US3300958A - Bobbin removal mechanism for spinning machines - Google Patents

Bobbin removal mechanism for spinning machines Download PDF

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US3300958A
US3300958A US336453A US33645364A US3300958A US 3300958 A US3300958 A US 3300958A US 336453 A US336453 A US 336453A US 33645364 A US33645364 A US 33645364A US 3300958 A US3300958 A US 3300958A
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lever
lifting
bobbin
carriage
bolt
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US336453A
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Roller Siegfried
Idler Gustav
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C EUGEN MAIER METALLVERARBEITUNG G M B H Firma
MAIER EUGEN METALLVERARBEITUNG
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MAIER EUGEN METALLVERARBEITUNG
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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H9/00Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
    • D01H9/02Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements
    • D01H9/08Doffing arrangements independent of spinning or twisting machines
    • D01H9/10Doffing carriages ; Loading carriages with cores

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  • BOBBIN REMOVAL MECHANISM FOR SPINNING MACHINES Filed Jan. 8, 1964
  • This invention relates in general to spinning machines, and in particular to a new and useful device for removing fully wound bobbins from the spindles of a spinning machine.
  • the present invention relates particularly to a spinning machine of a type in which a bobbin change carriage is moved continuously along the spinning machine and in which the bobbin removal device is carried on the carriage.
  • the invention is an improvement over prior art devices, particularly in respect to the provision of a driving mechanism which includes a lever which is pivoted up and downwardly for moving a gripper into contact with the bobbin and for lifting the bobbin off the spindle and wherein means are provided for having a greater lifting force available at the time the bobbin is taken off the spindle for the purpose of overcoming friction than is available during the remaining upward movement of the bobbin.
  • a driving mechanism which includes a lever which is pivoted up and downwardly for moving a gripper into contact with the bobbin and for lifting the bobbin off the spindle and wherein means are provided for having a greater lifting force available at the time the bobbin is taken off the spindle for the purpose of overcoming friction than is available during the remaining upward movement of the bobbin.
  • a connecting rod which is articulated by a crank or eccentric mechanism.
  • the connecting rod is slotted at its upper end for receiving a bolt which is carried by a lever.
  • the lever is pivoted at one end at a fixed location and moved by the connecting rod under the additional guidance of a cam plate.
  • the lever carries a gripper mechanism at its outer end for removing a bobbin from a spindle.
  • the mechanism includes a cam carried by the connecting rod which bears against the lever at a location spaced away from the pivot by a greater amount further than the spacing of the connection of the bolt in the slot at the end of the connecting rod from the pivot.
  • the cam is effective to lift the lever first when the gripper is first engaging the full spool for removal of the spool from the spindle. Since the cam is spaced a greater distance from the pivot than the connection of the rod to the bolt, a greater lifting force is effective on the lever than if the rod lifted the lever through the bolt connection initially. This greater lifting force is reduced gradually as the cam rides along the surface of the lever during the lifting stroke of the connecting rod until the bolt which rides in the slot comes to the end of the slot and causes the direct lifting of the lever with a somewhat lesser lifting force. In order that the operation of the device be quiet, the bolt on the lever is urged to the lowermost position on the slot by biasing the lever downwardly at such location by means of a tension spring.
  • the upward movement of the lever, with the bobbin-removing gripper attached thereto is controlled by means of a plate which may swing about a horizontal axis which is substantially vertical to the direction of movement of the forwardly moving carriage performing a working cycle.
  • the plate is kept in a vertical position; however, it may also swing out substantially opposite to said direction of movement of the carriage. This also enables the gripper to perform a swinging move- 33%,958 Patented Jan. 31, 1967 ment in the same direction during the removal of the bobbin and the simultaneous relative movement of the carriage and the spindle frame.
  • a further object of the invention is to provide a spinning machine which includes a spinning frame with a carriage arranged to run along said spindle frame having a bobbin removal mechanism which includes a lever pivoted for upward and downward movement which carries at its outer end a gripper for engaging a bobbin for removal thereof, and a driving mechanism which includes a lifting rod having a cam surface engageable with the lever for lifting the same for the application of a relatively great force on the lever during the initial stages of lifting, and which further includes a connection of the lifting rod to the lever which is effective to'exert a somewhat lesser lifting force on the lever during the remaining portion of its movement.
  • a further object of the invention is to provide a bobbin removal device for a spinning machine which is simple in design, rugged in construction and economical to manufacture.
  • FIG. 1 is a vertical section through the bobbin change carriage looking in the direction of the displacement of the carriage relative to the spindle frame or bed with a bobbin removal device constructed in accordance with the invention
  • FIG. 2 is a section taken on the line 22 of FIG. 1.
  • the invention embodied therein comprises a carriage generally designated 3 having rotatable rollers 4 which are guided on a track 5 adjacent a spindle bed or frame 2.
  • a shaft 6 which is driven by means (not shown) when a carriage position has been reached for the removal of a full bobbin 25 from the spindles 1 which are rotatably carried on the frame 2.
  • Crank means such as an eccentric 7 which is carried on the shaft 6 drives the bobbin removal mechanism.
  • the bobbin removal mechanism includes a bar or connecting rod 8 having a head 9 at its upper end of forked construction.
  • the head 9 carries at its upper end an axially elongated oblong slot 10 in which is confined a bolt 14 which is spaced closely to the fulcrum or pivot axis 13 of a lifting lever 12.
  • the head 9. also carries a lifting cam 11 which is shaped so that it bears against the lifting lever 12 at a location A further removed from the fulcrum 13 than the bolt 14 so that when the cam surface is effective, it exerts a greater lifting force on the lifting lever 12 than would be transmitted, via the slot 10, to the bolt 14.
  • a helical tension spring 15 is connected between the head 9 and the lifting lever 12 so that the lever with the bolt 14 is urged in a direction toward the bottom of the oblong slot 10.
  • the outer end of the lifting lever 12 is forked at 12' to engage around a bolt 16 which is carried on a grip holder arm 17 of a gripper 18.
  • An additional arm 30 of the gripper 18 carries a bolt 19.
  • the bolts 16 and 19 ride in the curved slots 20 of a cam plate or guide plate 21.
  • the gripper 18 includes suitable means for gripping the upper end of the full bobbin 25.
  • a further feature of the invention is that the guide plate 21 is pivotally mounted on the rod 22.
  • the plate is urged inwardly by a spring 24 against a stop 23.
  • the gripper is shown in a position after it has initially engaged the bobbin 25. The gripper is held at this moment at the top of the bobbin 25 by a device which is not indicated since it forms no part of the present invention.
  • the connecting rod 8 is moved up and with it the lifting cam 11 which solely causes the pivotal upward movement of the lifting lever 12.
  • the greatest lifting force is thus exerted at the point A of the lifting lever 12 so that the bobbin 25 is positively removed from the spindle 1.
  • the lifting lever 12 rolls along the surface of the lifting cam 11 until the cross bolt 14 finally bears at the lower part of the oblong slot and lifting is effected directly from the rod 8 to the bolt 14 and lever 12.
  • the lifting force intensity thus moves from the point A in the direction of the bolt 14 and toward the fulcrum 13.
  • the spring 15 insures that a quiet contact of the cooperating parts takes place.
  • the guide plate 21 swings about its suspension pin 22, opposite to the direction of movement of the carriage, the latter moving forwardly and performing a working cycle.
  • the plate moves away from stop 23 so that the gripper 18 may adapt itself to the progressive movement of the bobbin changer carriage.
  • This also provides a relative movement of the connection of the lifting lever 12 with the carriage 3, as well as the hinge connection 10, 14. At both points there is so much play that, in addition to the swinging movement in the vertical plane, there is also possible a swinging movement transversely thereto.
  • a bobbin change device comprising; a lifting lever pivotally mounted at its one end on said carriage, a bobbin gripper mounted on the other end of said lifting lever, means for lifting said lifting lever for the purpose of removing a bobbin from a spindle including an element engageable with said lever at a location spaced at a relatively large distance from the pivotal connection of said lever to said carriage for exerting a relatively large force at the initial stages of the lifting of said bobbin and an element engageable at a location spaced relatively close to the pivotal connection of said lever to said carriage for applying a relatively small lifting force to said lever after the initial stages of lifting of said bobbin.
  • said means for lifting said lever includes a rod memher, a cam carried by said rod member and extending outwardly therefrom into contact with said lever for exerting the initial large lifting force on said lever, said connecting rod member having a slot and pin connection to said lever at said location spaced closer to the pivot point for applying a lifting force of lesser magnitude after the initial lifting force has been applied.
  • said means permitting outward movement of said lever includes a guide plate, means having a horizontal axis for mounting said guide plate on said carriage for pivotal movement about said horizontal axis in the direction of movement of said carriage, said gripper having bolt means confined in the slot of said guide plate.
  • a spinning machine including a spindle frame, a carriage movable along said frame, the improvement comprising: a vertically positioned and vertically movable rod member carried by said frame, a lifting lever pivoted at one end on said carriage and having an opposite end extending toward said frame, a gripper carried by said opposite end of said lifting lever adapted to engage a full spool on said spindle frame, a cam carried by the upper end of said movable rod member and engageable with said lifting lever at a location intermediate its length and spaced from its pivotal connection on said carriage by a relatively large distance, said cam being engageable with said lifting lever during upward movement of said rod member and being movable along said lifting lever toward the pivotal connection thereof for causing first a relatively large lifting force and then a gradually decreasing lifting force, said rod member being slotted at its upper end, said lifting lever having a bolt extending through the slot of said rod member, said bolt being located closer to the pivotal connection of said lifting lever to said carriage than the contact of said cam with said lifting lever, said
  • a spinning machine including a guide plate pivotally carried by said carriage and movable in directions corresponding to the direction of movement of said carriage, said guide plate having a slot, said gripper having a bolt member confined in said slot of said guide plate.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Description

Jan. 31, 1967 s. ROLLER ETAL 3,300,958
BOBBIN REMOVAL MECHANISM FOR SPINNING MACHINES Filed Jan. 8, 1964 A T TOR/V596 United States Patent f 3,300,958 BOBBIN REMOVAL MECHANISM FOR SPINNING MACHINES Siegfried Roller, Fellbacli, and Gustav Idler, Strumpfelbach, Germany, assignors to Firma C. Eugen Maier Metallverarbeitung G.rn.b.H., Fellbach, Germany Filed Jan. 8, 1964, Ser. No. 336,453 Claims priority, application Germany, Jan. 16, 1963, M 55,449 6 Claims. (Cl. 57-53) This invention relates in general to spinning machines, and in particular to a new and useful device for removing fully wound bobbins from the spindles of a spinning machine.
The present invention relates particularly to a spinning machine of a type in which a bobbin change carriage is moved continuously along the spinning machine and in which the bobbin removal device is carried on the carriage. The invention is an improvement over prior art devices, particularly in respect to the provision of a driving mechanism which includes a lever which is pivoted up and downwardly for moving a gripper into contact with the bobbin and for lifting the bobbin off the spindle and wherein means are provided for having a greater lifting force available at the time the bobbin is taken off the spindle for the purpose of overcoming friction than is available during the remaining upward movement of the bobbin. For reasons of space and in order to keep the eccentricity small in the driving mechanism, it is advisable to articulate the crank or eccentric bar directly in the vicinity of the fulcrum of the lifting lever for the bobbin gripping device.
In accordance with the invention there is provided a connecting rod which is articulated by a crank or eccentric mechanism. The connecting rod is slotted at its upper end for receiving a bolt which is carried by a lever. The lever is pivoted at one end at a fixed location and moved by the connecting rod under the additional guidance of a cam plate. The lever carries a gripper mechanism at its outer end for removing a bobbin from a spindle. The mechanism includes a cam carried by the connecting rod which bears against the lever at a location spaced away from the pivot by a greater amount further than the spacing of the connection of the bolt in the slot at the end of the connecting rod from the pivot. With a construction of this nature the cam is effective to lift the lever first when the gripper is first engaging the full spool for removal of the spool from the spindle. Since the cam is spaced a greater distance from the pivot than the connection of the rod to the bolt, a greater lifting force is effective on the lever than if the rod lifted the lever through the bolt connection initially. This greater lifting force is reduced gradually as the cam rides along the surface of the lever during the lifting stroke of the connecting rod until the bolt which rides in the slot comes to the end of the slot and causes the direct lifting of the lever with a somewhat lesser lifting force. In order that the operation of the device be quiet, the bolt on the lever is urged to the lowermost position on the slot by biasing the lever downwardly at such location by means of a tension spring.
In accordance with a further characteristic of the invention, the upward movement of the lever, with the bobbin-removing gripper attached thereto, is controlled by means of a plate which may swing about a horizontal axis which is substantially vertical to the direction of movement of the forwardly moving carriage performing a working cycle. Preferably, the plate is kept in a vertical position; however, it may also swing out substantially opposite to said direction of movement of the carriage. This also enables the gripper to perform a swinging move- 33%,958 Patented Jan. 31, 1967 ment in the same direction during the removal of the bobbin and the simultaneous relative movement of the carriage and the spindle frame.
Accordingly, it is an object of this invention to provide an improved mechanism for removing bobbins from the spindles of a spinning machine.
A further object of the invention is to provide a spinning machine which includes a spinning frame with a carriage arranged to run along said spindle frame having a bobbin removal mechanism which includes a lever pivoted for upward and downward movement which carries at its outer end a gripper for engaging a bobbin for removal thereof, and a driving mechanism which includes a lifting rod having a cam surface engageable with the lever for lifting the same for the application of a relatively great force on the lever during the initial stages of lifting, and which further includes a connection of the lifting rod to the lever which is effective to'exert a somewhat lesser lifting force on the lever during the remaining portion of its movement.
A further object of the invention is to provide a bobbin removal device for a spinning machine which is simple in design, rugged in construction and economical to manufacture.
The various features of novelty which characterize the invention are pointed out with particularity in the claims annexed to and forming part of this specification. For a better understanding of the invention, its operating advantages and specific objects attained by its use, reference should be had to the accompanying drawings and descriptive matter in which there is illustrated and described preferred embodiments of the invention.
In the drawings:
FIG. 1 is a vertical section through the bobbin change carriage looking in the direction of the displacement of the carriage relative to the spindle frame or bed with a bobbin removal device constructed in accordance with the invention; and
FIG. 2 is a section taken on the line 22 of FIG. 1.
Referring to the drawings in particular, the invention embodied therein comprises a carriage generally designated 3 having rotatable rollers 4 which are guided on a track 5 adjacent a spindle bed or frame 2. In the lower portion of the carriage 3 there is rotatably supported a shaft 6 which is driven by means (not shown) when a carriage position has been reached for the removal of a full bobbin 25 from the spindles 1 which are rotatably carried on the frame 2. Crank means such as an eccentric 7 which is carried on the shaft 6 drives the bobbin removal mechanism.
In accordance with the invention, the bobbin removal mechanism includes a bar or connecting rod 8 having a head 9 at its upper end of forked construction. The head 9 carries at its upper end an axially elongated oblong slot 10 in which is confined a bolt 14 which is spaced closely to the fulcrum or pivot axis 13 of a lifting lever 12. The head 9. also carries a lifting cam 11 which is shaped so that it bears against the lifting lever 12 at a location A further removed from the fulcrum 13 than the bolt 14 so that when the cam surface is effective, it exerts a greater lifting force on the lifting lever 12 than would be transmitted, via the slot 10, to the bolt 14. A helical tension spring 15 is connected between the head 9 and the lifting lever 12 so that the lever with the bolt 14 is urged in a direction toward the bottom of the oblong slot 10.
The outer end of the lifting lever 12 is forked at 12' to engage around a bolt 16 which is carried on a grip holder arm 17 of a gripper 18. An additional arm 30 of the gripper 18 carries a bolt 19. The bolts 16 and 19 ride in the curved slots 20 of a cam plate or guide plate 21. The gripper 18 includes suitable means for gripping the upper end of the full bobbin 25.
A further feature of the invention is that the guide plate 21 is pivotally mounted on the rod 22. The plate is urged inwardly by a spring 24 against a stop 23. As indicated in FIG. 1, the gripper is shown in a position after it has initially engaged the bobbin 25. The gripper is held at this moment at the top of the bobbin 25 by a device which is not indicated since it forms no part of the present invention.
Due to the rotation of the eccentric 7, the connecting rod 8 is moved up and with it the lifting cam 11 which solely causes the pivotal upward movement of the lifting lever 12. The greatest lifting force is thus exerted at the point A of the lifting lever 12 so that the bobbin 25 is positively removed from the spindle 1. During the further movement the lifting lever 12 rolls along the surface of the lifting cam 11 until the cross bolt 14 finally bears at the lower part of the oblong slot and lifting is effected directly from the rod 8 to the bolt 14 and lever 12. The lifting force intensity thus moves from the point A in the direction of the bolt 14 and toward the fulcrum 13. The spring 15 insures that a quiet contact of the cooperating parts takes place.
During removal of the bobbin 25, the guide plate 21 swings about its suspension pin 22, opposite to the direction of movement of the carriage, the latter moving forwardly and performing a working cycle. Thus, the plate moves away from stop 23 so that the gripper 18 may adapt itself to the progressive movement of the bobbin changer carriage. This also provides a relative movement of the connection of the lifting lever 12 with the carriage 3, as well as the hinge connection 10, 14. At both points there is so much play that, in addition to the swinging movement in the vertical plane, there is also possible a swinging movement transversely thereto.
While specific embodiments of the invention have been shown and described in detail to illustrate the application of the inventive principles, it will be understood that the invention may be embodied otherwise without departing from such principles.
What is claimed is:
1. In a spinning machine including a spindle frame with a carriage moving along said frame, the improvement comprising a bobbin change device comprising; a lifting lever pivotally mounted at its one end on said carriage, a bobbin gripper mounted on the other end of said lifting lever, means for lifting said lifting lever for the purpose of removing a bobbin from a spindle including an element engageable with said lever at a location spaced at a relatively large distance from the pivotal connection of said lever to said carriage for exerting a relatively large force at the initial stages of the lifting of said bobbin and an element engageable at a location spaced relatively close to the pivotal connection of said lever to said carriage for applying a relatively small lifting force to said lever after the initial stages of lifting of said bobbin.
2. In a spinning machine according to claim 1, wherein said means for lifting said lever includes a rod memher, a cam carried by said rod member and extending outwardly therefrom into contact with said lever for exerting the initial large lifting force on said lever, said connecting rod member having a slot and pin connection to said lever at said location spaced closer to the pivot point for applying a lifting force of lesser magnitude after the initial lifting force has been applied.
3. In a spinning machine according to claim 1, including means permitting outward pivotal movement of said lifting lever in a direction away from the direction of advance of said carriage during the lifting operation,
4. In a spinning machine according to claim 3, wherein said means permitting outward movement of said lever includes a guide plate, means having a horizontal axis for mounting said guide plate on said carriage for pivotal movement about said horizontal axis in the direction of movement of said carriage, said gripper having bolt means confined in the slot of said guide plate.
5. In a spinning machine including a spindle frame, a carriage movable along said frame, the improvement comprising: a vertically positioned and vertically movable rod member carried by said frame, a lifting lever pivoted at one end on said carriage and having an opposite end extending toward said frame, a gripper carried by said opposite end of said lifting lever adapted to engage a full spool on said spindle frame, a cam carried by the upper end of said movable rod member and engageable with said lifting lever at a location intermediate its length and spaced from its pivotal connection on said carriage by a relatively large distance, said cam being engageable with said lifting lever during upward movement of said rod member and being movable along said lifting lever toward the pivotal connection thereof for causing first a relatively large lifting force and then a gradually decreasing lifting force, said rod member being slotted at its upper end, said lifting lever having a bolt extending through the slot of said rod member, said bolt being located closer to the pivotal connection of said lifting lever to said carriage than the contact of said cam with said lifting lever, said slot being of a size such that said bolt is contacted by said lifting mmeber for direct lifting thereof after said cam is no longer effective.
6. In a spinning machine according to claim 5, including a guide plate pivotally carried by said carriage and movable in directions corresponding to the direction of movement of said carriage, said guide plate having a slot, said gripper having a bolt member confined in said slot of said guide plate.
References Cited by the Examiner UNITED STATES PATENTS 2,886,940 5/1959 Urano et. al. 57-53 3,116,587 1/1964 DuBuis et al. 57-53 3,148,495 9/1964 King et a1. 57-53 3,154,909 11/1964 Urano et al. 57-53 3,176,458 4/1965 DuBois et al. 57-53 FRANK J. COHEN, Primary Examiner.
STANLEY N. GILREATH, Examiner.
J. PETRAKES, Assistant Examiner.

Claims (1)

1. IN A SPINNING MACHINE INCLUDING A SPINDLE FRAME WITH A CARRIAGE MOVING ALONG SAID FRAME, THE IMPROVEMENT COMPRISING A BOBBIN CHANGE DEVICE COMPRISING; A LIFTING LEVER PIVOTALLY MOUNTED AT ITS ONE END ON SAID CARRIAGE, A BOBBIN GRIPPER MOUNTED ON THE OTHER END OF SAID LIFTING LEVER, MEANS FOR LIFTING SAID LIFTING LEVER FOR THE PURPOSE OF REMOVING A BOBBIN FROM A SPINDLE INCLUDING AN ELEMENT ENGAGEABLE WITH SAID LEVER AT A LOCATION SPACED AT A RELATIVELY LARGE DISTANCE FROM THE PIVOTAL CONNECTION OF SAID LEVER TO SAID CARRIAGE FOR EXERTING A RELATIVELY LARGE FORCE AT THE INITIAL STAGES OF THE LIFTING OF SAID BOBBIN AND AN ELEMENT ENGAGEABLE AT A LOCATION SPACED RELATIVELY CLOSE TO THE PIVOTAL CONNECTION OF SAID LEVER TO SAID CARRIAGE FOR APPLYING A RELATIVELY SMALL LIFTING FORCE TO SAID LEVER AFTER THE INITIAL STAGES OF LIFTING OF SAID BOBBIN.
US336453A 1963-01-16 1964-01-08 Bobbin removal mechanism for spinning machines Expired - Lifetime US3300958A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM55449A DE1162737B (en) 1963-01-16 1963-01-16 Pulling device for the bobbins from the spindles of a spinning machine

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US3300958A true US3300958A (en) 1967-01-31

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CH (1) CH425567A (en)
DE (1) DE1162737B (en)
FR (1) FR1378729A (en)
GB (1) GB986965A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380239A (en) * 1965-11-19 1968-04-30 Schubert & Salzer Maschinen Apparatus for the removal of full cops on ring spinning and ring twisting machines
US3442072A (en) * 1963-09-04 1969-05-06 Matteo Gillono Device for loading and unloading spindles
CN107723859A (en) * 2017-11-01 2018-02-23 经纬纺织机械股份有限公司 Spinning frame accurately falls pipe counting control system and control method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2886940A (en) * 1956-06-16 1959-05-19 Kanegafuchi Spinning Co Ltd Apparatus for automatically mounting and dismounting a bobbin for a spinning machine, a twister and the like
US3116587A (en) * 1962-12-19 1964-01-07 Willcox & Gibbs Sewing Machine Doffing mechanism
US3148495A (en) * 1961-01-18 1964-09-15 Bahnson Co Apparatus for doffing spinning frames
US3154909A (en) * 1959-09-26 1964-11-03 Kanegafuchi Spinning Co Ltd Apparatus for automatically exchanging bobbins in spinning machines
US3176458A (en) * 1962-11-13 1965-04-06 Draper Corp Bobbin doffing mechanism

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1132036B (en) * 1956-06-16 1962-06-20 Kanegafuchi Spinning Co Ltd Device for the continuous withdrawal of the full coetzers on ring spinning machines and ring twisting machines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2886940A (en) * 1956-06-16 1959-05-19 Kanegafuchi Spinning Co Ltd Apparatus for automatically mounting and dismounting a bobbin for a spinning machine, a twister and the like
US3154909A (en) * 1959-09-26 1964-11-03 Kanegafuchi Spinning Co Ltd Apparatus for automatically exchanging bobbins in spinning machines
US3148495A (en) * 1961-01-18 1964-09-15 Bahnson Co Apparatus for doffing spinning frames
US3176458A (en) * 1962-11-13 1965-04-06 Draper Corp Bobbin doffing mechanism
US3116587A (en) * 1962-12-19 1964-01-07 Willcox & Gibbs Sewing Machine Doffing mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3442072A (en) * 1963-09-04 1969-05-06 Matteo Gillono Device for loading and unloading spindles
US3380239A (en) * 1965-11-19 1968-04-30 Schubert & Salzer Maschinen Apparatus for the removal of full cops on ring spinning and ring twisting machines
CN107723859A (en) * 2017-11-01 2018-02-23 经纬纺织机械股份有限公司 Spinning frame accurately falls pipe counting control system and control method

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GB986965A (en) 1965-03-24
CH425567A (en) 1966-11-30
FR1378729A (en) 1964-11-13
DE1162737B (en) 1964-02-06

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