49 pivoted near the base of the machine. An extension 50 on the segment 26 engages with a lever 49, and at the time the operating mechanism completes its forward stroke, operates said lever effectively to release the pawl 47 from its engagement with the collar 39. Thereupon the compressed spring 40 quickly moves the valve rod and valve to their advance positions, closing the inlet port 31 and opening the exhaust port 32. The springs 18 thereupon act to restore the entire mechanism to idle position without material resistance on the part of the driving mechanism. A spring 51 connecting the pawls 42 and 47 operates to engage said pawls with the collar 39 at the required time.

In idle position as shown in Fig. 2, in which the springs 18 are retracted, the piston 22 is at the closed end of the cylinder. Should it be necessary to operate the machine for adding or recording purposes, the key 46 will be depressed to release the pawl 42 from the valve rod. The compressed spring 36 thereupon moves said valve rod and the valve connected thereto effectively to open the inlet port 31 and close the exhaust outlet. The air or operating medium then passes freely and quickly into the cylinder driving the piston forwardly, and the latter through its entrained connection with the shaft 12 operates the latter and all parts controlled thereby. This permits the typecarriers and racks to operate to perform their usual function. Forward operation of the piston continues below the arm 37, compresses the spring 40 until the pawl 47 is released from its engagement with the valve rod. Thereupon the valve rod is moved by said spring 40 and immediately closes the inlet opening 31 and opens the exhaust. This relieves the pressure from the rear side of the piston and permits the springs 18 to retract and return all parts to their idle positions. The forward movement of the valve rod moves the projection 43 again to its use in connection with any distinct species of adding machine, and am aware that there may be various changes in the construction and arrangement of the parts without departure from the spirit and scope of the invention. I do not restrict myself to specific features, but

What I claim and desire to secure by Letters Patent is 1. In an adding machine, thecombination with a main shaft, and a yielding device connected to said shaft and arranged to restore said shaft and the motor to their idle positions after operation of the motor, of a fluid motor, a valve for admitting and'exhausting fluid pressure to and from said motor, a device for opening said valve to admit fluid pressure to said motor, a connection for actuating said shaft in one direction' by said motor in opposition to said yielding device, and means controlled by said shaft for operating said valveto exhaust said fluid'pressure from said motor and to enable said yielding device to restore said shaft and said motor to idle position.

2. In an adding machine, the combination with an operating shaft, and a power device for returning said shaft to idle position after operation of said shaft by the motor, of a fluid motor for driving said shaft in one direction effectively to store up power in said power device, a valve for admitting pressure to said motor at the'will of the operator, and a device controlled by said shaft for operating said valve to exhaust pressure from said motor and to enable said power device to restore said shaft to its starting point.

3. In an adding machine, a main or operating shaft, a piston, connections entraining said piston with said shaft, a passage for admitting pressure to said piston, a valve in said passage, means holding said valve in position to close said passage, means for releasing said valve, and a device controlled by said connections between said piston and said shaft for moving said valve to open said passage to admit pressure to said piston.

a. In an adding machine, a main or opcrating shaft, a piston, connections from said piston to said shaft, 'apassage for admitting pressure to said piston, a valve controlling said passage, an element holding said valve in position to close said passage,

- means for releasing said valve, and an actu ator for said valve controlled by said piston for moving said valve to open said passage when said valve is released.

5. In an adding machine, the combination of a main or operating shaft, a iston, connections from said piston to said shaft, an inlet passage for admitting pressure to said piston, a valve in said passage,means for holding said valve in position to close said passage, an exhaust passage from said piston, manual meansfor releasing said valve, and means controlled by saidconnections for moving said valve to position to open said inlet passage and to close said exhaust passage.

6. In an adding machine, a main or operating shaft, a piston, connections from said piston to said shaft, an inlet passage for admitting pressure to said piston, an outlet passage from said piston, a valve, an element holding said valve in position to close said inlet passage and to leave said outlet passage open, a manual device for releasing said element, and an actuator controlled by said connections for moving said valve to open said inlet passage and to close said outlet passage when said element is released as aforesaid.

7. In an adding machine, a main or operating shaft, a piston, connections from said piston to said shaft, an inlet passage for admitting pressure to said piston, an outlet passage from said piston, a valve arranged to move from one to the other of said passages effectively to open and to close said passages alternately, aneiement holding said valve in position to close said inlet passage, means for releasing said element, an actuator for moving said valve to open said inlet passage and to close said outlet passage effectively to admit pressure to said piston to move said piston, means controlled by said connections for moving said valve to position to close said inlet passage and to open said outlet passage, and a power device energized by the operation of said piston effectively to restore said shaft and said piston to their starting point.

8. In an adding machine, a main or operating shaft, a piston, connections from said piston to said shaft whereby movement of said piston in one direction will actuate said shaft and operation of said shaft in the opposite direction will restore said piston to its starting point, an inlet passage for admitting pressure to said piston, an outlet passage for exhausting the pressure from said piston, a valve, means operated by said piston for moving said valve to position to close said inlet passage and open said outlet passage, an element arranged to engage and-hold said valve in the position aforesaid, a power device energized by the operation of said shaft by said piston, and means for moving said valve to position to open said outlet passage and close said inlet passage and leave said power device free to return said shaft and said piston to their starting points.

9. In an adding machine, the combination with a rock shaft, a piston connected to said rock shaft, and a cylinder in which said piston is operatively mounted, of means for admitting aeriform pressure into sa1d cylinder effectively to cause said piston to rock said shaft in one direction, means under control of said rock shaft for releasing the aeriform pressure from the cylinder and leaving the shaft free to be returned by the separate actuator, and a separateactuator energized by the operation of said plston effectively to return said shaft and said p1ston to their starting points.

10. The combination with a rock shaft, and an actuator for rocking said shaft in one direction, of a piston connected to said shaft, a cylinder in which said piston 1s operatively mounted, means for admitting pressure into said cylinder to actuate sa d piston in one direction and to energlze sa1d actuator, and means under control of said rock shaft for releasing said pressure from said cylinder and to permit said actuator to actuate said shaft and said piston to idle position.

11. The combination with a rock shaft, and springs for rocking said shaft in one direction, of a piston connected to said shaft, a cylinder in which said cylinder is operatively mounted, means for admitting air pressure into said cylinder,to actuate said piston and said shaft in one direction effectively to tension said springs, a valve controlling the exhaust of air pressure from said cylinder, and means controlled-by said piston for actuating said valve to exhaust the pressure from said cylinder and enable said springs to actuate said shaft and said piston to their starting points.

12. The combination with a rock shaft, a piston connected to said'shaft, and a cylinder in which said piston is operatively mounted, of an inlet passage for admitting air pressure into said cylinder efl'ectively'to move said piston in one direction, a. valve for controlling said passage, an exhaust passage from said cylinder also controlled by said valve, a spring for actuating said valve to open said inlet passage, an additional spring for actuating said valve to open said exhaust passage, and'means under control of said piston determining when each of said springs shall actuate said valve.

13. The combination with a rock shaft,

' of the power stroke of said motor.

of a fluid motor entrained therewith, a valve controlling the admission and exhaust of 'position to admit air to said motor, and means operated by the motor for causing the other actuator to move said valve to position to exhaust the pressure from said motor.

14. The combination with an oscillating shaft, of a fluid motor adapted to oscillate said shaft in one direction, a valve for ad mitting pressure to said motor and exhausting pressure therefrom, a spring to actuate said valve to pressure admitting position, an additional spring to actuate said spring to exhausting position, a latch normally holding said valve in pressure-exhausting position, a device for releasing said latch, and means actuated by said shaft when said shaft is being actuated by said motor whereby said latch is reset to release pressurev from said motor at the limit of the power 4 stroke of said motor.

15. The combination with an oscillating shaft, of a fluid motor adapted to drive saidshaft in one-direction, a valve adapted to admit and exhaust pressure to and from said motor, a device for moving said valve to pressure admitting position, an additional device for moving said valve to exhausting position, a latch holding said valve against movement, means for releasing said latch, means for preventing said latch from being reset during the power stroke-of said motor, and-means actuated by said shaft for releasing said last named means and thereby permitting said latch to reset at the limit 16. The combination with an oscillating shaft, of a fluid motor comprising a cylinder, a piston in said cylinder operatively" connected with said shaft, a valve, a pressure supply passage between saidvalve and said cylinder for admitting fluid pressure on one side of said piston, a pressure exhaust passage between said valve and said cylinder for exhausting said fluid pressure, a fluid pressure supply pipe entering said 'valve, a device for moving said valve for connecting said fluid supply passage with the passage from said valve to said cylinder for admitting pressure, an additional device for mov-.

ing said valve to open said exhaust passage, a latch normally holding said valve against movement, and a device for releasing said latch, substantially as specified.

17. The combination with an oscillating shaft, of an actuator adapted to operate said shaft in one direction, a fluid motor fordrivtion with a rock-shaft,"of a motor, connections whereby the motor will rock said shaft in one direction, means controlling the operation of said motor, a device controlled by said shaft to stop movement of the shaft by the motor, and an actuator energized by said motor effectively to return said shaft and said motor to their starting points.

19. In an adding machine, the combination with a. rock-shaft, of a'motor, connections whereby the'motor will rock said shaft in one direction, means controlling the operation of said motor, a device controlled by said shaft to stop movement of the shaft by the motor, andan additional actuator energized by this operation effectively to return said shaft to idle position after said device has stopped movement of the shaft by said motor 20. In an adding machine, the combination with a rock-shaft, and an actuator for actuating said shaft in onedirection and holding, said shaft in idle position, of a motor, connections whereby operation of the motor will rock said shaft in opposition to said actuator and energize said actuator, and devices controlled by said shaft to stop. movement of said shaft by said motor and to enable said actuator to return said shaft to idle position.

21. In an adding machine, the combination with a rock shaft, and an actuator arranged to rock said shaft in one direction and hold said shaft inidle position, of a motor operative to rock said shaft in opposition to said actuator and to energize said actuator, a manipulative device determining when said motor will rock said shaft, and a. device controlled by said shaft to shut off power from said motor and to enable said' actuator to return said shaft and said motor to idle position.

22. In an adding machine, the combination-With a rock-shaft, a motor operative to rock said shaft in one direction, a device determining when said motor will operate,

optionally operable connections for 'control-" ling said device to enable said motor to operate and to rock said shaft, means controlled by said shaft for causing said device to stop the motor, and an actuator energized by said motor to return said shaft to idle position.

23. In an adding machine, the combination with a shaft, a motor arranged to rock said shaft in one direction, a device movable to one position to enable said motor to operate and to another position to cause said motor to stop, and means on said rock-shaft for controlling said device to stop the motor,

of means energized by the aforesaid operation of said motor effectively to return said rock-shaft to idle position.

24. In an adding machine the combination of a shaft, a cylinder, an inlet passage to said cylinder, a passage from said cylinder, a valve movable from one to the other of said-passages to admit an exhaust pressure from said cylinder alternately, a piston in said cylinder, connections whereby'said piston when actuated by pressure in said cylinder will rock-said shaft, an actuator for moving said valve toposition to close said inlet passage, "means controlled by the piston for causing said actuator to move said valve to close said inlet passage while said piston is being operated bythe pressure within said cylinder, an' independent actuator for returning said piston to its starting point in said cylinder,-and an actuator energized by the return of the piston for moving the valve to open said inlet passage and to close said exhaust passage.

In testimony whereof, I hereunto afiix my signature to this specification this 20th day of July, 1909, in the presence of two witn sses, 1 Y

, JOSEPH RABER. [n s.] I Witnesses: 1

I B. ,C. HARRISON, L. K. SEAGRAVE, Jr.

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