FR2364370A1 - Torsion spring for mounting trailer wheels - has rubber between shaft and tube made in halves to enable assembly - Google Patents

Torsion spring for mounting trailer wheels - has rubber between shaft and tube made in halves to enable assembly

Info

Publication number
FR2364370A1
FR2364370A1 FR7727519A FR7727519A FR2364370A1 FR 2364370 A1 FR2364370 A1 FR 2364370A1 FR 7727519 A FR7727519 A FR 7727519A FR 7727519 A FR7727519 A FR 7727519A FR 2364370 A1 FR2364370 A1 FR 2364370A1
Authority
FR
France
Prior art keywords
shaft
halves
torsion spring
rubber
rods
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
FR7727519A
Other languages
French (fr)
Other versions
FR2364370B3 (en
Inventor
Harry Sylvester Bradley
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.)
Bradley Trailer Equip H & K
Original Assignee
Bradley Trailer Equip H & K
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 Bradley Trailer Equip H & K filed Critical Bradley Trailer Equip H & K
Publication of FR2364370A1 publication Critical patent/FR2364370A1/en
Application granted granted Critical
Publication of FR2364370B3 publication Critical patent/FR2364370B3/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/22—Resilient suspensions characterised by arrangement, location or kind of springs having rubber springs only
    • B60G11/225—Neidhart type rubber springs
    • 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
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/42—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing
    • F16F1/52—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded in combined stresses
    • F16F1/54—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded in combined stresses loaded in compression and shear
    • F16F1/545—Neidhart-type rubber springs
    • 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
    • F16F2236/00—Mode of stressing of basic spring or damper elements or devices incorporating such elements
    • F16F2236/12—Mode of stressing of basic spring or damper elements or devices incorporating such elements loaded in combined stresses
    • F16F2236/123—Mode of stressing of basic spring or damper elements or devices incorporating such elements loaded in combined stresses loaded in compression and shear
    • F16F2236/126—Neidhart-type rubber springs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Vibration Prevention Devices (AREA)
  • Springs (AREA)

Abstract

The torsion spring e.g.g for mounting trailer wheels has rubber rods (22, 24, 26, 28) in a state of transverse compression between a shaft (16) and an outer tube (18, 28). The tube is of non-circular section and is made in axially split halves (18, 20) so that the rods can be placed into position in the tube before the halves are joined. The rods are placed lengthwise into corners of the e.g. square section tube. The shaft has lobes lying between the elements so that when the shaft is turned the elements provide torsional resistance. This avoids the need for axial insertion of the rods.
FR7727519A 1976-09-11 1977-09-02 Torsion spring for mounting trailer wheels - has rubber between shaft and tube made in halves to enable assembly Granted FR2364370A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3772876 1976-09-11

Publications (2)

Publication Number Publication Date
FR2364370A1 true FR2364370A1 (en) 1978-04-07
FR2364370B3 FR2364370B3 (en) 1980-06-06

Family

ID=10398616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7727519A Granted FR2364370A1 (en) 1976-09-11 1977-09-02 Torsion spring for mounting trailer wheels - has rubber between shaft and tube made in halves to enable assembly

Country Status (3)

Country Link
DE (1) DE2740890A1 (en)
FR (1) FR2364370A1 (en)
SE (1) SE7709886L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8418129D0 (en) * 1984-07-17 1984-08-22 Simpson C Suspension and shock absorber unit
SE8602642D0 (en) * 1986-06-12 1986-06-12 Cerac Inst Sa A FLUID PUMP
DE9011498U1 (en) * 1990-08-07 1990-10-11 Al-Ko Kober Ag, 8871 Koetz, De
US5277450A (en) * 1992-07-07 1994-01-11 Henschen Curtiss W Multiple stage torsion axle
US6003888A (en) * 1996-08-05 1999-12-21 Godbersen; Byron L. Pontoon boat center lift trailer axle assembly

Also Published As

Publication number Publication date
SE7709886L (en) 1978-03-12
DE2740890A1 (en) 1978-03-16
FR2364370B3 (en) 1980-06-06

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Legal Events

Date Code Title Description
ST Notification of lapse