WO2000048848A1 - Roue, particulierement pour vehicule de jardin, et utilisation de cette roue - Google Patents

Roue, particulierement pour vehicule de jardin, et utilisation de cette roue Download PDF

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Publication number
WO2000048848A1
WO2000048848A1 PCT/SE1999/000220 SE9900220W WO0048848A1 WO 2000048848 A1 WO2000048848 A1 WO 2000048848A1 SE 9900220 W SE9900220 W SE 9900220W WO 0048848 A1 WO0048848 A1 WO 0048848A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel
tread
hub
vehicle
elastic coupling
Prior art date
Application number
PCT/SE1999/000220
Other languages
English (en)
Inventor
Kjell Lundgren
Original Assignee
Kjell Lundgren
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 to SE9703890A priority Critical patent/SE510687C2/sv
Application filed by Kjell Lundgren filed Critical Kjell Lundgren
Priority to EP99917271A priority patent/EP1152908A1/fr
Priority to PCT/SE1999/000220 priority patent/WO2000048848A1/fr
Priority to AU35429/99A priority patent/AU3542999A/en
Publication of WO2000048848A1 publication Critical patent/WO2000048848A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B9/00—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
    • B60B9/02—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces using springs resiliently mounted bicycle rims
    • B60B9/10—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces using springs resiliently mounted bicycle rims of rubber or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B9/00—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
    • B60B9/02—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces using springs resiliently mounted bicycle rims

Definitions

  • a WHEEL ESPECIALLY FOR A GARDEN VEHICLE, AS WELL AS THE USE OF SUCH A WHEEL
  • the invention relates to a wheel, especially to a garden vehicle wheel, of the kind defined in the preamble of Claim 1.
  • one object of the invention is to reduce the risk of a roller of a vehicle of the aforesaid kind leaving tracks in a ground surface being rolled, and also to reduce the risk of the vehicle wheels leaving troublesome tracks in a lawn on a ground surface and in a ground surface to be rolled.
  • a wheel which is particularly well suited for a four-wheel motorcycle or like vehicle, so as to enable the vehicle to run gently and sensitively over established lawns or over ground surfaces on which top-soil has been lain, without risk of troublesome tracks being formed. This achieved as a result of the special construction of the inventive wheel.
  • a four-wheel vehicle of the aforedefined kind will have a total weight of about 240 kg, including the weight of the driver. Each wheel will then transfer a load of about 60 kg to the underlying surface.
  • the width of the lattice or open- mesh drum is of the order of 40 cm and its diameter is roughly 80 cm.
  • the wheel can be subjected to a drive torque in a vertical plane that contains the wheel axle, in the proximity of 100 N .
  • the elastic coupling means of the wheel shall be adapted to generate an angular position of at least 1:20 between the tread axis and the hub axle.
  • Fig. 1 is a side view of an inventive wheel.
  • Fig. 2 is an axial sectional view taken on the line II-II in Fig. 1.
  • Fig. 3 is a schematic illustration of the wheel with an angular setting between the axis of the wheel tread and the hub- axle.
  • Figs. 1 and 2 illustrate a wheel which includes a circular- cylindrical lattice tread 2 which is provided on its inside with angularly separated bars 3 that distribute load generally in an axial direction.
  • the wheel also includes a hub 4 which is coaxial with the tread 2 and which carries elastic coupling elements 5.
  • Spokes 6 extend generally radially between the coupling elements 5 and the load distributing bars, so as to support the hub 4 coaxially with the tread 2.
  • the elastic coupling elements 5 may comprise rubber blocks.
  • the hub 4 has the form of an annular flange 41 which is placed in the centre plane of the tread 2 and provided with bolt holes 42.
  • a shaft 7 of a four-wheel drive motorcycle carries a connecting shield 71 with bolt holes or bolts 72 for coaxial connection with the shield 71 of the hub flange 41.
  • the wheel can be considered to be subjected to a load corresponding to a quarter of the total weight of the vehicle including the weight of the driver.
  • a reaction force from the underlying surface on the inventive wheel can cause the wheel tread 2 to rotate so that its axis X2 is swung in a vertical plane that also contains the geometric axis XI of the vehicle drive shaft 7.
  • This relative swinging movement in the vertical plane between the axes XI , X2 is permitted by virtue of the coupling devices 5 being elastically resilient.
  • the elastic resiliency of the coupling devices is chosen so that the angular setting will be at least 1:20 with respect to the maximum torque that can occur in the described loading situation.
  • a:b shall be ⁇ 120.
  • a :b will preferably at least equal 1:10.
  • the vertical load acting from the shaft 7 on the wheel may be about 60 kg in one embodiment, wherewith the torque in the plane of Fig. 3 around the intersection point Z between axes XI, X2 in the plane of the wheel flange 41 will be about 100 mm when the diameter is 80 cm and a :b is 1:20.
  • the elastic coupling devices 5 shall then be dimensioned to establish this relationship.
  • the invention thus provides a wheel that has a very high tilting capacity in the axial plane, this large tilting capacity constituting the condition that enables the wheel to run on a sensitive underlying surface of varying undulation or inclination, without the edge parts of the tread leaving troublesome tracks in a soft and sensitive underlying surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

La présente invention concerne une roue de véhicule conçue pour rouler sur des surfaces fragiles, telles que les pelouses ou les surfaces du sol devant être semées de graines de gazon et/ou aplanies. Cette roue comprend un moyeu (4), une bande de roulement (2) généralement coaxiale au moyeu (4), et un dispositif de couplage élastique (5, 6) situé entre le moyeu (4) et la bande de roulement (2). La bande de roulement (2) à la forme d'une structure à treillis rigide cylindrique et circulaire. Le dispositif de couplage élastique (5, 6) est conçu pour permettre un réglage angulaire d'au moins 1:20 entre l'axe de la bande de roulement et l'axe du moyeu dans un plan vertical, selon un transfert de charge verticale nominal du véhicule au centre (Z) de la roue. Par ailleurs, cette invention concerne l'utilisation d'une telle roue.
PCT/SE1999/000220 1997-10-24 1999-02-18 Roue, particulierement pour vehicule de jardin, et utilisation de cette roue WO2000048848A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9703890A SE510687C2 (sv) 1997-10-24 1997-10-24 Hjul, speciellt för ett trädgårdsfordon samt användning av ett sådant hjul
EP99917271A EP1152908A1 (fr) 1999-02-18 1999-02-18 Roue, particulierement pour vehicule de jardin, et utilisation de cette roue
PCT/SE1999/000220 WO2000048848A1 (fr) 1997-10-24 1999-02-18 Roue, particulierement pour vehicule de jardin, et utilisation de cette roue
AU35429/99A AU3542999A (en) 1999-02-18 1999-02-18 A wheel, especially for a garden vehicle, as well as the use of such a wheel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9703890A SE510687C2 (sv) 1997-10-24 1997-10-24 Hjul, speciellt för ett trädgårdsfordon samt användning av ett sådant hjul
PCT/SE1999/000220 WO2000048848A1 (fr) 1997-10-24 1999-02-18 Roue, particulierement pour vehicule de jardin, et utilisation de cette roue

Publications (1)

Publication Number Publication Date
WO2000048848A1 true WO2000048848A1 (fr) 2000-08-24

Family

ID=26663112

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1999/000220 WO2000048848A1 (fr) 1997-10-24 1999-02-18 Roue, particulierement pour vehicule de jardin, et utilisation de cette roue

Country Status (2)

Country Link
SE (1) SE510687C2 (fr)
WO (1) WO2000048848A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110402649B (zh) * 2019-08-20 2020-09-01 江西省炎伟丞实业有限公司 一种园林种植用草籽播种装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1629715A (en) * 1921-08-19 1927-05-24 Lenhardt Fritz Resilient wheel
FR1348608A (fr) * 1962-12-01 1964-01-10 Metalastik Ltd Roue élastique
FR2519910A1 (fr) * 1982-01-19 1983-07-22 Ouest Cie Produits Ind Roue a suspension centrale integree
FR2676397A1 (fr) * 1991-05-15 1992-11-20 Berges Louis Roue a suspension integree absorbant l'energie de deformation.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1629715A (en) * 1921-08-19 1927-05-24 Lenhardt Fritz Resilient wheel
FR1348608A (fr) * 1962-12-01 1964-01-10 Metalastik Ltd Roue élastique
FR2519910A1 (fr) * 1982-01-19 1983-07-22 Ouest Cie Produits Ind Roue a suspension centrale integree
FR2676397A1 (fr) * 1991-05-15 1992-11-20 Berges Louis Roue a suspension integree absorbant l'energie de deformation.

Also Published As

Publication number Publication date
SE510687C2 (sv) 1999-06-14
SE9703890D0 (sv) 1997-10-24
SE9703890L (sv) 1999-04-25

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