A vehicle propulsion system having a mount; a rotation shaft oriented substantially normal to a plane of travel of a vehicle; a fixture coupled to the rotation shaft, the fixture being rotatable about a rotation shaft axis of the rotation shaft; and an oar assembly coupled to the fixture; wherein th
A vehicle propulsion system having a mount; a rotation shaft oriented substantially normal to a plane of travel of a vehicle; a fixture coupled to the rotation shaft, the fixture being rotatable about a rotation shaft axis of the rotation shaft; and an oar assembly coupled to the fixture; wherein the coupling is coupled to the fixture, wherein the rotation shaft axis is substantially normal to the rotational axis; wherein the coupling is coupled to the fixture to permit rotation of the oar assembly about the rotation axis when the lock is locked.
대표청구항▼
1. A vehicle propulsion system comprising: a clevis including a base portion configured to couple to a substantially vertical vehicle support post such that the base portion rotates about a vehicle support post longitudinal axis, and a top portion configured to support a pivot pin along a generally
1. A vehicle propulsion system comprising: a clevis including a base portion configured to couple to a substantially vertical vehicle support post such that the base portion rotates about a vehicle support post longitudinal axis, and a top portion configured to support a pivot pin along a generally horizontal rotation axis;a generally cylindrical pivot pin coupled to the clevis and rotatable about the generally horizontal rotation axis;a left tube including a central hole in a left tube end proximate to the clevis, wherein the pivot pin passes through the central hole, whereby the left tube is coupled to the pivot pin and the rotates about the pivot pin, a longitudinal axis of the left tube located in a plane generally perpendicular to the generally horizontal rotation axis, a left tube end distal to the clevis configured for coupling to a blade; anda right tube including a front outer plate and a rear outer plate extending from an end of the right tube proximate to the clevis, the front outer plate and the rear outer plate each including a hole, wherein the end of the left tube proximate to the clevis is interposed between the front outer plate and the rear outer plate, aligning the front outer plate hole, the rear outer plate hole, and the central hole, wherein the pivot pin passes through the front outer plate hole and the rear outer plate hole, wherein a longitudinal axis of the right tube is located in the plane generally perpendicular to the generally horizontal rotation axis, a right tube end distal to the clevis further configured for coupling to a blade, the end of the right tube proximate to the clevis further comprising a lock configured to removably engage with the left tube, whereby a position of the right tube relative to the left tube is locked when the lock is engaged with the left tube. 2. The vehicle propulsion system according to claim 1, further comprising at least one blade coupled to at least one of the right tube and the left tube. 3. The vehicle propulsion system according to claim 1, the left tube and the pivot pin further configured to receive a set screw coupling the left tube to the pivot pin and preventing rotation of the left tube with respect to the pivot pin. 4. The vehicle propulsion system according to claim 1, wherein the lock includes a sliding bolt lock coupled to the end of the right tube proximate to the clevis, the sliding bolt lock including a spring configured to engage the left tube and lock the left tube in position with respect to the right tube. 5. The vehicle propulsion system according to claim 4, the left tube end proximate to the clevis further comprising a lock hole configured to engage with the sliding bolt lock. 6. The vehicle propulsion system according to claim 4, wherein the sliding bolt lock is configured to allow a user to slide the sliding bolt lock to an unlocked position. 7. The vehicle propulsion system according to claim 6, wherein a spring constant of the spring allows the user to compress the spring by sliding the sliding bolt lock, whereby the sliding bolt lock is slid to the unlocked position. 8. The vehicle propulsion system according to claim 1, wherein the left tube is configured such that the longitudinal axis of the left tube is aligned with the longitudinal axis of the right tube when the lock is engaged with the left tube. 9. The vehicle propulsion system according to claim 1, wherein left tube is configured such that the longitudinal axis of the left tube is at an angle to the longitudinal axis of the right tube when the lock is engaged with the left tube. 10. The vehicle propulsion system according to claim 9, wherein the angle is in the range of 140-150 degrees. 11. The vehicle propulsion system according to claim 1, further comprising at least one of the left tube and the right tube configured to adjustably couple to at least one blade such that a length of the at least one blade is adjustable. 12. The vehicle propulsion system of claim 11, the at least one of the left tube and the right tube further including an internal adjusting spring configured to press an adjusting button through at least one blade adjusting hole. 13. A method for coupling a vehicle propulsion system to a vehicle, comprising the steps of: coupling a clevis to a substantially vertical vehicle support post, the clevis including a base portion configured to couple to the vehicle support post such that the base portion rotates about a vehicle support post longitudinal axis;aligning a central hole in a first end of a left tube with a front outer plate hole of a front outer plate of a right tube, and with a back outer plate hole of a front outer plate of the right tube the front outer plate and the back outer plate are coupled to a first end of the right tube, wherein the first end of the left tube is interposed between the front outer plate and the rear outer plate;rotationally coupling the right tube and left tube by passing a cylindrical pivot pin through the central hole, the back outer plate hole, and the front outer plate hole; andcoupling the pivot pin to a top portion of the clevis, wherein the pivot pin is rotatable and supported in a generally horizontal rotation axis. 14. The method of coupling the vehicle propulsion system to the vehicle according to claim 13, further comprising the step of: locking the left tube in a first position relative to the right tube. 15. The method of coupling the vehicle propulsion system to the vehicle according to claim 14, the right tube further including the sliding bolt lock including a spring configured to engage with the left tube and lock the left tube in the first position. 16. The method of coupling the vehicle propulsion system to the vehicle according to claim 14, further comprising the steps of: unlocking the left tube from the right tube;rotating the left tube to a second position relative to the right tube; andrelocking the left tube in the second position. 17. The method of coupling the vehicle propulsion system to the vehicle according to claim 13, further comprising the steps of: coupling at least one blade to at least one of the right tube and the left tube.
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이 특허에 인용된 특허 (11)
Peng, I-Sin, Adjustable fixing structure of paddle for adjusting length of paddle.
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