EP3272924A1 - Dispositif d'alimentation en lubrifiant pour une machine à coudre, procédé de lubrification d'une machine à coudre et machine à coudre - Google Patents

Dispositif d'alimentation en lubrifiant pour une machine à coudre, procédé de lubrification d'une machine à coudre et machine à coudre Download PDF

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Publication number
EP3272924A1
EP3272924A1 EP17174888.2A EP17174888A EP3272924A1 EP 3272924 A1 EP3272924 A1 EP 3272924A1 EP 17174888 A EP17174888 A EP 17174888A EP 3272924 A1 EP3272924 A1 EP 3272924A1
Authority
EP
European Patent Office
Prior art keywords
lubricant
sewing machine
supply device
pump
lubrication point
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17174888.2A
Other languages
German (de)
English (en)
Other versions
EP3272924B1 (fr
Inventor
Christoph Heckner
Andreas Riffel
Frank Janzen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Duerkopp Adler AG
Original Assignee
Duerkopp Adler AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Duerkopp Adler AG filed Critical Duerkopp Adler AG
Publication of EP3272924A1 publication Critical patent/EP3272924A1/fr
Application granted granted Critical
Publication of EP3272924B1 publication Critical patent/EP3272924B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B71/00—Lubricating or cooling devices

Definitions

  • the invention relates to a lubricant supply device for a sewing machine and a sewing machine with such a lubricant supply device.
  • Lubricant feeders for sewing machines are from the DE 10 2004 018 065 B3 .
  • the invention has the object of developing the known lubricant feeders to ensure a metered lubrication of a lubrication point of a sewing machine, at the same time an undesirable lubricant outlet should be prevented or at least largely avoided.
  • this object is achieved by a lubricant supply device according to claim 1 and a method for lubricating a lubrication point according to claim 6.
  • the lubricant supply device comprises at least one lubricant container for storing a lubricant, at least one lubricant delivery line for conveying the lubricant from a lubricant container to at least one lubrication point, in particular a thread gripper or needle bar, the sewing machine and at least one pump unit for conveying the lubricant, wherein at least one lubricant supply line is associated with the at least one pump unit and the at least one lubricant supply line has at its lubrication point end a lubricant buffer and discharge element for buffering and dispensing the lubricant ,
  • the lubricant buffer and dispensing element is arranged at the lubricant side end adjacent to the lubrication point, so that the lubricant buffer and dispensing element touches the lubrication point or a small distance of a few millimeters is present, in particular less than 1mm, in particular less than 3 mm, in particular less than 5 mm.
  • Lubricant transfer occurs from the lubricant buffer and delivery member to the lubrication point.
  • a lubricant supply line from the lubricant buffer and delivery element to the lubrication point is unnecessary.
  • the at least one pump unit of the at least one lubricant supply line is assigned such that the at least one pumping unit between the at least one lubricant container and the at least one lubrication point is arranged.
  • a pump unit of a lubricant delivery line or a pump unit is assigned at least two lubricant delivery lines.
  • at least two pumping units may be associated with at least two lubricant delivery lines.
  • the cost of providing the at least one pumping unit can then be minimized, adapted to the respective lubrication requirements.
  • the lubricant can be stored at the lubrication point end of the lubricant delivery line and delivered in small quantities to the lubrication point.
  • the lubricant buffer and dispensing element may be formed as the lubricant temporarily binding reservoir and / or by a buffer storage volume.
  • Such a supply body can store the lubricant, for example, by utilizing capillary forces or due to any other inherent absorbency.
  • Such a storage volume can be designed, for example, as an annular groove in a bearing body in the region of the lubrication point.
  • a lubricant reservoir is associated with a lubricant location or a lubricant reservoir is assigned at least two lubrication points or at least two lubricant reservoirs are assigned at least two lubrication points.
  • the lubricant buffer and dispensing element is formed as an annular buffer volume in which the lubricant is temporarily stored.
  • the pump unit is designed as a micropump.
  • the micropump in the form of a reciprocating pump, an annular gap pump, a diaphragm pump, a magnetic metering pump, centrifugal pump, pressure pump, compressed air diaphragm pump, or generally in a known design as a reciprocating and rotary displacement or comparable pumps to be executed ,
  • the reciprocating pump can be a one-piece housing exhibit.
  • an actuator may be arranged in the form of a solenoid.
  • the latter can be in operative connection via a piston rod with a piston.
  • the piston may be sealingly guided on an inner housing wall.
  • the reciprocating piston and the housing can define a delivery chamber.
  • the housing may include a lubricant introduction port for supplying the lubricant from the lubricant reservoir to the delivery space, and a lubricant discharge port for discharging the lubricant from the delivery space to the lubricant site of the sewing machine.
  • the lubricant introduction opening and the lubricant discharge opening can be arranged in a plane to one another.
  • the lubricant introduction port and lubricant discharge port may be arranged vertically to each other.
  • a check valve is arranged in each case in the lubricant introduction opening and the lubricant discharge opening.
  • a control and regulating unit is provided, which is in signal communication with the pump unit. By controlling or regulating the pump unit, an improved metered and leak-free feeding of the lubricant to the lubrication point is ensured.
  • At least one sensor for detecting operating parameters of the sewing machine is provided, which are in signal communication with the control and regulation unit.
  • at least one sensor of the type of a temperature sensor, a moisture sensor or a stitch count sensor may be provided.
  • the lubricant buffer and dispensing element is designed in the form of a felt or wick.
  • the felt and / or the wick may consist of natural fibers such as cotton or the like or synthetic fibers of plastic.
  • the lubricant buffering and dispensing element may be embodied as a one-piece felt or one-piece wick.
  • the lubricant buffer and dispensing element can be made in several parts.
  • the lubricant buffering and dispensing element may also be in the form of a sponge and / or foam.
  • One possible plastic material for the lubricant buffer and delivery element is polyurethane.
  • the lubricant buffering and dispensing element may be made of a combination of felt and wick. By using a felt and / or wick, a particularly simple and cost-effective design of the lubricant buffer and dispensing element is ensured.
  • Another object of the invention is to provide a method of lubricating a lubrication point of a sewing machine which provides sufficient and leak-free lubrication of the lubrication point of a sewing machine. This is achieved by a method having the features according to claim 6.
  • the lubricant is conveyed at predetermined or selected time intervals. For example, every 45 operating hours, in particular every 15 operating hours, in particular every operating hour, the metering pump for the time of 20 seconds, in particular 15 seconds, especially ten seconds, especially two seconds should be turned on. During the operating time of the pump unit, this could cyclically promote the lubricant, for example, by more than one stroke, by more than five strokes or by more than ten strokes. For example, a stroke could deliver less than 10 ⁇ l of lubricant, less than 50 ⁇ l of lubricant, or less than 200 ⁇ l of lubricant.
  • a consumption-dependent supply of the lubricant prevents leakage of lubricant at the lubrication point as a result of excessively supplied lubricant.
  • At least one sensor for detecting at least one operating parameter of the sewing machine according to claim 10 is provided for this purpose.
  • the number of stitches is detected and the pump unit according to a defined number of stitches such as five million, especially one million, especially 100,000 stitches, for a defined period of 20 seconds, in particular 15 seconds, especially of ten seconds, in particular for two seconds.
  • the pump unit can be designed to promote a very small amount of lubricant per unit time, for example, one drop per day.
  • a lubricant supply device according to any one of claims 1 to 5 can also be combined with a lubricating method according to any one of claims 6 to 10.
  • a sewing machine 1 with a lubricant supply device 2 is formed in the usual way with a C-shaped housing, which has a shell-shaped, accessible from below base plate 3 and an adjoining it upwards stand 4.
  • the arm 4 is adjoined approximately at right angles by an arm 5 extending substantially parallel to the base plate 3 and ending in a head 6.
  • an unillustrated crank mechanism which serves for the up and down drive in a needle bar 7 shown schematically with at least one lubrication point 8 in the form of an axial guide or a radial bearing.
  • the crank drive is mounted on an arm arm 5, not shown, driven arm shaft which is connected via a timing belt drive, not shown with a rotatably mounted in the base plate 3, not shown, shaft in drive connection.
  • the base plate 3 more components of the sewing machine 1 are arranged, which includes a schematically illustrated rotatably mounted gripper 9 counts.
  • the gripper 9 has at least one schematic lubrication point 10.
  • the gripper is connected to a shaft, not shown, with an unillustrated drive motor.
  • the drive motor is in signal connection with an electronic control unit 11.
  • a lubricant container 12 is arranged, which is provided with a first and second pumping unit 13, 14 via a lubricant supply line 15 is in fluid communication.
  • the lubrication points 8 are in fluid communication with the first pumping unit 13 via the lubricant delivery line 15.
  • the pumping unit 13 is arranged along the lubricant delivery line 15 between the lubricant reservoir 12 and the lubrication points 8.
  • the lubrication points 10 are in fluid communication with the second pump unit 14 via the lubricant delivery line 15.
  • the pump unit 14 is arranged along the lubricant delivery line 15 between the lubricant container 12 and the lubrication points 10.
  • the structure and operation of the lubricant supply device 2 will be described by way of example for the lubricant supply for the needle bar 7.
  • the structure described below and the operation of the lubricant supply device 2 is equivalent to other lubrication points of the sewing machine 1 transferable.
  • Structurally identical components receive the same reference number as after FIG. 1 ,
  • lubricant supply device 2 has a pump unit 13 which is in fluid communication with the lubricant container 12 via a lubricant supply line 15.
  • lubricant 16 is conveyed from the lubricant reservoir 12 to the lubrication point 8 of the needle bar 7.
  • pump unit 13 is exemplified as a reciprocating pump.
  • the pumping unit 13 may be used as an annular gap pump, diaphragm pump, magnetic metering pump, centrifugal pump, pressure pump, compressed air diaphragm pump, diaphragm fluid pump, or generally of approved construction Hub and circulation displacer or comparable pumps to be executed. Regardless of the design, the pumping unit 13 is designed as a micropump.
  • the illustrated pump unit 13 has a pump housing 17. In the pump housing 17, an actuator 18 which is connected via a piston rod 19 with a piston 20 in operative connection, is arranged. Further, the pump housing 17 has a lubricant supply port 21 and a lubricant discharge port 22.
  • connection element can be designed in various ways. This can be designed as a releasable connection, such as in the form of a slip-on connection, bayonet connection, screw or the like, or as a permanent connection, such as adhesive bond, shrink-fit connection or the like.
  • a lubricant buffer and delivery element 24 is arranged so that lubrication of the needle bar 7 is ensured at the lubrication point 8.
  • the lubricant 16 passes from the pump unit 13 first to the lubricant buffer and dispensing element 24.
  • the lubricant 16 is temporarily stored and metered passed to the lubrication point 8, so that leakage through a high amount of lubricant is avoided.
  • lubricant 16 lubricating oils or greases can be used.
  • the lubricant buffering and dispensing element 24 is filamentous Braid, for example, in the form of a wick and / or as a thread-like fabric, for example in the form of a felt executed. If a lubricating grease is used as the lubricant 16, the lubricant buffer and dispensing element 24 is designed as an annular gap with a threadlike fabric, for example in the form of a felt.
  • the lubricant 16 is taken up by the lubricant buffer and dispensing member 24 by capillary forces and cached.
  • the lubricant is delivered to the lubrication point 8.
  • lubricants 16 with good flow properties are particularly advantageous.
  • the lubricant buffer and dispensing element 24 is located at the lubrication point 8 adjacent to the needle bar 7 so as to permit transfer of the lubricant 16 from the lubricant buffer and dispensing element 24 to the needle bar 7.
  • the lubricant buffering and dispensing element 24 comprises the needle bar at least partially or over the entire circumference of the needle bar 7.
  • the lubricant buffer and dispensing element 24 forms an annular buffer volume in which the lubricant is intermediately stored.
  • lubricant supply device 2 has a pump unit 14 which is in fluid communication with the lubricant container 12 via a lubricant supply line 15.
  • lubricant 16 is conveyed from the lubricant container 12 to the lubrication point 10 of the gripper 9.
  • the pumping unit 14 is exemplified as a reciprocating pump.
  • the pump unit can be designed as an annular gap pump, diaphragm pump, centrifugal pump, pressure pump, compressed air diaphragm pump, magnetic metering pump, membrane-liquid pump or generally recognized construction as reciprocating and rotary displacement or comparable pumps. Regardless of the design, the pump unit 14 is designed as a micropump.
  • the illustrated pump unit 14 has a pump housing 17.
  • an actuator 18 which is connected via a piston rod 19 with a piston 20 in operative connection, is arranged.
  • the pump housing 17 has a lubricant supply port 21 and a lubricant discharge port 22.
  • check valves 23 are arranged so that a promotion of the lubricant 16 is ensured by the lubricant container 12 to the lubrication point 10.
  • a connecting element not shown, for connecting the pump unit 14 to the lubricant delivery line 15 is arranged adjacent to the lubricant supply port 21 and the lubricant discharge opening 22 arranged.
  • the connecting element can be designed in various ways.
  • a lubricant supply line 15 leads to the gripper housing 30.
  • a gripper housing bore 31 is provided, through which the lubricant supply line 15 is passed.
  • an oil disk 32 is provided in the gripper housing 30. The oil disk 32 rests on a spring disk, not shown, which in turn rests on a deep groove ball bearing 40. The oil disk 32 is secured against rotation.
  • the lubricant supply line 15 leads the lubricant 16 through the gripper housing bore 31 to the oil disk 32.
  • an oil disk bore 34 is provided through which the lubricant supply line 15 to a receptacle 35 for the lubricant buffer and Delivery element is guided within the oil disk 32.
  • the lubricant buffer and dispensing element 24 is arranged so that the lubricant 16 can be temporarily stored at this position.
  • the gripper 9 is arranged on the gripper shaft 33, which is connected non-positively to the gripper shaft 33.
  • the gripper 9 has a crooked to a gripper axis 36 of the gripper shaft 33 gripper bore 37.
  • the crooked gripper hole 37 is adjacent to the receptacle 35 of the oil disk 32 and leads to the lubrication point 10 of a gripper track 38.
  • the gripper track 38 is located between the gripper 9 and a coil housing 39th
  • the lubricant 16 may be initially conveyed from the pumping unit 14 to the lubricant buffering and dispensing element 24. In the lubricant buffer and dispensing element 24, the lubricant 16 is temporarily stored. As a result of the rotation of the gripper shaft 33, the gripper 9 rotates so that the lubricant 16 is metered by the centrifugal force via the oblique gripper bore 37 to the lubricating point 10 of the gripper path 38 arrives. Leakage due to excessive lubricant is avoided.
  • the lubricant 16 is a lubricating oil
  • the lubricant buffer and dispensing element 24 is designed as a thread-like braid, for example in the form of a wick and / or as a thread-like fabric, for example in the form of a felt.
  • a distribution of the lubricant 16, whether it is a lubricating oil or grease, is as follows.
  • the lubricant 16 is taken up by the lubricant buffer and dispensing member 24 by capillary forces and cached.
  • the lubricant 16 is released by centrifugal forces due to the rotation of the gripper 9 to the lubrication point 10.
  • the lubricant buffer and dispensing element 24 is annular so that an annular buffer volume is formed. In this case, the lubricant buffer and dispensing element 24 is arranged in the receptacle 35 on the circumference of the oil disk 32.
  • FIG. 4 the structure and operation of the lubricant supply device 2 by way of example for an alternative lubricant supply for the gripper 9 described.
  • the construction described below and the mode of operation of the lubricant supply device 2 can also be transferred to other lubrication points of the sewing machine 1.
  • Structurally identical components receive the same reference number as after FIGS. 1 to 3 ,
  • a gripper bore 41 allows a lubricant transfer from a lubricant buffer 42 to the lubrication point 10 in the hook track 38.
  • the Lubricant is conveyed from the lubricant buffer 42 via the gripper bore 41, the hook track 38 and the crooked gripper bore 37 to the lubricant buffer and dispenser element 24 and buffered. This happens as far as the gripper bore 41 communicates with the lubricant buffer 42.
  • the storage and distribution of the lubricant 16 is carried out analogously to the embodiment according to Fig. 3 , whose description is hereby referred to.
  • a connecting element may be provided.
  • This connection element can be connected on the input side to the lubricant intermediate storage 42 or directly to the lubricant delivery line 15 and communicate on the output side with the gripper bore 41.
  • a seal not shown required, so that a leak-free lubrication is guaranteed.
  • the connecting element may have on the output side an inner peripheral groove which runs along the path of movement of the gripper bore 41 and thus ensures that the connecting element in each rotational position of the gripper 9 and thus in each rotational position of the Gripper hole 41 communicates with the connecting element.
  • the gripper bore 41 itself can open into an outer wall of the housing of the gripper 9 via a circumferential groove, so that also such a communication with the lubricant supply in each rotational position of the gripper 9 is given.
  • a memorisnutholder is possible, in which the above-mentioned connecting element can also be omitted.
  • the upper and lower pumping units 14, 13 have a control and regulation unit 25.
  • a control and regulation unit 25 can also be provided for each pumping unit 13, 14. If more than two pumping units are provided, several control and regulating units may also be present.
  • the pump unit 13, 14 can be controlled or operated.
  • an input variable is specified.
  • the input variable is processed in the control and regulation unit 25 and passed on to the actuator 18 of the pumping unit 13, 14, whereby a controlled lubricant supply to the lubricant point 8, 10 is made possible.
  • a control of the pump unit 13, 14 a variety of input variables, such as the time or the number of stitches, possible.
  • the lubricant 16 When timed, the lubricant 16 could be cyclically delivered to the lubricant buffer and dispenser 24. In this case, a supply of the lubricant 16, for example, every 45 hours would be possible, wherein the pump unit 13, 14 is turned on for a predetermined time, for example, two seconds. For this purpose, a timer unit, not shown, could be provided in the control and regulation unit 25.
  • the operating time of the drive elements could be used as input.
  • the pumping unit 13, 14 could be switched on every operating hour for two seconds.
  • the operating time of the drive elements could be determined by the control electronics 11 of the sewing machine 1.
  • the control electronics 11 Upon reaching the predetermined operating time, the control electronics 11 sends a signal to the control and regulation unit 25, which in turn turns on the pump unit 13, 14 so that lubricant 16 is conveyed from the lubricant reservoir 12 to the lubricant buffer and dispensing element 24.
  • the pump unit 13, 14 is turned off, so that no lubricant 16 is conveyed to the lubricant buffer and dispensing member 24.
  • the pumping unit 13 is controlled or regulated independently of the pumping unit 14 by the control and regulation unit 25.
  • the number of stitches could serve as input to control the pump unit 13, 14.
  • the pump unit 13, 14 would be switched on for a defined number of times after a specified number of stitches.
  • the number of stitches represents an important operating parameter, which is determined by means of the Control electronics 11 can be determined.
  • the gripper speed is directly dependent on the number of stitches.
  • both pump units 13, 14 are controlled as a function of the number of stitches, so that a consumption-dependent supply of the lubricant 16 is made possible.
  • FIG. 6 A regulated lubricant supply should be based on FIG. 6 be explained in more detail. Structurally identical components are given the same reference number as after FIGS. 1 to 5 ,
  • sensors 26 are provided which are associated with the lubrication points 8, 10 and are in signal communication with the control and regulation unit 25. A signal connection between the control and regulation unit 25 and the control electronics 11 is not required. By means of the sensors 26 various operating parameters can be detected.
  • the sensors 26 are designed as temperature sensors which detect the temperature at the lubrication points 8, 10. When a predetermined desired temperature, such as 60 ° C, the pump unit 13, 14 is turned on and operated until the target temperature is exceeded.
  • the pump unit has a one-piece pump housing 17, wherein in the pump housing 17, an actuator 18 is arranged, which is connected via the piston rod 19 with the piston 20 in operative connection, wherein the piston 20 sealingly against the pump housing 17 is led.
  • an up and down movement of the reciprocating piston 20 is generated.
  • the piston 20 is moved from a lower position to an upper position, thereby creating a negative pressure, whereby the lubricant is conveyed from the lubricant container into the delivery chamber 27.
  • In a down movement creates an overpressure, whereby the lubricant is conveyed from the pumping chamber to the lubricant buffer and discharge element 24.
  • the actuator 18 is as an electromechanical actuator, in particular as an electromagnet or piezoelectric actuator executed.
  • the piston 20 For a leak-free operation of the pump unit 13, 14, the piston 20 must be sealingly guided on the one wall of the pump housing 17.
  • a fit seal is advantageously provided.
  • a ring seal, lip seal or membrane seal may be provided.
  • FIG. 8 A further advantageous embodiment of the pump unit is intended in FIG. 8 be described in more detail.
  • Structurally identical components have the same reference numerals as in the FIGS. 1 to 7 ,
  • the pump unit is designed as an annular gap pump.
  • the piston 20 has an annular gap which defines a delivery chamber 27 with the pump housing 17.
  • the lubricant discharge port 22 is disposed vertically offset from the lubricant supply port 21.
  • a vent hole 28 is provided below the piston 20.
  • a lubricant transfer element 29 is provided at the piston-side end of the lubricant discharge opening 22. This ensures an improved absorption of the lubricant 16 from the delivery chamber 27 to the lubricant delivery line 15.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
EP17174888.2A 2016-07-20 2017-06-08 Dispositif d'alimentation en lubrifiant pour une machine à coudre,procédé de lubrification d'une machine à coudre et machine à coudre Active EP3272924B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016213253.9A DE102016213253A1 (de) 2016-07-20 2016-07-20 Schmiermittel-Zuführeinrichtung für eine Nähmaschine

Publications (2)

Publication Number Publication Date
EP3272924A1 true EP3272924A1 (fr) 2018-01-24
EP3272924B1 EP3272924B1 (fr) 2023-08-23

Family

ID=59030851

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17174888.2A Active EP3272924B1 (fr) 2016-07-20 2017-06-08 Dispositif d'alimentation en lubrifiant pour une machine à coudre,procédé de lubrification d'une machine à coudre et machine à coudre

Country Status (6)

Country Link
EP (1) EP3272924B1 (fr)
JP (1) JP2018011944A (fr)
KR (1) KR102311392B1 (fr)
CN (1) CN107641913B (fr)
DE (1) DE102016213253A1 (fr)
TW (1) TW201807285A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115404602A (zh) * 2022-08-18 2022-11-29 浙江安骐智能科技有限公司 一种用于缝纫机的供油机构

Citations (11)

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Publication number Priority date Publication date Assignee Title
GB516016A (en) * 1937-06-22 1939-12-20 Union Special Machine Co Improvements in sewing machines
GB544016A (en) * 1939-12-30 1942-03-24 Union Special Machine Co Improvements in sewing machines
GB644242A (en) * 1947-11-12 1950-10-04 Singer Mfg Co Oil metering device for sewing machine
GB746008A (en) * 1953-06-01 1956-03-07 Singer Mfg Co Lubricating arrangement for sewing machines
GB1202168A (en) * 1967-09-13 1970-08-12 Rimoldi C Spa Virginio A sewing machine provided with a pressure lubrication system
DE1685010A1 (de) * 1966-02-10 1971-08-12 Singer Co Schmiereinrichtung fuer Naehmaschinen
JPH09299670A (ja) * 1996-05-09 1997-11-25 Juki Corp ミシンの給油機構
JPH11253682A (ja) * 1998-03-16 1999-09-21 Barudan Co Ltd ミシン
JP2005027847A (ja) * 2003-07-11 2005-02-03 Juki Corp ミシン
JP2006167035A (ja) * 2004-12-14 2006-06-29 Juki Corp ミシン
CN1854374A (zh) * 2005-04-21 2006-11-01 重机公司 缝纫机的供油装置

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DE1847263U (de) * 1961-09-07 1962-02-22 Kochs Adler Ag Naehmaschinen mit automatischer schmiermittelzufuehrung.
DE1785212A1 (de) * 1967-09-13 1972-01-05 Rimoldi C Spa Virginio Vorrichtung zur UEberwachung der Schmierung einer Naehmaschine
DE2928077C2 (de) * 1979-07-12 1981-04-23 Pfaff Industriemaschinen GmbH, 6750 Kaiserlautern Nähmaschine mit einer Vorrichtung zum Schmieren des Greifers
DE3707801A1 (de) * 1986-03-19 1987-10-01 Union Special Gmbh Schmiermittelkuehlvorrichtung fuer eine naehmachine
DE19643960C2 (de) 1996-10-31 1998-10-08 Duerkopp Adler Ag Schmiervorrichtung für eine Nähmaschine
DE102004018065B3 (de) 2004-04-08 2005-05-25 Dürkopp Adler AG Schmiervorrichtung für eine Nähmaschine
DE102007022050A1 (de) * 2007-05-08 2008-11-13 Pfaff Industrie Maschinen Ag Nähmaschine mit einem Schmiermittelstandsdetektor
DE102009016163A1 (de) * 2009-04-03 2010-10-14 Schaeffler Technologies Gmbh & Co. Kg Führungswagen eines Linearwälzlagers mit Schmiervorrichtung
DE102013007629B4 (de) * 2013-05-06 2016-12-15 Benz GmbH Werkzeugsysteme Einwechselaggregat mit einem Kleinmengenschmiermittelspender II

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB516016A (en) * 1937-06-22 1939-12-20 Union Special Machine Co Improvements in sewing machines
GB544016A (en) * 1939-12-30 1942-03-24 Union Special Machine Co Improvements in sewing machines
GB644242A (en) * 1947-11-12 1950-10-04 Singer Mfg Co Oil metering device for sewing machine
GB746008A (en) * 1953-06-01 1956-03-07 Singer Mfg Co Lubricating arrangement for sewing machines
DE1685010A1 (de) * 1966-02-10 1971-08-12 Singer Co Schmiereinrichtung fuer Naehmaschinen
GB1202168A (en) * 1967-09-13 1970-08-12 Rimoldi C Spa Virginio A sewing machine provided with a pressure lubrication system
JPH09299670A (ja) * 1996-05-09 1997-11-25 Juki Corp ミシンの給油機構
JPH11253682A (ja) * 1998-03-16 1999-09-21 Barudan Co Ltd ミシン
JP2005027847A (ja) * 2003-07-11 2005-02-03 Juki Corp ミシン
JP2006167035A (ja) * 2004-12-14 2006-06-29 Juki Corp ミシン
CN1854374A (zh) * 2005-04-21 2006-11-01 重机公司 缝纫机的供油装置

Also Published As

Publication number Publication date
KR102311392B1 (ko) 2021-10-12
DE102016213253A1 (de) 2018-01-25
CN107641913B (zh) 2021-11-19
JP2018011944A (ja) 2018-01-25
EP3272924B1 (fr) 2023-08-23
TW201807285A (zh) 2018-03-01
CN107641913A (zh) 2018-01-30
KR20180010158A (ko) 2018-01-30

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