DE69527103D1 - Loop catcher and sewing process - Google Patents

Loop catcher and sewing process

Info

Publication number
DE69527103D1
DE69527103D1 DE69527103T DE69527103T DE69527103D1 DE 69527103 D1 DE69527103 D1 DE 69527103D1 DE 69527103 T DE69527103 T DE 69527103T DE 69527103 T DE69527103 T DE 69527103T DE 69527103 D1 DE69527103 D1 DE 69527103D1
Authority
DE
Germany
Prior art keywords
hook
bearing rib
cases
surface layer
machine oil
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.)
Expired - Lifetime
Application number
DE69527103T
Other languages
German (de)
Other versions
DE69527103T2 (en
Inventor
Tokuzo C O Hirose
Kiyoshi C O Nakamura
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.)
Hirose Manufacturing Co Ltd
Original Assignee
Hirose Manufacturing 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
Priority claimed from JP6026985A external-priority patent/JPH07231992A/en
Priority claimed from JP6246592A external-priority patent/JP3014021B2/en
Application filed by Hirose Manufacturing Co Ltd filed Critical Hirose Manufacturing Co Ltd
Application granted granted Critical
Publication of DE69527103D1 publication Critical patent/DE69527103D1/en
Publication of DE69527103T2 publication Critical patent/DE69527103T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B57/00—Loop takers, e.g. loopers
    • D05B57/08—Loop takers, e.g. loopers for lock-stitch sewing machines
    • D05B57/10—Shuttles
    • D05B57/16—Shuttles with bobbin casings guided in tracks
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B57/00—Loop takers, e.g. loopers
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B57/00—Loop takers, e.g. loopers
    • D05B57/08—Loop takers, e.g. loopers for lock-stitch sewing machines
    • D05B57/10—Shuttles

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Detergent Compositions (AREA)

Abstract

In rotary hook assemblies (101) and oscillating shuttle hook assemblies (321), a bearing rib (108,325) on a bobbin case basket (106, 311) or at least its surface layer (217, 324) is composed of a synthetic resin such as a liquid crystal polymer, which has such properties that the amount of the rotating frictional force of the slide contact portion, between the surface layer (217, 324) of the bearing rib (108, 325) and the inside circumference layer (326) of the groove shaped bearing raceway (128, 322) where the bearing rib (108, 325) is fitted, is lower in cases without industrial sewing machine oil than in other cases with the industrial sewing machine oil. By this construction, the hook assembly (101, 321) which has the good durability of the rotating portion without any hook lubrication is realized. Accordingly, the oil stains of threads and sewing materials by hook lubricant is disappeared and the sewing quality enhances. <IMAGE>
DE69527103T 1994-02-24 1995-02-23 Loop catcher and sewing process Expired - Lifetime DE69527103T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6026985A JPH07231992A (en) 1994-02-24 1994-02-24 Full-rotating bobbin case
JP6246592A JP3014021B2 (en) 1994-10-12 1994-10-12 Oil-free full-rotary kettle of industrial sewing machine

Publications (2)

Publication Number Publication Date
DE69527103D1 true DE69527103D1 (en) 2002-07-25
DE69527103T2 DE69527103T2 (en) 2003-01-16

Family

ID=26364851

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69527103T Expired - Lifetime DE69527103T2 (en) 1994-02-24 1995-02-23 Loop catcher and sewing process

Country Status (6)

Country Link
EP (1) EP0669415B1 (en)
KR (1) KR0121874B1 (en)
CN (1) CN1042155C (en)
AT (1) ATE219533T1 (en)
DE (1) DE69527103T2 (en)
TW (1) TW316935B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19983955B8 (en) * 1999-05-28 2009-12-10 Hirose Manufacturing Co. Ltd. Circumferential gripper
JP4502788B2 (en) * 2004-11-24 2010-07-14 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー Horizontal rotary hook
KR101484935B1 (en) * 2014-01-03 2015-01-22 (주)신진스틸 Loop expansion device for sewing machine
CN104060412B (en) * 2014-04-28 2016-03-16 宁波市鄞州勇耀缝制机械有限公司 The interior shuttle of sewing-machine rotating shuttle and manufacturing technique thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2348718A (en) * 1942-03-21 1944-05-16 Samuel A Bethune Shuttle case bearing
NL107894C (en) * 1952-03-26
DE1017894B (en) * 1954-08-18 1957-10-17 Phoenix Naehmaschinen A G Baer Gripper arrangement for freely running grippers for sewing machines
JPS6064777U (en) * 1983-10-13 1985-05-08 ブラザー工業株式会社 Inner pot of full-rotation pot
JPS60149388U (en) * 1984-03-14 1985-10-03 ジャガー株式会社 sewing machine pot
JPS6170075A (en) * 1984-09-12 1986-04-10 水島　繁三郎 Shape memory silk yarn and its production

Also Published As

Publication number Publication date
EP0669415A1 (en) 1995-08-30
TW316935B (en) 1997-10-01
CN1124794A (en) 1996-06-19
DE69527103T2 (en) 2003-01-16
ATE219533T1 (en) 2002-07-15
KR950025132A (en) 1995-09-15
CN1042155C (en) 1999-02-17
KR0121874B1 (en) 1997-11-18
EP0669415B1 (en) 2002-06-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition