IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0010207
(2004-12-10)
|
등록번호 |
US-7306240
(2007-12-11)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
16 인용 특허 :
12 |
초록
▼
A wheeled skate that includes a skate frame and a plurality of wheels disposed along that frame. A turnable wheel assembly is provided that includes two paired wheels, each supported by a movable axle. The turnable wheel assembly is preferably configured such that the paired wheels maintain a parall
A wheeled skate that includes a skate frame and a plurality of wheels disposed along that frame. A turnable wheel assembly is provided that includes two paired wheels, each supported by a movable axle. The turnable wheel assembly is preferably configured such that the paired wheels maintain a parallel relationship and a fixed distance from one another as the skate moves between varying degrees of turning. This configuration permits the paired wheels to be positioned close together. The axles may be supported by movable support members that move in parallel planes. Various embodiments are disclosed including the incorporation of two turnable paired-wheel assemblies in one skate.
대표청구항
▼
The invention claimed is: 1. A turnable skate device, comprising: a base having a longitudinal axis; a front wheel assembly and a rear wheel assembly at least one of the front wheel assembly and the rear wheel assembly being a turnable wheel assembly, the turnable wheel assembly including: a pivot
The invention claimed is: 1. A turnable skate device, comprising: a base having a longitudinal axis; a front wheel assembly and a rear wheel assembly at least one of the front wheel assembly and the rear wheel assembly being a turnable wheel assembly, the turnable wheel assembly including: a pivot shaft; a mounting body pivotally mounted for rotation about the pivot shaft; a first wheel supported by a first axle coupled to one side of the mounting body; and a second wheel supported by a second axle coupled to another side of the mounting body; wherein in straight forward travel the first and second axles have a substantially colinear relationship and during a turn the first and second axles achieve a non-colinear relationship; and wherein with tilt of the base the mounting body rotates about the pivot shaft and wheels move in opposite directions relative to the mounting body. 2. The device of claim 1, wherein one of the first and second wheels moves tilted upwardly relative to the mounting body and the other moves tilted downwardly relative to the mounting body. 3. The device of claim 1, wherein the mounting body is biased towards maintaining the first and second wheels in the straight forward direction. 4. The device of claim 1, wherein rotation of the mounting body from the straight forward direction occurs with a tilting of the first and second wheels. 5. The device of claim 1, further comprising a first support arm coupling the first axle to the mounting body and a second support arm coupling the second axle to the mounting body, wherein the first wheel, axle and support arm are arranged in a symmetric manner about the mounting block from the second wheel, axle and support arm; a plane of symmetry transecting the mounting body. 6. The device of claim 1, wherein: a first plane, vertically disposed and in the line of forward direction of the skate when the skate is in a non-turn position, transects the first axle where the first axle enters the first wheel; and a second plane, vertically disposed and in the line of forward direction of the skate when the skate is in a non-turn position, transects the second axle where the second axle enters the second wheel; wherein during a turn the first and second axles and the first and second planes tilt and the orthogonal distance between the first and second planes remains substantially the same. 7. The device of claim 6, wherein the first and second planes are equidistant from a common center plane. 8. The device of claim 6, further comprising a first support arm coupling the first axle to the mounting body and a second support arm coupling the second axle to the mounting body, wherein the first wheel, axle and support arm are arranged in a symmetric manner about the mounting block from the second wheel, axle and support arm. 9. A turnable skate device, comprising: a base having a longitudinal axis; a front wheel assembly and a rear wheel assembly at least one of said front wheel assembly and said second wheel assembly being a turnable wheel assembly, said turnable wheel assembly including: a first wheel supported by a first axle; and a second wheel supported by a second axle; wherein a first plane and a second plane, both vertically disposed and in the line of forward direction of the skate device when the skate device is in a non-turn position, that respectively transect the first axle and the second axle where the first axle and the second axle enter their corresponding wheel; and wherein during a turn, the first and second axles and the first and second planes tilt and the orthogonal distance between the first second planes remains substantially the same. 10. The device of claim 9, further comprising a mounting body coupling the first and second wheels to the base, and wherein the first wheel and axle are arranged in a symmetric manner from the second wheel and axle about a plane of symmetry that transects the mounting body. 11. The device of claim 10, wherein the first and second planes are equidistance from the plane of symmetry. 12. The device of claim 9, further comprising a pivot shaft and a mounting body pivotally mounted for rotation about the pivot shaft, the first wheel and the second wheel being coupled through the mounting body to the base; wherein with tilt of the base, the mouting body rotates about the pivot shaft and the first and second wheels move in opposite directions relative to the mounting body. 13. The device of claim 12, wherein one of the first and second wheels moves tilted upwardly relative to the mounting body and the other moves tilted downwardly relative to the mounting body. 14. The device of claim 13, further comprising a first support arm coupling the first axle to one side of the mounting body and a second support arm coupling the second axle to another side of the mounting body. 15. The device of claim 14, wherein the mounting body and the first and second support arms are biased towards maintaining the first and second wheels in the straight forward direction. 16. The device of claim 9, wherein in straight forward travel the first and second axles have a substantially colinear relationship and during a turn the first and second axles achieve a non-colinear relationship. 17. A turnable skate device, comprising: a base; a front wheel assembly and a rear wheel assembly coupled to the base, at least one of the front wheel assembly and the rear wheel assembly being a turnable wheel assembly, the turnable wheel assembly including: a mounting body movable relative to the base; a first wheel supported by a first axle; a second wheel supported by a second axle; a first movable axle support member coupled between the mounting body and the first axle; and a second movable axle support member coupled between the mounting body and the second axle; wherein the mounting body is pivotally coupled to the base via a pivot shaft descending from the base, and wherein tilt of the base during use causes: tilt of the pivot shaft, the first and second movable axle support members, and the first and second wheels, and rotation of the mounting body about the pivot shaft, thereby achieving a change in the line of direction of travel of the skate device. 18. The skate device of claim 17, wherein user lean places more weight on one wheel than the other, causing the heavier weighted wheel to move upward relative to the mounting body and the lesser weighted wheel to move downward relative to the mounting body, and wherein said support members and mounting body are configured such that movement of one wheel relative to the mounting body causes the mounting body to move relative to the base, achieving a turn of the skate device. 19. The skate device of claim 18, wherein said first and second arms are respectively coupled through a first pivot axis and a second pivot axis to said mounting body; and the first pivot axis and the second pivot axis are fixedly co-linear, while the first and second axles are not co-linear during a turn. 20. The skate device of claim 17, further comprising a mechanism that biases the first and second wheels towards the non-turn position.
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