US2128098A - Automatic inking machine for typewriter ribbons and the like, with uninked portions - Google Patents

Automatic inking machine for typewriter ribbons and the like, with uninked portions Download PDF

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US2128098A
US2128098A US50112A US5011235A US2128098A US 2128098 A US2128098 A US 2128098A US 50112 A US50112 A US 50112A US 5011235 A US5011235 A US 5011235A US 2128098 A US2128098 A US 2128098A
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inking
ribbon
portions
ribbons
uninked
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Mannine Philip
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J31/00Ink ribbons; Renovating or testing ink ribbons
    • B41J31/14Renovating or testing ink ribbons

Definitions

  • This invention relates to new and useful imand Ill held in fixed positions by a plurality of provements in an automatic inking machine for transverse members hereinafter further detypewriter ribbons and the like, with uninked scribed.
  • An inking device is mounted upon said portions, treated portions or both. body and includes superimposed inking members
  • the invention has for an object the construcll' and li -A pair of superimposed endless tion of a device as mentioned which is charactercarriers l2 and I2?
  • a ribbon inking device including superbody and are equipped with protection strips imposed inking members, and a pair of super- I3 adapted to be periodically engaged against imposed endless carriers equipped with protection the top and bottom sides of said ribbon web strips adapted to be periodically engaged against and protect portions thereof from receiving ink.
  • a ribbon inking device including superbody and are equipped with protection strips imposed inking members, and a pair of super- I3 adapted to be periodically engaged against imposed endless carriers equipped with protection the top and bottom sides of said ribbon web strips adapted to be periodically engaged against and protect portions thereof from receiving ink.
  • the top and bottom sides of a ribbon or ribbons A means is synchronized with said protection guided and drawn between said inking members. strips for applying shellac or other protective ma-
  • the invention contemplates theterial on all or part of said uninked portions of association of means synchronized with said prothe web.
  • the ribbon inking device consists of a plurality 15 tection materials on all or a portion of each of of rollers contacting with each'otlier for transsaid uninked portions of said ribbons.
  • a further object of the invention is the prowithin said body.
  • the rollers of the inking device vision of a winding mechanism for winding up are connected with each other by a train of meshthe inked ribbons, and a driving mechanism for ing gears l5 upon the shafts of the rollers.
  • Fig. 1 is a horizontal sectional view of a device
  • the shaft 24 is driven with a slip pull con- 1O constructed according to this invention, this ,view traption.
  • a pulley 30 upon the shaft 24 being taken on the line i! of Fig. 2.
  • I which is engaged by a belt 3! which canslip when Fig. 2 is a sectional view taken on the line @2-3-2 necessary.
  • This belt 31 engages over the pulley' of Fig. 1. 32 of an electric motor 33.
  • Iig. 3 is a sectional view taken on the line
  • the endless carriers comprise a plurality of 3-4 of Fig. 1.
  • transverse shafts 34 and 34' equipped with Fig, 4 is a perspective view of the member sprockets 35 and 35' located near the side walls 1 for controlling the operative size of the shellac of the body "and engaged by endless chains 36. applying element.
  • the top carrier has two of said endless chains 36,
  • '50 Fig. 5 is an'elevational view of the shellac anand the bottom carrier is similarly constructed.
  • the chains also pass between grooved guiding portions upon the ends of the rollers II and At regular intervals there are said protection strips which are mounted between the chains of the carriers. These protection strips are capable of passing between the rollers H and li for protecting portions of the ribbons from being inked.
  • the rollers ll and ll may be of a soft material to allow the protection strips l3 to pass between them.
  • the roller H has the conventional rectangular bearing housing which permits the bearing to slide and separate from roller l I as the protection strips l3 pass between them.
  • the carriers are driven in unison by a chain 45 mounted between sprockets 46 on the shafts 34'. These shafts are driven positively with a slip forward arrangement.
  • the arrangement is such that the motor 41 may rotate the sprocket 35' and hence the carriers. Should it so be required, the carriers may move faster than the driving action of the motor by a relative movement of the ratchet 50 and the sprocket A9.
  • the means for applying the shellac or other protective materials on all or portions of the uninked portions of the ribbons consists of a receptacle 52 for liquid shellac or other material, into which dabbing elements 53 engage. These dabbing elements have arcuate sides adapted to engage the ribbons and cut out sides which do not reach the ribbons. This permits the dabbing elements to assume inoperative positions.
  • the dabbing elements 53 are removably fixed upon a shaft 54 which is rotative between the walls of the body.
  • a beveled gear 55 is mounted upon one end of the shaft 54 and meshes with a gear 56 from a reduction system of gears within a reduction unit 51.
  • This reduction unit is driven by electric motor 58 which is mounted upon the body of the device.
  • the motor 58 is controlled by a switch including a stationary contact 59 and a movable contact 60.
  • This movable contact is fixed upon a stem 6
  • An adjustable tail 62 is mounted upon the stem 6i and is in the path of motion of the protection strips B or a suitable projection on chain 36, by which the switch is operated.
  • a spring 63 is mounted upon the stem BI and is connected between the tail 62 and the wall lo for normally holding the movable contact 60 in an open position. The circuit is only closed when the tail 62 is moved and held by a passing protective strip I3.
  • a transverse sp'lash guard 64 is mounted between the sidewalls of the body immediately behind the dabbing elements 53.
  • An electric. heater 65 is'mounted upon the bottom of the receptacle 52 by which its contents may be kept soft and mobile.
  • a transverse guiding rod 66 is located immediately above the dabbing elements 53 and is urged downwards by springs 61 to a neutral position. This guiding element 66 is slidable in vertical slots 68 in the side walls of the body.
  • the protection strips l3 have removable strip sections [3' by which their operative widths may be changed. Thusthe lengths of uninked portions may be controlled.
  • cover pieces 53' for the dabbers are provided. These cover pieces may be slipped on or taken off from the dabbers to change the sizes thereof. These covers 53 have edges 53 which are adapted to frictionally engage the dabbers. In Fig. 5, one of the covers 53 is shown mounted upon a dabber 53. The thickness of the dabber is such as to compensate for the removable sections of the protection strips.
  • the dabbing elements 53 may be removed from the flange 56' of shaft 54, by lifting the free end of a retaining spring 53.
  • the other end of this spring is secured to the back of the dabbing elements 53.
  • the dabbing element is also provided with a counterweight portion 53 to keep the dabber in normal starting position and may be replaced by other dabbing elements of different peripheral lengths so as to regulate the lengths of the ribbon to be treated.
  • These counterweight portions 53 are formed of a heavy substance and provide a sufficient weight to make the, armature of the motor 58 turn to a proper position while the motor is in the idle position.
  • the motor 33 draws the ribbon upon the rolls 23 and at the same time draws the interleaving strips 26 between the turns of the rolls.
  • the webs of ribbons receive ink from the inking members II and .ll
  • the protection strips i3 from the carriers will engage against the top and bottom sides of the ribbon webs and pass between the inking members II and ii", and so shield portions of the ribbon from receiving ink.
  • the endless carriers are operated in unison by the motor 41.
  • the circuit is thus closed through the electric motorwhich functions to lift or rotate the dabbers 53 to apply shellac upon the uninked portions.
  • the machine is so designed that the switch 59, 60, will be held closed the correct period of time because the switch 59, 60, cannot be opened until the protection strips l3 come in contact and pivot the adjustable tall 62 down causing the contact 60 to move up and close the switch which starts the motor 58.
  • the guide rod 66 will maintain contact between the ribbons and the dabbing elements within slight changes of sizes of the dabbing elements due to the engagement and removal of the covers 53.
  • the inking machine or parts thereof may be of any suitable size, shape and proportion and built for inking either one or more ribbons of any color, of the usual standard width or for inking of a wide ribbon which may be cut into a number of standard widths after the inking is applied.
  • one single motor may be arranged to supply the motive power for the machine.
  • a device of the class described comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members, a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions thereof from receiving ink.
  • a device of the class described comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members, a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions thereof from receiving ink, and means synchronized with said protection strips for applying shellac or other protection material on all or part of said uninked portions of said web.
  • a device of the class described comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members, a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions thereof from receiving ink.
  • said inking device having an ink receptacle for supplying ink, and a plurality of transferring rollers.
  • a device of the class described comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members, a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions thereof from receiving ink, said inking-device having an ink receptacle for supplying ink, and a plurality of transferring rollers, and means for rotating said rollers.
  • a device of the class described comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members, a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions'thereof from receiving ink, said guiding and drawing means comprising transverse guiding bars, and rolls for receiving the web, and means for rotating said rolls.
  • a device of the class described comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members. a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions thereof from receiving ink, said guiding and drawing means comprising transverse guiding bars, and rolls for receiving the web, and means for rotating said rolls, including a belt which may slip.
  • a device of the class described comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members, a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions thereof from receiving ink, and means synchronized with said protection strips for applying shellac or other protection material on all or a part of each of said uninked portions of said web, comprising a reservoir for shellac or material, dabbing elements engaging in said reservoir and engageable against said ribbons, means for operating said dabbing elements, and an electric switch controlled by said protection strips for controlling the operating means of said dabbers.
  • a device of the class described comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members, a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions thereof from receiving ink, and means synchronized with said protection strips for applying shellac or other protection material on said uninked portions of said web, comprising a reservoir for shellac or material, dabbing elements engaging in said reservoir and engageable against said ribbons, means for operating said dabbing elements, and an electric switch controlled by said protection strips for controlling the operating means of said dabbers, said protection strips having removable end sections for changing the lengths of uninked portions of the ribbons.
  • a device of the class described comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members, a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions thereof from receiving ink, and
  • protection strips means synchronized with said protection strips for applying shellac or other protection material on said uninked portions of said web, comprising a reservoir for shellac or material, dabbing elements engaging in said reservoir and engageable against said ribbons, means for operating said dabbing elements, and an electric switch controlled by said protection strips for controlling the operating means of said dabbers, said protection strips having removable end sections for changing the lengths of uninked portions of the ribbons, and said dabbers being provided with removable covers for changing their sizes to coact with a change in their operative sizes of the protection strips.

Description

Patented Aug. 23, 1938 UNITED STATES PATENT OFFICE AUTOMATIC INKING MACHINE F B TYPE- WBITER RIBEONS AND THE WITH UNINKED roa'rIoNs Philip Mannino, new York N. Y. Application November 16, 1935, Serial No. 50,112
' 9 Claims. (Chill-18) This invention relates to new and useful imand Ill held in fixed positions by a plurality of provements in an automatic inking machine for transverse members hereinafter further detypewriter ribbons and the like, with uninked scribed. An inking device is mounted upon said portions, treated portions or both. body and includes superimposed inking members The invention has for an object the construcll' and li -A pair of superimposed endless tion of a device as mentioned which is charactercarriers l2 and I2? are also mounted on said ized by a ribbon inking device including superbody and are equipped with protection strips imposed inking members, and a pair of super- I3 adapted to be periodically engaged against imposed endless carriers equipped with protection the top and bottom sides of said ribbon web strips adapted to be periodically engaged against and protect portions thereof from receiving ink. 10 the top and bottom sides of a ribbon or ribbons A means is synchronized with said protection guided and drawn between said inking members. strips for applying shellac or other protective ma- Furthermore the invention contemplates theterial on all or part of said uninked portions of association of means synchronized with said prothe web.
tection strips for applying shellac or other pro- The ribbon inking device consists of a plurality 15 tection materials on all or a portion of each of of rollers contacting with each'otlier for transsaid uninked portions of said ribbons. ferring ink from an ink reservoir l4 mounted A further object of the invention is the prowithin said body. The rollers of the inking device vision of a winding mechanism for winding up are connected with each other by a train of meshthe inked ribbons, and a driving mechanism for ing gears l5 upon the shafts of the rollers. 20 the endless carriers arranged with a slip mecha- A motor I6 is mounted upon the body and nism, so that the endless carriers may at any drives one of the rollers to cause all of the rollers time, operate at the same speed as the winding to rotate. A plurality of webs of material ll", mechanism. il and I! are guided between the inking mem- It is a further object of this invention to make bers II and ll to receive ink therefrom. These 25 provision for adjusting the operative sizes of the webs extend over guiding elements it and I9 inking members and the shellac applying means. which are in the form of bars transversely Still further the invention contemplates the mounted between the sidewalls of the body. The construction of a device as mentioned which is webs are drawn from rolls 20 mounted upon a 0 simple and durable and which may be sold and shaft 2i which is engaged into slots 22 in the manufactured at a reasonable cost. body, so that it may be readily removed. The
For further comprehension of the invention; webs are drawn upon rolls 23 mountedupona and of the objects and advantages thereof, refershaft 24 supported through slots 25 in the side ence will be had to the following description and walls of the body, so as to be rotative. Protection accompanying drawing and to the appended interleaving strips 26 are'drawn from rolls 21 5 claims in which the various novel features of upon a transverse shaft 28 supported in slots the invention are more particularly set forth. 29 formed in the side walls of the body. These In the accompanying drawing forming a mainterleaving strips serve to hold the turns of the terial part of this disclosure;- inked ribbon separated.
Fig. 1 is a horizontal sectional view of a device The shaft 24 is driven with a slip pull con- 1O constructed according to this invention, this ,view traption. There is a pulley 30 upon the shaft 24 being taken on the line i! of Fig. 2. I which is engaged by a belt 3! which canslip when Fig. 2 is a sectional view taken on the line @2-3-2 necessary. This belt 31 engages over the pulley' of Fig. 1. 32 of an electric motor 33.
5 Iig. 3 is a sectional view taken on the line The endless carriers comprise a plurality of 3-4 of Fig. 1. transverse shafts 34 and 34' equipped with Fig, 4 is a perspective view of the member sprockets 35 and 35' located near the side walls 1 for controlling the operative size of the shellac of the body "and engaged by endless chains 36. applying element. The top carrier has two of said endless chains 36,
'50 Fig. 5 is an'elevational view of the shellac anand the bottom carrier is similarly constructed.
plyin el m n wi h th m m r shown in Fig. 4 The adjacent portions of the chains 35, namely. applied. the portions 36' are held in parallelism by trans- The automatic inking machine for typewriter verse bars 38 and 38. The bar 39 is also equipped ribbons and the like with uninked portions inwith tension elements '40 engaging one side of the cludes a body having side wallsor frame In ribbons. The tension elements 4. engage the 55 lower surface of the ribbons and press the ribbons against the bar 38 and cause suflicient tension to prevent the ribbons from becoming slack between the rollers II and I I b and the daubing elements 53. The chains also pass between grooved guiding portions upon the ends of the rollers II and At regular intervals there are said protection strips which are mounted between the chains of the carriers. These protection strips are capable of passing between the rollers H and li for protecting portions of the ribbons from being inked. The rollers ll and ll may be of a soft material to allow the protection strips l3 to pass between them. The roller H has the conventional rectangular bearing housing which permits the bearing to slide and separate from roller l I as the protection strips l3 pass between them.
The carriers are driven in unison by a chain 45 mounted between sprockets 46 on the shafts 34'. These shafts are driven positively with a slip forward arrangement. There is anelectric motor 41 mounted upon the body and is equipped with the usual speed reducing attachment and having a shaft 48 with a sprocket 49 which is engaged by a one way ratchet 50 mounted upon the side of the lower sprocket 35. The arrangement is such that the motor 41 may rotate the sprocket 35' and hence the carriers. Should it so be required, the carriers may move faster than the driving action of the motor by a relative movement of the ratchet 50 and the sprocket A9.
The means for applying the shellac or other protective materials on all or portions of the uninked portions of the ribbons consists of a receptacle 52 for liquid shellac or other material, into which dabbing elements 53 engage. These dabbing elements have arcuate sides adapted to engage the ribbons and cut out sides which do not reach the ribbons. This permits the dabbing elements to assume inoperative positions. The dabbing elements 53 are removably fixed upon a shaft 54 which is rotative between the walls of the body. A beveled gear 55 is mounted upon one end of the shaft 54 and meshes with a gear 56 from a reduction system of gears within a reduction unit 51. This reduction unit is driven by electric motor 58 which is mounted upon the body of the device. The motor 58 is controlled by a switch including a stationary contact 59 and a movable contact 60.
This movable contact is fixed upon a stem 6|- which is swiveled in the wall l6.
An adjustable tail 62 is mounted upon the stem 6i and is in the path of motion of the protection strips B or a suitable projection on chain 36, by which the switch is operated. A spring 63 is mounted upon the stem BI and is connected between the tail 62 and the wall lo for normally holding the movable contact 60 in an open position. The circuit is only closed when the tail 62 is moved and held by a passing protective strip I3.
A transverse sp'lash guard 64 is mounted between the sidewalls of the body immediately behind the dabbing elements 53. An electric. heater 65 is'mounted upon the bottom of the receptacle 52 by which its contents may be kept soft and mobile. A transverse guiding rod 66 is located immediately above the dabbing elements 53 and is urged downwards by springs 61 to a neutral position. This guiding element 66 is slidable in vertical slots 68 in the side walls of the body.
The protection strips l3 have removable strip sections [3' by which their operative widths may be changed. Thusthe lengths of uninked portions may be controlled. In order to correctly shellac the uninked portions of the ribbons, cover pieces 53' for the dabbers are provided. These cover pieces may be slipped on or taken off from the dabbers to change the sizes thereof. These covers 53 have edges 53 which are adapted to frictionally engage the dabbers. In Fig. 5, one of the covers 53 is shown mounted upon a dabber 53. The thickness of the dabber is such as to compensate for the removable sections of the protection strips. The dabbing elements 53 may be removed from the flange 56' of shaft 54, by lifting the free end of a retaining spring 53. The other end of this spring is secured to the back of the dabbing elements 53. The dabbing element is also provided with a counterweight portion 53 to keep the dabber in normal starting position and may be replaced by other dabbing elements of different peripheral lengths so as to regulate the lengths of the ribbon to be treated. These counterweight portions 53 are formed of a heavy substance and provide a sufficient weight to make the, armature of the motor 58 turn to a proper position while the motor is in the idle position.
The operation of the device is as follows:-
The motor 33 draws the ribbon upon the rolls 23 and at the same time draws the interleaving strips 26 between the turns of the rolls. The webs of ribbons receive ink from the inking members II and .ll
Periodically the protection strips i3 from the carriers will engage against the top and bottom sides of the ribbon webs and pass between the inking members II and ii", and so shield portions of the ribbon from receiving ink. The endless carriers are operated in unison by the motor 41.
The protection strips l3 after passing between the rollers H and ll proceed along and engage the tail 62 of the switch 59, 60. The circuit is thus closed through the electric motorwhich functions to lift or rotate the dabbers 53 to apply shellac upon the uninked portions. The machine is so designed that the switch 59, 60, will be held closed the correct period of time because the switch 59, 60, cannot be opened until the protection strips l3 come in contact and pivot the adjustable tall 62 down causing the contact 60 to move up and close the switch which starts the motor 58. The guide rod 66 will maintain contact between the ribbons and the dabbing elements within slight changes of sizes of the dabbing elements due to the engagement and removal of the covers 53.
It is to be understood that the inking machine or parts thereof may be of any suitable size, shape and proportion and built for inking either one or more ribbons of any color, of the usual standard width or for inking of a wide ribbon which may be cut into a number of standard widths after the inking is applied. Instead of separate motors, one single motor may be arranged to supply the motive power for the machine.
While I have illustrated and described the preferred embodiment of my invention, it is to be understood that I do not limit myself to the precise construction herein disclosed and the right is reserved to all changes and modifications coming within the scope of the invention as delined in the appended claims.
Having thus described my invention, what I claim as new, and desire to secure by United States Letters Patent is:-
1. A device of the class described, comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members, a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions thereof from receiving ink.
2. A device of the class described, comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members, a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions thereof from receiving ink, and means synchronized with said protection strips for applying shellac or other protection material on all or part of said uninked portions of said web.
3. A device of the class described, comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members, a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions thereof from receiving ink. said inking device having an ink receptacle for supplying ink, and a plurality of transferring rollers.
4. A device of the class described, comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members, a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions thereof from receiving ink, said inking-device having an ink receptacle for supplying ink, and a plurality of transferring rollers, and means for rotating said rollers.
5. A device of the class described, comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members, a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions'thereof from receiving ink, said guiding and drawing means comprising transverse guiding bars, and rolls for receiving the web, and means for rotating said rolls.
6. A device of the class described, comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members. a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions thereof from receiving ink, said guiding and drawing means comprising transverse guiding bars, and rolls for receiving the web, and means for rotating said rolls, including a belt which may slip.
7. A device of the class described, comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members, a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions thereof from receiving ink, and means synchronized with said protection strips for applying shellac or other protection material on all or a part of each of said uninked portions of said web, comprising a reservoir for shellac or material, dabbing elements engaging in said reservoir and engageable against said ribbons, means for operating said dabbing elements, and an electric switch controlled by said protection strips for controlling the operating means of said dabbers.
8. A device of the class described, comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members, a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions thereof from receiving ink, and means synchronized with said protection strips for applying shellac or other protection material on said uninked portions of said web, comprising a reservoir for shellac or material, dabbing elements engaging in said reservoir and engageable against said ribbons, means for operating said dabbing elements, and an electric switch controlled by said protection strips for controlling the operating means of said dabbers, said protection strips having removable end sections for changing the lengths of uninked portions of the ribbons.
9. A device of the class described, comprising a body, a ribbon inking device thereon and including superimposed inking members, means for guiding and drawing ribbon webs between said inking members, a pair of superimposed endless carriers on said body and equipped with protection strips adapted to periodically engage against the top and bottom sides of said ribbon web and protect portions thereof from receiving ink, and
means synchronized with said protection strips for applying shellac or other protection material on said uninked portions of said web, comprising a reservoir for shellac or material, dabbing elements engaging in said reservoir and engageable against said ribbons, means for operating said dabbing elements, and an electric switch controlled by said protection strips for controlling the operating means of said dabbers, said protection strips having removable end sections for changing the lengths of uninked portions of the ribbons, and said dabbers being provided with removable covers for changing their sizes to coact with a change in their operative sizes of the protection strips.
PHILIP MANNING.
US50112A 1935-11-16 1935-11-16 Automatic inking machine for typewriter ribbons and the like, with uninked portions Expired - Lifetime US2128098A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5251989A (en) * 1992-08-10 1993-10-12 Eugene Di Luco Apparatus for making a multi-colored printing ribbon

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5251989A (en) * 1992-08-10 1993-10-12 Eugene Di Luco Apparatus for making a multi-colored printing ribbon

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