GB943467A - Coil springs - Google Patents

Coil springs

Info

Publication number
GB943467A
GB943467A GB23994/63A GB2399463A GB943467A GB 943467 A GB943467 A GB 943467A GB 23994/63 A GB23994/63 A GB 23994/63A GB 2399463 A GB2399463 A GB 2399463A GB 943467 A GB943467 A GB 943467A
Authority
GB
United Kingdom
Prior art keywords
band
transversely
coil
coil spring
arcuate form
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
GB23994/63A
Inventor
Edwin Earl Foster
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.)
Individual
Original Assignee
Individual
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 US775490A external-priority patent/US2956795A/en
Application filed by Individual filed Critical Individual
Priority to GB23994/63A priority Critical patent/GB943467A/en
Publication of GB943467A publication Critical patent/GB943467A/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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04—Wound springs
    • F16F1/10—Spiral springs with turns lying substantially in plane surfaces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/10—Measuring tapes
    • G01B3/1003—Measuring tapes characterised by structure or material; characterised by layout or indicia
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/10—Measuring tapes
    • G01B3/1005—Means for controlling winding or unwinding of tapes
    • G01B2003/1023—Winding mechanisms
    • G01B2003/103—Winding mechanisms operated by springs
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/10—Measuring tapes
    • G01B2003/1058—Manufacturing or assembling methods

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)

Abstract

943,467. Coil springs. J. B. TIGRETT. Nov. 19, 1959, No. 23994/63. Divided out of 940,982. Heading F2S. A coil spring is made by prestressing a band of material transversely so that it tends to assume a transversely arcuate form having a convex and concave face and also by prestressing the band longitudinally so that it tends to form a coil, the inner surface of which is the convex face. In one coil spring made by this method, the transversely arcuate form precisely counteracts a natural cross-curvature imparted by the longitudinal stressing so that the band is flat. In another coil spring made by this method, the band is prestressed longitudinally and transversely in the same operation by pulling it over a die with a cross-curvature so that the marginal portions of the ribbon 78 are stretched more than the centre portion. As a result the coil 76 assumes the transversely arcuate form shown both when coiled and extended.
GB23994/63A 1958-11-21 1959-11-19 Coil springs Expired GB943467A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB23994/63A GB943467A (en) 1958-11-21 1959-11-19 Coil springs

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US775490A US2956795A (en) 1958-11-21 1958-11-21 Spring
GB23994/63A GB943467A (en) 1958-11-21 1959-11-19 Coil springs

Publications (1)

Publication Number Publication Date
GB943467A true GB943467A (en) 1963-12-04

Family

ID=26256829

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23994/63A Expired GB943467A (en) 1958-11-21 1959-11-19 Coil springs

Country Status (1)

Country Link
GB (1) GB943467A (en)

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