US1895948A - Spiral spring - Google Patents

Spiral spring Download PDF

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Publication number
US1895948A
US1895948A US515580A US51558031A US1895948A US 1895948 A US1895948 A US 1895948A US 515580 A US515580 A US 515580A US 51558031 A US51558031 A US 51558031A US 1895948 A US1895948 A US 1895948A
Authority
US
United States
Prior art keywords
spring
spiral
springs
bar
relation
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
US515580A
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English (en)
Inventor
Broek John A Van Den
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
Application filed by Individual filed Critical Individual
Priority to US515580A priority Critical patent/US1895948A/en
Priority to DEB151710D priority patent/DE559970C/de
Priority to CH162538D priority patent/CH162538A/de
Priority to GB25036/31A priority patent/GB371269A/en
Priority to FR723618D priority patent/FR723618A/fr
Application granted granted Critical
Publication of US1895948A publication Critical patent/US1895948A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • F16F1/041—Wound springs with means for modifying the spring characteristics
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/12—Driving mechanisms with mainspring with several mainsprings
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/18—Constructions for connecting the ends of the mainsprings with the barrel or the arbor

Definitions

  • Figure 1 is a view of two spiral springs curve-d in reverse directions, the outer endsAA being connected by bar B to which they are rigidly connected.
  • Figure 2 is a view of two spiral springs, curved in opposite directions, superimposed one on the other.
  • Figure 3 is a View of a single spiral spring with the outer end attached to a movable bar as hereinafter described, 1
  • a spiral spring as an elastic bar permanently curved in such a way that a point moving along it, or along its projection on a plane, would revolve about a fixed point, here called the inner end or center, while at the same time departing from that center, and of sufiioient length so that a straight line between that center and the outer curve of the bar will intersect the bar more than once.
  • the outer endof the spring I define as the point where the spiral as above defined ceases, either because of the termination of the bar itself, because of a material change in its direction, or because the spring starts to approach the center instead of de- 7 parting from it.
  • the inner end of the spring I define as the center of the spiral, regardless of whether or not the spring terminates before the center is actually reached.
  • Figure 1 of the accompany- 1ng drawing shows two spiral springs curved in reverse directions, the outer ends AA being connected bybar B, to which they are rigidly connected. If, now, these springs be simultaneously stressed b rotating the tangents to the inner ends CC in opposite directions, the radial distances AC and AC will be reduced. At the same time the connecting bar B will maintain the tangents at the points AA in'constantrelation to the radii CA and CA'.
  • FIG. 2 of the accompanying drawin is another illustration of'the application 0 my discovery.
  • two spiral springs X and Y curved in opposite directions, are superimposed one upon the other. If the innor end of spring X be held fixed, while the tangent to the inner end of spring Y be rotated, the outer end A of spring Y will be caused to move in a circular path. This point is, however, connected to the outer end A of spring X. The movement of the end A caused by the rotation of the inner end of spring Y causes a circular movement of i A, theouterend of springX.
  • the elastic resistance of spring X prevents m0 the free motion of points A and A, and causes both spring X and spring Y to change their normal shape.
  • Spiral! springs. embodying my invention have. adefiniteadva-ntage over. those not em.- bodying. it,-.in.- this. respectc-When a spiral spring. is put'under stress, either by holding the inner'end ina fixedposition and moving. the outer end-in a curvedpat'h, or by holding the outer. end in such a: way asto prevent. movement in aicurved' path androtating the tangent of? the inner. end in a curved direction, the strain-at. diiferent points: along thecurve of. the bar varies; that is to say, the stress isnot uniformly distributed through out the lengthot thebar. Vhenthisoccurs, it.
  • Pclaim 1 The. combination of a spiral spring, means for stressing said spring to produce coilingor. uncoiling. of. the. spring. while permittingthe linear. distance :between the ends of'tliespring. to. change, .andYmeans-for maintaining the. tangent tothe. curve. of. the. outer. endof the spring. in constant.relation.tothestraight line betweenit. and. the. inner. end during. such coiling; or. uncoiling; operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)
  • Vibration Dampers (AREA)
US515580A 1931-02-13 1931-02-13 Spiral spring Expired - Lifetime US1895948A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US515580A US1895948A (en) 1931-02-13 1931-02-13 Spiral spring
DEB151710D DE559970C (de) 1931-02-13 1931-08-25 Spiralfederanordnung
CH162538D CH162538A (de) 1931-02-13 1931-08-26 Spiralfederbefestigung.
GB25036/31A GB371269A (en) 1931-02-13 1931-09-07 Improvements in or relating to spiral springs and their use
FR723618D FR723618A (fr) 1931-02-13 1931-09-11 Procédé de sollicitation et d'utilisation des ressorts spiraux

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US515580A US1895948A (en) 1931-02-13 1931-02-13 Spiral spring
DEB151710D DE559970C (de) 1931-02-13 1931-08-25 Spiralfederanordnung
CH162538T 1931-08-26
GB25036/31A GB371269A (en) 1931-02-13 1931-09-07 Improvements in or relating to spiral springs and their use
FR723618T 1931-09-11

Publications (1)

Publication Number Publication Date
US1895948A true US1895948A (en) 1933-01-31

Family

ID=10221172

Family Applications (1)

Application Number Title Priority Date Filing Date
US515580A Expired - Lifetime US1895948A (en) 1931-02-13 1931-02-13 Spiral spring

Country Status (5)

Country Link
US (1) US1895948A (fr)
CH (1) CH162538A (fr)
DE (1) DE559970C (fr)
FR (1) FR723618A (fr)
GB (1) GB371269A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609192A (en) * 1949-05-28 1952-09-02 Eastern Metals Res Co Inc Coil spring and coil spring assembly, including the support for such springs
US2919500A (en) * 1956-08-21 1960-01-05 Elizabeth A Simpson Reading-training devices
US4630866A (en) * 1984-03-14 1986-12-23 Morse Controls Limited Seat recline unit
US10422398B2 (en) * 2016-12-30 2019-09-24 Korea Advanced Institute Of Science And Technology Apparatus for damping vibration

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2525308A1 (fr) * 1982-04-15 1983-10-21 Paris & Du Rhone Dispositif antivibrations pour contacteur de demarreur pour moteurs a combustion interne

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609192A (en) * 1949-05-28 1952-09-02 Eastern Metals Res Co Inc Coil spring and coil spring assembly, including the support for such springs
US2919500A (en) * 1956-08-21 1960-01-05 Elizabeth A Simpson Reading-training devices
US4630866A (en) * 1984-03-14 1986-12-23 Morse Controls Limited Seat recline unit
US10422398B2 (en) * 2016-12-30 2019-09-24 Korea Advanced Institute Of Science And Technology Apparatus for damping vibration

Also Published As

Publication number Publication date
DE559970C (de) 1932-09-27
GB371269A (en) 1932-04-21
CH162538A (de) 1933-06-30
FR723618A (fr) 1932-04-11

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