GB1176629A - Improvements in or relating to a Machine Crank. - Google Patents

Improvements in or relating to a Machine Crank.

Info

Publication number
GB1176629A
GB1176629A GB5934/68A GB593468A GB1176629A GB 1176629 A GB1176629 A GB 1176629A GB 5934/68 A GB5934/68 A GB 5934/68A GB 593468 A GB593468 A GB 593468A GB 1176629 A GB1176629 A GB 1176629A
Authority
GB
United Kingdom
Prior art keywords
crank
pin
shaft
relating
plastics material
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
Application number
GB5934/68A
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.)
Mafina S A
Original Assignee
Mafina S A
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 Mafina S A filed Critical Mafina S A
Publication of GB1176629A publication Critical patent/GB1176629A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
    • F16C3/22—Cranks; Eccentrics
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B49/00—Take-up devices, e.g. levers, for the needle thread
    • D05B49/02—Take-up devices, e.g. levers, for the needle thread operated by cams or linkages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
    • F16C3/22—Cranks; Eccentrics
    • F16C3/26—Elastic crank-webs; Resiliently-mounted crank-pins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2340/00—Apparatus for treating textiles

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

1,176,629. Linkwork. MEFINA S.A. 6 Feb., 1968 [3 March, 1967], No. 5934/68. Heading F2K. A crank comprises a crank-pin 7 which is connected to a shaft 2 by an arm 8 of synthetic plastics material, preferably polyamide, the adjacent ends of the pin 7 and shaft 2 being of reduced diameter and formed with knurlings or millings to which the plastics material is applied by casting or injection. One of the ends may have a cross-section of half-moon shape. The distance between the axes of the shaft 2 and crank-pin 7 is less than the sum of their full radii. The crank may be used in a sewing machine, a cinematograph projector or a cine camera.
GB5934/68A 1967-03-03 1968-02-06 Improvements in or relating to a Machine Crank. Expired GB1176629A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH319067A CH453005A (en) 1967-03-03 1967-03-03 Crank, especially for sewing machine

Publications (1)

Publication Number Publication Date
GB1176629A true GB1176629A (en) 1970-01-07

Family

ID=4250577

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5934/68A Expired GB1176629A (en) 1967-03-03 1968-02-06 Improvements in or relating to a Machine Crank.

Country Status (6)

Country Link
BE (1) BE710346A (en)
CH (1) CH453005A (en)
DE (1) DE6601492U (en)
FR (1) FR1556492A (en)
GB (1) GB1176629A (en)
NL (1) NL6801953A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6241419A (en) * 1985-08-14 1987-02-23 Hitachi Ltd Crankshaft
DE3642116A1 (en) * 1986-12-10 1988-06-23 Agintec Ag SPRING-ELASTIC ECCENTRIC BEARING FOR DISPLACEMENT MACHINES

Also Published As

Publication number Publication date
NL6801953A (en) 1968-09-04
FR1556492A (en) 1969-02-07
BE710346A (en) 1968-06-17
DE6601492U (en) 1969-03-13
CH453005A (en) 1968-05-31

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