US2252469A - Letter-stamping machine - Google Patents

Letter-stamping machine Download PDF

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Publication number
US2252469A
US2252469A US339995A US33999540A US2252469A US 2252469 A US2252469 A US 2252469A US 339995 A US339995 A US 339995A US 33999540 A US33999540 A US 33999540A US 2252469 A US2252469 A US 2252469A
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United States
Prior art keywords
letters
carriage
wheel
chain
arrangement
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Expired - Lifetime
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US339995A
Inventor
Nyberg Ernst Vilhelm
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Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00Supports or magazines for piles from which articles are to be separated
    • B65H1/02Supports or magazines for piles from which articles are to be separated adapted to support articles on edge
    • B65H1/025Supports or magazines for piles from which articles are to be separated adapted to support articles on edge with controlled positively-acting mechanical devices for advancing the pile to present the articles to the separating device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/10Handled articles or webs
    • B65H2701/19Specific article or web
    • B65H2701/1916Envelopes and articles of mail

Definitions

  • the present invention relates to machines for letter-stamping of the kind in which a bundle of letters or postcards by means of a transport arrangement is moved against rotating rollers or the like which perform the further transport of the separate letters to a stamping arrangement.
  • the object of the invention is to obtain an uncomplicated controlling arrangement in connection with the transport arrangement which firstly automatically starts the transport arrangement when letters are placed in same, and secondly stops it immediately and returns it to the starting position as soon as all letters are despatched to the stamping arrangement. According to the invention this is made possible by the fact that the transport arrangement is provided with a lever against which the letters are placed which lever is so arranged that it firstly by the pressure on the lever caused by the bundle of letters acts upon a driving mechanism which starts the transport arrangement,
  • Fig. 1 is a side view of a transport arrangement for letters with belonging driving mechanism.
  • Fig. 2 shows a detail of the transport arrangement, seen from above.
  • On the drawing 24 is the upper part of a transport arrangement or carriage. Against the right, perpendicular, place surface of this carriage the letter-bundle is placed, so that for example the stamped side of the letters is placed against this surface. The lower edge of the letters will thereby rest against a plane horizontal surface 3
  • the letters are during the transport guided laterally by a wall 32.
  • the carriage which pushes the letters, is guided firstly by a flute 33 in the before-mentioned plane surface 3
  • a bundle of letters is placed against the right edge 24 of the carriage, the bundle of letters will press against the upper part ID of a lever made to turn around a shaft M.
  • This shaft is placed in the removable part 24 of the carriage.
  • the upper part of the lever is turned to of the letters which causes the lower part of the the left on account of the pressure lever to turn to the right. This latter part operates thereby another small lever
  • 2 which is arranged normally to be held in the position shown on the drawing by means of a spring 34, is arranged to prevent a pawl or locking device I3 to be brought against a toothed wheel I4 placed in the lower part of the carriage. Both the small levers I2 and I3 are also placed in the lower part of the carriage. When the lever
  • the speed of the carriage will be fixed by the speed by which the rollers 25, 26 together with the rollers 21, 28 despatch the letters to the stamping arrangement.
  • the chain I8 is arranged to be driven over a friction coupling of known kind not shown.
  • the lever N influences the toothed wheel M by means of two pawls or levers.
  • Such a double pawl arrangement makes it possible that the upper part 24 of the carriage together with the lever I0 can be lifted and removed without the wheel I4 being pawled. Further the pawl I3 pawls the wheel over a cog-wheel
  • gearing between the cog-wheels makes it possible that the pressure on the pawl I3 is reduced, thereby preventing it from being held by the toothed wheel I 4.
  • a carriage for example a carriage, is provided with a lever I0 against which the bundle of lettersis placed, which lever is so arranged, that it firstly by the pressure on the lever caused by the bundle of letters acts upon a driving mechanism H! which starts the transport arrangement, and secondly 20 as soon as the pressure from the bundle of letters ceases, disconnects the transport arrangement, whereby this is brought back to the-starting position.
  • a driving mechanism [8 is a chain constantly driven over a friction coupling.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sorting Of Articles (AREA)

Description

1941. E. v. NYBERG 2,252,469
I LETTER-STAMPING MACHINE Filed June 11, 1940 Fig.2
Patented Aug. 12, 1941 UNITED TES LETTER-STAMPING MACHINE Ernst Vilhelm Nyberg, Stockholm, Sweden, as signor to Telefonaktiebolaget L. M. Ericsson, Stockholm, Sweden, 2. company of Sweden ApplicationJune 11, 1940, Serial No. 339,995
In Sweden July 6, 1939 4 Claims.
The present invention relates to machines for letter-stamping of the kind in which a bundle of letters or postcards by means of a transport arrangement is moved against rotating rollers or the like which perform the further transport of the separate letters to a stamping arrangement. The object of the invention is to obtain an uncomplicated controlling arrangement in connection with the transport arrangement which firstly automatically starts the transport arrangement when letters are placed in same, and secondly stops it immediately and returns it to the starting position as soon as all letters are despatched to the stamping arrangement. According to the invention this is made possible by the fact that the transport arrangement is provided with a lever against which the letters are placed which lever is so arranged that it firstly by the pressure on the lever caused by the bundle of letters acts upon a driving mechanism which starts the transport arrangement,
and secondly as soon as the pressure from the letters ceases, stops the transport arrangement and brings it back to the starting position.
The invention will now be further explained and reference is made to the drawing enclosed which illustrates an example of the use of the invention in a letter-stamping machine. Fig. 1 is a side view of a transport arrangement for letters with belonging driving mechanism. Fig. 2 shows a detail of the transport arrangement, seen from above. On the drawing 24 is the upper part of a transport arrangement or carriage. Against the right, perpendicular, place surface of this carriage the letter-bundle is placed, so that for example the stamped side of the letters is placed against this surface. The lower edge of the letters will thereby rest against a plane horizontal surface 3|, along which the upper part of the carriage is arranged to be able to glide in the direction of two rotating rollers 25, 26. The letters are during the transport guided laterally by a wall 32. The carriage, which pushes the letters, is guided firstly by a flute 33 in the before-mentioned plane surface 3|, and secondly by its lower part 2| which by means of a wheel 22 by the movement of the carriage moves along a rail 23. When a bundle of letters is placed against the right edge 24 of the carriage, the bundle of letters will press against the upper part ID of a lever made to turn around a shaft M. This shaft is placed in the removable part 24 of the carriage. The upper part of the lever is turned to of the letters which causes the lower part of the the left on account of the pressure lever to turn to the right. This latter part operates thereby another small lever |2 which is bent downwards. The arm |2, which is arranged normally to be held in the position shown on the drawing by means of a spring 34, is arranged to prevent a pawl or locking device I3 to be brought against a toothed wheel I4 placed in the lower part of the carriage. Both the small levers I2 and I3 are also placed in the lower part of the carriage. When the lever |2 no longer stops the pawl l3, this will be brought against the toothed wheel l4 and pawl this under the influence of the power from a spring 35.
When the toothed wheel I4 is pawled, the carriage 2|, 24 will be coupled to the upper part of a chain "3, which is permanently driven by a chain wheel 20 on a worm gear over another chain wheel I9. The coupling of the carriage 24 to the chain l8 takes place over a chain wheel El arranged in the back part of the carriage 2|, which constantly gear into the chain l8. This chain wheel I! is coupled to the toothed wheel l4 over two cog-wheels l6, l5. When the latter Wheel I4 is not pawled, the wheels l1, l6, l5, l4 rotate driven by the chain, and the carriage 2|, 24 stands still. As soon as the toothed wheel I4 is pawled, the wheel I1 is held which causes that the wheel l1 and thereby also the carriage 2|, 24 together with the letters are brought against the rubber-covered rollers 25, 26. In the moment when all letters have been despatched by these rollers, the pressure of the letter against the arm ||l ceases, whereby the arms l2 and I3 on account of the power of the spring return to the position shown on the drawing. When the pawl of the toothed wheel l4 ceases, the wheel can turn freely. Thereby a spring 29 returns the carriage 2|, 24 to the starting position shown on the drawing.
As soon as a bundle of letters has been placed in the carriage against the arm ID, the speed of the carriage will be fixed by the speed by which the rollers 25, 26 together with the rollers 21, 28 despatch the letters to the stamping arrangement. To make this possible the chain I8 is arranged to be driven over a friction coupling of known kind not shown.
By the mentioned embodiment the lever N influences the toothed wheel M by means of two pawls or levers. Such a double pawl arrangement makes it possible that the upper part 24 of the carriage together with the lever I0 can be lifted and removed without the wheel I4 being pawled. Further the pawl I3 pawls the wheel over a cog-wheel |5, l6 and not directly. The
gearing between the cog-wheels makes it possible that the pressure on the pawl I3 is reduced, thereby preventing it from being held by the toothed wheel I 4.
Having now particularly described and ascertained the nature of my said invention and in What manner the same is to be performed, I declare that what I claim is:
1. Arrangement for letter-stamping machines in which a bundle of letters by means of a transport arrangement is brought against rotating rollers which perform the further despatch of the letters to a stamping arrangement, characterized in that the transport arrangement 24,
for example a carriage, is provided with a lever I0 against which the bundle of lettersis placed, which lever is so arranged, that it firstly by the pressure on the lever caused by the bundle of letters acts upon a driving mechanism H! which starts the transport arrangement, and secondly 20 as soon as the pressure from the bundle of letters ceases, disconnects the transport arrangement, whereby this is brought back to the-starting position.
2. Arrangement according to claim 1, characterized in that a driving mechanism [8 is a chain constantly driven over a friction coupling.
3. Arrangment according to claim 1, characterized in that the driving mechanism I 8 is in the form of a chain constantly driven over a friction coupling and in that the transport arrangement is provided with a chain wheel I! which constantly gears into the chain I 8 and which is arranged to be pawled by means of the lever I0, whereby the transport arrangement is brought with the chain.
4. Arrangement according to claim 1, characterized in that the driving mechanism [8 is in the form of a chain constantly driven over a friction coupling and in that the transport arrangement is provided with a wheel chain H which constantly gears into the chain I8 and is
US339995A 1939-07-06 1940-06-11 Letter-stamping machine Expired - Lifetime US2252469A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573324A (en) * 1946-03-29 1951-10-30 Jl Ferguson Co Automatic carton feeder
US2612085A (en) * 1948-09-22 1952-09-30 Richard C Merry Apparatus for assembling partitions for packing cells
US3032339A (en) * 1958-11-07 1962-05-01 Burroughs Corp Sheet stack advance mechanism
US3048394A (en) * 1959-09-04 1962-08-07 Burroughs Corp Sheet feeding system
US3073460A (en) * 1959-03-02 1963-01-15 Int Standard Electric Corp Equipment for continually charging an edgewise conveying system
US3854613A (en) * 1973-08-03 1974-12-17 Recognition Equipment Inc Batch to continuous flow mail handling
US3994389A (en) * 1973-08-17 1976-11-30 Recognition Equipment Incorporated Mail stack feed control
US4098395A (en) * 1975-06-26 1978-07-04 Carl Fritjof Stanley Olsson Feeding device especially for pulp bales
US4635428A (en) * 1984-10-12 1987-01-13 Fuji Photo Film Co., Ltd. Flattened cardboard box supplying apparatus

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573324A (en) * 1946-03-29 1951-10-30 Jl Ferguson Co Automatic carton feeder
US2612085A (en) * 1948-09-22 1952-09-30 Richard C Merry Apparatus for assembling partitions for packing cells
US3032339A (en) * 1958-11-07 1962-05-01 Burroughs Corp Sheet stack advance mechanism
US3073460A (en) * 1959-03-02 1963-01-15 Int Standard Electric Corp Equipment for continually charging an edgewise conveying system
US3048394A (en) * 1959-09-04 1962-08-07 Burroughs Corp Sheet feeding system
US3854613A (en) * 1973-08-03 1974-12-17 Recognition Equipment Inc Batch to continuous flow mail handling
US3994389A (en) * 1973-08-17 1976-11-30 Recognition Equipment Incorporated Mail stack feed control
US4098395A (en) * 1975-06-26 1978-07-04 Carl Fritjof Stanley Olsson Feeding device especially for pulp bales
US4635428A (en) * 1984-10-12 1987-01-13 Fuji Photo Film Co., Ltd. Flattened cardboard box supplying apparatus

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