EP0085108A1 - Verfahren zum antrieb der schäfte einer schaftmaschine mit federrückzug, nockenmaschine mit federrückzug - Google Patents

Verfahren zum antrieb der schäfte einer schaftmaschine mit federrückzug, nockenmaschine mit federrückzug Download PDF

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Publication number
EP0085108A1
EP0085108A1 EP82900146A EP82900146A EP0085108A1 EP 0085108 A1 EP0085108 A1 EP 0085108A1 EP 82900146 A EP82900146 A EP 82900146A EP 82900146 A EP82900146 A EP 82900146A EP 0085108 A1 EP0085108 A1 EP 0085108A1
Authority
EP
European Patent Office
Prior art keywords
heald frame
negative
tension
machine
heald
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
EP82900146A
Other languages
English (en)
French (fr)
Other versions
EP0085108A4 (de
EP0085108B1 (de
Inventor
Hiroyuki Mizuguchi
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.)
Yamada Dobby Co Ltd
Original Assignee
Yamada Dobby Co Ltd
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 Yamada Dobby Co Ltd filed Critical Yamada Dobby Co Ltd
Publication of EP0085108A1 publication Critical patent/EP0085108A1/de
Publication of EP0085108A4 publication Critical patent/EP0085108A4/de
Application granted granted Critical
Publication of EP0085108B1 publication Critical patent/EP0085108B1/de
Expired legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00—Shedding mechanisms not otherwise provided for
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C1/00—Dobbies

Definitions

  • This invention relates to driving method for moving a heald frame up and down in negative dobby machines or negative cam machines installed to looms.
  • heald frame driving method is performed by raising the heald frame using tension of the rope and depressing it using spring restoring force.
  • this driving method for example, when spun yarn fabric is woven in refined clothing fashion, if tension of downward warp is made larger than that of upward warp, spring tension must be increased. Since the heald frame is raised against the above mentioned spring tension, large strength acts on the rope and on the negative dobby machine body or the negative cam machine body, thereby abrasion is accelerated in such part and power is lost.
  • the spring and members relating to this are disposed below the heald frame, treatment is inconvenient and workability is not favorable.
  • This invention is characterized in heald frame driving method when resilient transmission member such as rope connected to a shedding lever of negative dobby machines or cam machines i; disposed above a heald frame, wherein the resilient transmission member is engaged with the heald frame through a working lever, a connecting rod or the like, driving is effected so that the heald frame is moved downwards by tension of the resilient transmission member and upwards by restoring force of a spring, and the operating lever, connecting rod, spring and the like are arranged at lateral side or upper side of the heald frame.
  • resilient transmission member such as rope connected to a shedding lever of negative dobby machines or cam machines i; disposed above a heald frame, wherein the resilient transmission member is engaged with the heald frame through a working lever, a connecting rod or the like, driving is effected so that the heald frame is moved downwards by tension of the resilient transmission member and upwards by restoring force of a spring, and the operating lever, connecting rod, spring and the like are arranged at lateral side or upper side
  • An object of this invention is to provide heald frame driving method wherein spring tension acting on a heald frame is small when tension of downward warp is less than that of upward warp, and abrasion is small at resilient transmission member at working member such as negative dobby machine body or cam machice body.
  • Another object of this invention is to provide heald frame driving method, wherein the working lever, connecting rod and spring to engage the resilient transmission member with the heald frame are arranged at lateral side or upper side of the heald frame, and treatment and adjustment are easy.
  • Still another object of this invention is to provide heald frame driving method wherein power loss is small.
  • Fig. 1 is a schematic front view of an embodiment of tnis invention.
  • Fig. 1 shows an Embodiment of method according to this invention.
  • a negative dobby machine body 2 is mounted on the right end of upper surface of a top beam 1 of a loom, and a plurality of heald frames 11, which correspond to a plurality of shedding levers (not shown) of the negative dobby machine body 2 and have the same number as that of the shedding levers, are arranged in longitudinal direction.
  • One shedding lever is connected to two ropes 3a, 3b for one heald frame 11 corresponding thereto.
  • the top beam 1 of the loom is provided with pins projecting on leftward and rightward portions from the center of the beam, and a plurality of guide pulleys 15a, 15b corresponding to the heald frames 11 are rotatably supported by respective pins.
  • Shafts 10 project respectively on both side frames 9a, 9b of the loom at sideward portion of the heald frames 11, and a plurality of working levers 4a and 4b are pivotally supported respectively by the shafts 10 corresponding to each heald frame 11.
  • the working levers 4a and 4b are formed in lateral symmetry and provided with sector portions 5a, 5b on upper side, connecting portions 6a, 6b on inner side, and arms 7a, 7b on outer side, the rope 3a guided by the guide pulley 15a is connected to the sector portion 5a;the rope 3b guided by the guide pulley 15b is connected to the sector portion 5b.
  • Connecting rods8, 8 are joined with pins respectively to the connecting portions 6a, 6b, and each of the connecting rods 8, 8 stands upright and the bottom and thereof is pivotally connected to the heald frame 11.
  • Hooks 12, 12 are joined with pins respectively to outer ends of the arms 7a, 7b, and brackets 14a, 14b are installed below the arns 7a, 7b in opposing relation thereto.
  • the brackets 14a, 14b are attached to the side frames 9a, 9b, and two tension coil springs 13 are stretched between the hooks 12, 12 and the brackets 14a, l4b respectively.
  • tension coil spring 13 in the above mentioned embodiment may be replaced by another tension coil spring connecting the heald frame 11 with the top beam 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP82900146A 1980-12-27 1981-12-26 Verfahren zum antrieb der schäfte einer schaftmaschine mit federrückzug, nockenmaschine mit federrückzug Expired EP0085108B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP185222/80 1980-12-27
JP55185222A JPS6030767B2 (ja) 1980-12-27 1980-12-27 消極ドビ−機・消極カム機における綜絖枠駆動装置

Publications (3)

Publication Number Publication Date
EP0085108A1 true EP0085108A1 (de) 1983-08-10
EP0085108A4 EP0085108A4 (de) 1985-09-02
EP0085108B1 EP0085108B1 (de) 1989-03-15

Family

ID=16167008

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82900146A Expired EP0085108B1 (de) 1980-12-27 1981-12-26 Verfahren zum antrieb der schäfte einer schaftmaschine mit federrückzug, nockenmaschine mit federrückzug

Country Status (4)

Country Link
EP (1) EP0085108B1 (de)
JP (1) JPS6030767B2 (de)
DE (1) DE3177009D1 (de)
WO (1) WO1982002217A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102260947A (zh) * 2010-05-24 2011-11-30 株式会社丰田自动织机 织机中的梭口开口装置
CN104005141A (zh) * 2014-06-13 2014-08-27 丹阳市锦典丝绸工艺品织造有限公司 一种多臂喷水织机的上层综框起综装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59163441A (ja) * 1983-02-28 1984-09-14 村田機械株式会社 ヘルドフレ−ムの昇降装置
JPS60246840A (ja) * 1984-05-17 1985-12-06 村田機械株式会社 織機のタテ糸開口装置
JPS6430374U (de) * 1988-07-22 1989-02-23

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH509438A (de) * 1969-06-13 1971-06-30 Staeubli Ag Anhängevorrichtung für einen Webmaschinenschaft
JPS5250311A (en) * 1975-10-21 1977-04-22 Nippon Musical Instruments Mfg Manufacture of carbon or carbide plates
FR2423569A1 (fr) * 1978-04-18 1979-11-16 Staubli Sa Ets Perfectionnements aux mecanismes a cables pour la commande des cadres de lisses des metiers a tisser
EP0066655A1 (de) * 1981-06-01 1982-12-15 N.V. Weefautomaten Picanol Schaftzug für Webmaschinen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102260947A (zh) * 2010-05-24 2011-11-30 株式会社丰田自动织机 织机中的梭口开口装置
CN102260947B (zh) * 2010-05-24 2013-10-16 株式会社丰田自动织机 织机中的梭口开口装置
CN104005141A (zh) * 2014-06-13 2014-08-27 丹阳市锦典丝绸工艺品织造有限公司 一种多臂喷水织机的上层综框起综装置
CN104005141B (zh) * 2014-06-13 2015-07-22 丹阳市锦典丝绸工艺品织造有限公司 一种多臂喷水织机的上层综框起综装置

Also Published As

Publication number Publication date
JPS6030767B2 (ja) 1985-07-18
DE3177009D1 (en) 1989-04-20
WO1982002217A1 (en) 1982-07-08
EP0085108A4 (de) 1985-09-02
EP0085108B1 (de) 1989-03-15
JPS57112430A (en) 1982-07-13

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