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
  • B62K25/00—Axle suspensions
  • B62K25/005—Axle suspensions characterised by the axle being supported at one end only
• • 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
  • B62K15/00—Collapsible or foldable cycles
  • B62K15/006—Collapsible or foldable cycles the frame being foldable
• • 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
  • B62K21/02—Front wheel forks or equivalent, e.g. single tine
• • 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
  • B62K25/00—Axle suspensions
  • B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
  • B62K25/06—Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms
  • B62K25/08—Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms for front wheel

Definitions

• Present invention relates to a one-sided spring-loaded arm for the front wheel of a bicycle.
• the patent DE 43 13 832 Al is concerned with folding the front wheel of a folding bicycle.
• the front wheel folded by means of a hinge which is located at one of the fork arms.
• On the hinge there is a further auxiliary arm, to which is the front wheel attached.
• the upper part of the auxiliary arm with the wheel is detached from the supporting arm and turned around the hinge towards the back wheel.
• a disadvantage of this solution consists in the fact that the wheel is attached to two arms, dimensions of the folded bicycle being too large in comparison with small wheel diameters.
• the front wheel according to the patent B 62 K 15/00 Al (Intern. Publ. Number WO 85/01711) is folded into a case also using a hinge which is mounted on the front fork. After having detached an auxiliary fork the wheel is turned forward together with the auxiliary fork and then it is turned towards the back wheel together with the handlebars around the axis of the steering.
• the disadvantages are an ergonomically unsuitable solution of the bicycle, unsprung wheels, large dimensions of the folded bicycle in comparison with small wheels of the bicycle.
• the US patent 4,830,133 solves folding of a moped by tilting the front wheel in such a way that the whole front telescopic fork together with the wheel is tilted.
• the tilting is enabled by a pivot, which is located in the area of the upper mounting of the fork in the frame. After releasing a safety bolt the wheel with the fork is detached and tilted backwards to the back wheel.
• a disadvantage of the solution consists in great dimensions of the. folded moped despite its small wheels.
• the bicycle is folded into a case.
• the front wheel is not spring-loaded and it is tilted together with the front fork around a pivot, which is located just under the head assembly at the axis of the steering. After releasing the pivot, the fork together with the wheel is tilted to the back wheel.
• a disadvantage is again the great dimensions of the folded bicycle despite small wheels of the bicycle and, moreover, the bicycle has an unsprung wheel.
• a one-sided spring-loaded arm for the front wheel of a bicycle the nature of which consists in that it consists of two parts (1) and (2), of which one is springing, and further, one of them is adapted to attach the front wheel of a bicycle and the other is adapted to be attached to the handlebar system of the bicycle.
• Part (2) which is adapted to attach the front wheel, is joined with part (1) slidingly in the direction of the longitudinal axis of this part (1) as well as pivotaliy around this axis.
• Part (2) which is adapted to attach the front wheel, is joined with part (1), which is adapted to be attached to the handlebar system of the bicycle, with a possibility to fix its position, as well as tiltably around an axis of tilt, which is lying in a plane transverse to the longitudinal axis of part (1), which is adapted to be attached to the handlebar system of the bicycle.
• Part (2) which is adapted to attach the front wheel of a bicycle, comprises a telescopic part (2.1) and it may be springing.
• the telescopic part is terminated with a pivotaliy arranged auxiliary member (2.2).
• the telescopic part (2.1) and the auxiliary member (2.2) are slidingly and pivotaliy an-anged and are positionally fixable in a longitudinal opening in part (1), which is adapted to be attached to the handlebar system of the bicycle.
• Part (1) which is adapted to be attached to the handlebar system of the bicycle, comprises a supporting part (1.1) and it may be springing.
• the supporting part (1.1) is slidingly and pivotaliy and positionally fixable in part (2), which is adapted to attach the front wheel of the bicycle.
• the tiltable connection between the auxiliaiy member (2.2) and part (2) of the fork, which is adapted to attach the front wheel of the bicycle, is positionally fixable.
• the rotatable part is mounted on one of the sides of the springing part, which is connected with the auxiliary member (2.2), and its distance from the longitudinal rotation axis of the front wheel is from 150 to 400 mm.
• the springing part can be folded around the rotatable part to the lateral or back side of the non-springing part.
• the rotatable part is preferably a pivot.
• the main advantage of the one-sided spring-loaded arm of the front wheel of a bicycle consists in that it allows to fold the front wheel with a diameter from 300 to 800 mm.
• Such a solution of the one-sided spring-loaded arm of the front wheel of a bicycle is preferred especially for folding bicycles, which are described in PV 1621- 99, according to which bicycles of any type, those from the bicycles for children to the bicycles for adults, also with classical wheel diameters, can be folded into a square, which represents the wheel diameter or the diameter of the wheel with a mudguard.
• a further advantage of the object arm is the fact that folding the bicycle and its unfolding to the mobile condition is quick, simple, and it does require neither any expert knowledge nor any tools.
• Fig. 1 shows a front view of the one-sided spring-loaded arm with a wheel
• Fig. 2 shows a side view of the one-sided spring-loaded arm with a wheel with an indication of the springing direction.
• Fig. 3 shows a side view displaying the extended springing part, which is adapted to attach the front wheel, with the tilting direction indicated.
• Fig. 4 shows a side view and Fig. 5 shows a front view of the tilted one-sided arm with the front wheel.
• Fig. 6 shows a front view and Fig. 7 shows a side view of the one-sided arm with the springing part, which is adapted to be attached to the handlebar system of the bicycle and with the rotatable part mounted on its lateral side.
• Fig. 8 shows the extended part, which is adapted to be attached to the handlebar system of the bicycle, with an auxiliary member and with the tilting direction around the rotatable member indicated
• Fig. 9 shows backward inserting the auxiliary member with the part, which is adapted to be attached to the handlebar system of the bicycle.
• Fig. 10 shows a side view
• Fig. 11 shows a front view of the folded onesided arm with the front wheel of a bicycle.
• Fig. 12 shows a side view and Fig. 13 shows a front view of a laterally folded one-sided arm with the attached front wheel.
• Fig. 14 shows extending the part, which is adapted to be attached to the handlebar system, with the auxiliary member of the bicycle and tilting the part, which is adapted to attach the front wheel, to the lateral side of the part, which is adapted to be attached to the handlebar system of the bicycle, and Fig. 15 shows backward inserting the auxiliary member with the part, which is adapted to be attached to the handlebar system.
• Fig. 16 shows a front view
• Fig. 17 shows a side view of the one-sided arm with the front wheel attached.
• a one-sided spring-loaded arm of the front wheel which is shown in Fig. 1 and 2, has a part (2) provided with a spring (5) and joined with the auxiliary member (2.2) by means of a pivot (3).
• a one-sided spring-loaded arm of the front wheel which is shown in Fig. 6 and 7, differs from the solution given in Example 1 in that part (2) with the pivot (3) mounted and with the auxiliary member (2.2) are mounted from the external side of part (l).
• the pivot (3) which is mounted in this way, allows to tilt part (2) together with the bicycle wheel to a lateral side of part (1), as shown in Fig. 8 to 11. Unfolding of the spring-loaded arm is performed in a reversed way.
• a one-sided spring-loaded arm which is shown in Fig. 12 and 13, differs from the solution given in Example 2 in that the pivot (3) is mounted on a lateral side of (2) and it allows to tilt the front wheel of the bicycle to a lateral side of part (1) just as in Example 2.
• Folding the one-sided spring-loaded arm is shown in Fig. 14 to 17. The procedure of unfolding is reversed.
• a one-sided springing arm of the front wheel is suitable for folding bicycles of any type, those from the bicycles for children to the bicycles for adults, also with classical wheel diameters, which are protected in PV 1621-99.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Steering Devices For Bicycles And Motorcycles (AREA)
• Axle Suspensions And Sidecars For Cycles (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

Family

ID=20435994

Family Applications (1)

Country Status (5)

Cited By (5)

Families Citing this family (3)

Citations (6)

Family Cites Families (5)

• 2000
  • 2000-08-24 SK SK1283-2000A patent/SK12832000A3/sk unknown
• 2001
  • 2001-08-24 US US10/362,275 patent/US20040000770A1/en not_active Abandoned
  • 2001-08-24 WO PCT/SK2001/000020 patent/WO2002016194A1/en not_active Ceased
  • 2001-08-24 JP JP2002521083A patent/JP2004506574A/ja active Pending
  • 2001-08-24 AU AU2001284631A patent/AU2001284631A1/en not_active Abandoned

Patent Citations (6)

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