EP0633854A1 - Dispositif pour changer la position de conduite sur un vehicule a deux roues - Google Patents

Dispositif pour changer la position de conduite sur un vehicule a deux roues

Info

Publication number
EP0633854A1
EP0633854A1 EP93911538A EP93911538A EP0633854A1 EP 0633854 A1 EP0633854 A1 EP 0633854A1 EP 93911538 A EP93911538 A EP 93911538A EP 93911538 A EP93911538 A EP 93911538A EP 0633854 A1 EP0633854 A1 EP 0633854A1
Authority
EP
European Patent Office
Prior art keywords
saddle
handlebar
sleeve supporting
sleeves
frame
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.)
Ceased
Application number
EP93911538A
Other languages
German (de)
English (en)
Inventor
Elio Iacono
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
Publication of EP0633854A1 publication Critical patent/EP0633854A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K19/00—Cycle frames
    • B62K19/30—Frame parts shaped to receive other cycle parts or accessories
    • B62K19/36—Frame parts shaped to receive other cycle parts or accessories for attaching saddle pillars, e.g. adjustable during ride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K21/00—Steering devices
    • B62K21/12—Handlebars; Handlebar stems
    • B62K21/16—Handlebars; Handlebar stems having adjustable parts therein

Definitions

  • the present invention relates to the field of the two-wheel vehicles, in particular to bicycles. More specifically this invention concerns a device for changing the riding position as a function of the slope of the road in case both of paved roads and unpaved roads.
  • the bicycle is a widespread means of locomotion and recreation and has been improved over the years.
  • the innovations and improvements have not modified the basic structure, i.e. a two-wheel means driven by leg muscle strength.
  • the bicycle in fact does not offer the cyclist any particular driving difficulty both on flat and regular terrain. Under such conditions the position of the whole bicycle-cyclist is sufficiently stable; the centre of gravity of such whole is well centered with respect to the two supports, i.e. the contact points between wheels and ground; and the weight of the cyclist is uniformly distributed on the two wheels.
  • the present invention seeks to overcome in a functional and effective way the problem mentioned above by means of a device of simple mechanical design and reliable operation which can be provided both upon manufacturing the bicycles and under the form of a kit ready for assembling and installing on already existing bicycles.
  • a device is provided to make both handlebar and saddle movable with respect to the frame of the bicycle, the two movements being correlated to each other so that the raising of the saddle corresponds to the lowering of the handlebar and viceversa.
  • the cyclist can control such movements by blocking and releasing the device so as to modify at will his riding position whenever he likes it.
  • the paths of saddle and handlebar can also be different.
  • Fig. 1 shows schematically the device in the oleodynamic embodiment
  • Fig. 2 shows a merely mechanical embodiment
  • Fig. 3 shows the angular position of the sleeve supporting the saddle with respect to the vertical in conventional bicycles
  • Fig. 4 shows a positive angular position of the sleeve supporting the saddle with respect to the vertical
  • Figs. 5 and 6 show the equilibrium of the weights in a conventional bicycle in a descent and in a hill, respectively;
  • Figs. 7 and 8 are views similar to Figs. 5 and 6 which show the riding position and the equilibrium of the weight of a bicycle provided with the device according to the invention;
  • Fig. 9 show an embodiment provided with a shock absorber
  • Fig. 10 shows an embodiment which provides at the same time different paths of the two sleeves relative to the saddle and the handlebar; - -
  • Fig. 11 shows the device of the invention applied to the already existing bicycles.
  • both sleeve 10 supporting the saddle and stem 11 of the handlebar can slide in their respective housings; chamber 12 and chamber 13 of the frame are completely filled with oil and the passage of oil from one chamber to the other is subjected to the opening of gate valve or cock 14.
  • gate valve or cock 14 When facing a hill, the cyclist turns the cock 14 and causes the handlebar to lower and the saddle to raise by standing on the pedals and pressing the handlebar until the desired position is reached.
  • the whole assembly is blocked in its position because of the incompressibility of the oil until it is operated again.
  • the frame should be designed so as to allow the sleeve 10 supporting the saddle to slide along a direction forming a positive (instead of negative) angle with the vertical. This can be achieved by constructing sleeve 10 so as to be introduced in a tubular column 21 in line with the back fork 22 (see Fig. 4). If necessary, it can be made in a split form to increase the sliding range allowed in the two vertical sleeves. The same split can also be made in the stem supporting the handlebar.
  • the invention allows the object of maintaining an optimum riding position on the bicycle to be achieved by the positive angle of the sleeve supporting the saddle even in case of variation of the characteristics of the road.
  • FIG. 2 A mechanical embodiment is shown in Fig. 2.
  • an oscillating arm 15 pivoted at the frame supports at one end the saddle 16 and at the other end a collar 17 in which the sleeve 18 of the handlebar can rotate without sliding and can slide without rotating in a suitable casing 19 integral with the fore fork.
  • a mechanical blocking and releasing device formed of a manual control lever 20 which can be provided on the handlebar allows the riding position to be varied and fixed at will.
  • the springing effect can be provided by a simple construction arrangement relative to the sleeves supporting the saddle and the handlebar which can slide in the respective columns, as shown in Fig. 9.
  • Sleeve 23 includes a chamber 24 closed by an air-tight sliding plunger 25.
  • Such chamber 24 is filled with compressed air through valve 26, and spring 27 opposes the sliding of the plunger outwards.
  • the saddle (or the handlebar) mounted on such sleeve is protected from impacts and jumps by a compressed air cushion between the saddle or the handlebar and the frame.
  • the spring suspension can be adjusted to be harder or softer by suitably regulating the amount of air let into chamber 24 through the above-mentioned valve 26. It should be noted that the movements of the saddle and the handlebar made at the same time but in opposite directions should not be necessarily the same.
  • the travels of saddle and handlebar are only proportional to the distance of such elements from the fulcrum of their motions.
  • the travel of one element can be as much as possible reduced to zero, and the travel of the other element can be increased accordingly.
  • Fig. 11 there is shown the oleodynamic embodiment consisting of a kit which can be applied to a conventional, already existing bicycle.
  • the existing sleeve supporting the saddle and the sleeve supporting the handlebar are replaced by two different elements 10 and 11, respectively, which are manufactured according to the above-mentioned criteria and connected to each other by a hose 28 in which the described blocking and releasing device 14 is provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

Un dispositif pour changer la position de conduite sur des véhicules à deux roues comprend un moyen de commande (20) pour déplacer la selle (16) et le guidon (18) en même temps dans des directions opposées en fonction de la pente montante ou descendante de la route, de manière à conserver horizontal le plan de support du cycliste, c'est-à-dire le plan passant par la selle et par le guidon.
EP93911538A 1992-04-10 1993-04-09 Dispositif pour changer la position de conduite sur un vehicule a deux roues Ceased EP0633854A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITRM920026 1992-04-10
ITRM920268A IT1254000B (it) 1992-04-10 1992-04-10 Dispositivo per variare l'assetto di guida nei veicoli a due ruote.
PCT/IT1993/000032 WO1993021056A1 (fr) 1992-04-10 1993-04-09 Dispositif pour changer la position de conduite sur un vehicule a deux roues

Publications (1)

Publication Number Publication Date
EP0633854A1 true EP0633854A1 (fr) 1995-01-18

Family

ID=11400942

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93911538A Ceased EP0633854A1 (fr) 1992-04-10 1993-04-09 Dispositif pour changer la position de conduite sur un vehicule a deux roues

Country Status (3)

Country Link
EP (1) EP0633854A1 (fr)
IT (1) IT1254000B (fr)
WO (1) WO1993021056A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4334392C2 (de) * 1993-10-08 1996-02-08 Anton Feger Fahrrad
DE4407471C2 (de) * 1994-02-22 2001-03-29 Horst Weiden Verstellbarer Rahmen für ein Fahrrad oder ein Fahrradergometer
DE20022708U1 (de) 2000-03-20 2002-02-28 Albrecht Stephan Fahrrad
DE20005224U1 (de) * 2000-03-20 2001-07-05 Albrecht Stephan Fahrrad
US7182358B2 (en) 2001-07-06 2007-02-27 Andreas Felsl Bicycle
DE10242945B4 (de) * 2002-09-16 2006-08-03 Ulrich Bahr Fahrrad
KR101132943B1 (ko) 2009-08-12 2012-04-05 홍상욱 수평조절기능자전거
ITMI20091606A1 (it) * 2009-09-21 2011-03-22 Lucio Malagnini Telaio per ciclo ad assetto variato.
CN107054520B (zh) * 2017-05-11 2019-11-08 诸暨市火鸟工业设计工作室 自行车及其骑行过程中座垫调节方法
CN107054519B (zh) * 2017-05-11 2019-11-05 胡海明 一种自行车及其骑行过程中座垫调节方法
CN108482559A (zh) * 2018-05-25 2018-09-04 张学田 自行车气控伸缩把
IT201900019151A1 (it) * 2019-10-17 2021-04-17 Dino Lorenzetti Bicicletta con telaio perfezionato

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE101896C (fr) *
DE250066C (fr) *
JPS5016247A (fr) * 1973-06-18 1975-02-20
DE3420862A1 (de) * 1984-06-05 1985-12-05 Helmut 6638 Dillingen Mischler Federndes zwischenstueck fuer zweirad-saettel oder -lenker
FR2671324B1 (fr) * 1991-01-04 1993-03-12 Mazzoli Eric Dispositif permettant de modifier la position d'un cycliste tout en roulant.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9321056A1 *

Also Published As

Publication number Publication date
ITRM920268A1 (it) 1993-10-10
IT1254000B (it) 1995-09-05
ITRM920268A0 (it) 1992-04-10
WO1993021056A1 (fr) 1993-10-28

Similar Documents

Publication Publication Date Title
US6450521B1 (en) Suspension system for a vehicle
US9376162B2 (en) Bicycle rear wheel suspension system
US10457348B2 (en) Bicycle rear suspension
CA2538467C (fr) Bicyclette a suspension arriere
US6843494B2 (en) Rear suspension system for two-wheeled vehicles, particularly bicycles
US5299820A (en) Bicycle front suspension
EP2196386B1 (fr) Véhicule de type motocyclette
US6203042B1 (en) Bicycle rear suspension system providing relative rearward motion of rear axle
US5671936A (en) Shock absorbing bicycle frame apparatus
US9845132B2 (en) Mountain bicycle with rear suspension having neutral braking trajectory
EP0633854A1 (fr) Dispositif pour changer la position de conduite sur un vehicule a deux roues
US20150115569A1 (en) Bicycle rear suspension with a two axis wheel path
WO1999061303A1 (fr) Tricycle a suspension arriere hydropneumatique independante
EP1551693A1 (fr) Bicyclette a selle et pedales a orientation reglable par rapport au guidon
US20050066766A1 (en) Handlebar mount shock absorber structure
US20200122803A1 (en) Tricycle with dual steering handlebars
GB2284395A (en) Resilient cycle saddle mounting
KR790001704B1 (ko) 완충 자전거

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19941103

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT CH DE ES FR GB LI

17Q First examination report despatched

Effective date: 19950328

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 19960908