A suitcase has a pair of wheels installed at one side of a body of the suitcase and a handlebar projecting from the body of the suitcase on a side opposite where the wheels are installed and a board movable between a rest position drawn near the suitcase body and an operative position projecting fro
A suitcase has a pair of wheels installed at one side of a body of the suitcase and a handlebar projecting from the body of the suitcase on a side opposite where the wheels are installed and a board movable between a rest position drawn near the suitcase body and an operative position projecting from the suitcase body to hold up a suitcase user with the wheels installed on the suitcase body being steering and there being a kinematic connection between the handlebar and the wheels to control the steering. The steering wheels are movable between a retracted position near the suitcase body and an operative position extended far from the suitcase body.
대표청구항▼
1. A suitcase comprising: a suitcase body having a first side and a second side, the second side being opposite the first side;a pair of steering wheels installed at the first side of the suitcase body, the steering wheels being movable between a retracted position adjacent the suitcase body and an
1. A suitcase comprising: a suitcase body having a first side and a second side, the second side being opposite the first side;a pair of steering wheels installed at the first side of the suitcase body, the steering wheels being movable between a retracted position adjacent the suitcase body and an extended position projecting laterally from the suitcase body;a handlebar projecting from the suitcase body on the second side;a board movable between a rest position drawn near the suitcase body and an operative position projecting from the suitcase body, when in the operative condition, the board is arranged to hold up a user for steering the steering wheels;a first kinematic connection between the handlebar and the steering wheels to control the steering; anda second kinematic connection between the board and the steering wheels, wherein the steering wheels are moved between the extended position as the board is pivoted into the operative position projecting from the suitcase body, and the retracted position as the board is pivoted into a rest position. 2. The suitcase in accordance with claim 1, wherein the steering wheels in the retracted position are received in seats in the suitcase body. 3. The suitcase in accordance with claim 1, wherein the handlebar is configured to be slipped out of the suitcase body to be put in an operative position. 4. The suitcase in accordance with claim 1, wherein the board is pivotable between the rest position and the operative position projecting from the suitcase body and hinged to the suitcase body at the first side. 5. The suitcase in accordance with claim 1, comprising supports on which axes of the steering wheels are hinged so that the steering wheels are rotatable around a vertical axis in the extended position, a frame, wherein the supports are arranged at opposite sides of the frame and so as to be movable relative to the frame, first and second rods hinged to each other in series and connecting the supports with each other, and a driving part coupled to a hinging point between the first and second rods and connected in turn to the board so that the driving part is capable of moving the hinging point between the first and second rods in a direction transverse to a running direction of the steering wheels when the board is moved between the operative position and the rest position. 6. The suitcase in accordance with claim 1, comprising a third rod hinged to an arm connected with the board and projecting therefrom in a direction transverse thereto. 7. The suitcase in accordance with claim 1, wherein the handlebar includes a telescopic rod nearly orthogonal to the axis of the steering wheels. 8. The suitcase in accordance with claim 1, wherein the first kinematic connection between the handlebar and the steering wheels includes Bowden cables. 9. The suitcase in accordance with claim 8, wherein the Bowden cables are one of first and second Bowden cables, the first Bowden cable being connected between a rod of the handlebar and one of the two steering wheels, the second Bowden cable being connected between the rod of the handlebar and the other of the two steering wheels, and a third Bowden cable connected between the two steering wheels, wherein the first and second Bowden cables are connected on opposite flanks of the handlebar and ends of the Bowden cables connected to the steering wheels are connected for each wheel to opposing flanges projecting from a body integral with the axis of the steering wheel and hinged to a support. 10. The suitcase in accordance with claim 8 wherein the Bowden cables comprise an external sheath which is fastened to supports of the wheels. 11. The suitcase in accordance with claim 1 wherein the first kinematic connection includes a combination of rods and hingings. 12. The suitcase in accordance with claim 11, comprising a frame, wherein for each wheel the first kinematic connection includes rods which are connected in series by hinging between a body integral with the axis of the steering wheel and a skate running transversally to the axis of the steering wheels on a guide hinged to the frame and connected with the handlebar, wherein the skate is connected to the board and is configured to be moved along the guide so that the rods are substantially aligned with the board in the operative position with the rod nearest the steering wheel which is constrained to have a certain distance from the frame being able to run inside of a sleeve constrained to the frame. 13. The suitcase in accordance with claim 12 wherein the sleeve is hinged for each steering wheel to a support connected with a respective support of the wheel. 14. The suitcase in accordance with claim 12 wherein on the skate are hinged rods configured to move the supports of the wheels between a first position with the steering wheels in the retracted position and the steering wheels in the extended position. 15. The suitcase in accordance with claim 12 wherein the skate is constrained to the board by a rod hinged to an arm connected with the board projecting transversely therefrom. 16. The suitcase in accordance with claim 1 wherein the second kinematic connection includes a combination of tie rods. 17. The suitcase in accordance with claim 1, comprising supports on which the steering wheels are disposed, a frame wherein the supports are arranged at opposite sides of the frame so as to be movable relative to the frame, a wheel arranged on the frame in a rotatable manner, a pair of hinging rods connecting the supports with the wheel and hinged on opposite sides of the wheel so that the hinging rods are capable of converting the rotary motion of the wheel into a translation of the supports resulting in an extension or refraction of the steering wheels relative to the frame depending on whether the wheel turns clockwise or counter-clockwise, and a pair of tie rods acting on opposite sides of the wheel and fastened at opposite ends to a pin of a hinging of the board to the frame, wherein the tie rods are wound on the pin in opposite directions relative to each other so that, when the board is lowered, the wheel is pulled by one tie rod of the pair of rods so as to rotate in one direction for extending the steering wheels and, when the board is raised, the wheel is pulled by the other tie rod of the pair of rods so as to rotate in the opposite direction for retracting the steering wheels. 18. The suitcase in accordance with claim 1 wherein the board is provided with a wheel at one end distant from the suitcase body when the board is in the operative position.
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이 특허에 인용된 특허 (13)
Krausz ; Howard I., Brake assembly for skateboard.
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