[특허]Watercraft propeller propulsion system having a gimbal assembly with an external gimbal ring

von Wolske, James P.

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특허 상세정보

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Watercraft propeller propulsion system having a gimbal assembly with an external gimbal ring

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B63H-020/08 F16D-003/06
미국특허분류(USC)	440/057; 464/125
출원번호	US-0565041 (2009-09-23)
등록번호	US-8550863 (2013-10-08)
발명자 / 주소	von Wolske, James P.
출원인 / 주소	von Wolske, James P.
대리인 / 주소	Stanford, Gary
인용정보	피인용 횟수 : 0 인용 특허 : 8

초록
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A gimbal assembly for a watercraft propeller propulsion system including first and second generally cylindrical gimbal ends each having a pair of diametrically opposing gimbal yokes, and an external gimbal ring pivotally coupled to the opposing gimbal yokes of each of the first and second gimbal ends. The gimbal ring may include a zigzag shaped gimbal ring body with opposing extensions orthogonal to opposing depressions and corresponding pairs of opposing gimbal pin couplings. The opposing gimbal yokes of each gimbal end may include opposing gimbal pin couplings for coupling to the couplings of the gimbal ring. Each gimbal end may be assembled through one face of the gimbal ring and internally coupled to pin couplings of an opposite face of the gimbal ring. The gimbal pins may be clamped with U-bolts. The opposing gimbal yokes may have minimal clearance around a universal joint. A bellows may be mounted externally.

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1. A gimbal assembly, comprising: first and second generally cylindrical gimbal ends each having a pair of diametrically opposing gimbal yokes including an opposing pair of gimbal yoke pin couplings;a generally cylindrical external gimbal ring having a zigzag shape and having a radial thickness forming an interior opening and including opposing first and second end faces, wherein each of said first and second end faces has a zigzag shape with opposing extensions circumferentially orthogonal to opposing depressions;wherein said first and second gimbal ends are positioned within said interior opening of said gimbal ring such that said first end face of said gimbal ring is convex with respect to said opposing gimbal yokes of said first gimbal end and the second end face of said gimbal ring is concave with respect said opposing gimbal yokes of said first gimbal end when the first end face of said gimbal ring faces towards said first gimbal end and wherein said second end face of said gimbal ring is convex with respect to said opposing gimbal yokes of said second gimbal end and the first end face of said gimbal ring is concave with respect to said opposing gimbal yokes of said second gimbal end when the second end face of said gimbal ring faces towards said second gimbal end, wherein said gimbal yoke pin couplings of said opposing gimbal yokes of said first gimbal end are aligned with said second pair of gimbal ring pin couplings along said second axis and wherein said gimbal yoke pin couplings of said opposing gimbal yokes of said second gimbal end are aligned with said first pair of gimbal ring pin couplings along said first axis; andwherein said first and second gimbal ends are positioned within said interior opening of said gimbal ring such that said first end face of said gimbal ring faces towards said first gimbal end and wherein said second end face of said gimbal ring faces towards said second gimbal end, wherein said gimbal yoke pin couplings of said opposing gimbal yokes of said first gimbal end are aligned with said second pair of gimbal ring pin couplings along said second axis, and wherein said gimbal yoke pin couplings of said opposing gimbal yokes of said second gimbal end are aligned with said first pair of gimbal ring pin couplings along said first axis; anda first pair of gimbal pins which pivotally mount said first pair of gimbal ring pin couplings with said gimbal yoke pin couplings of said opposing gimbal yokes of said second gimbal end along said first axis, and a second pair of gimbal pins which pivotally mount said second pair of gimbal ring pin couplings with said gimbal yoke pin couplings of said opposing gimbal yokes of said first gimbal end along said second axis. 2. The gimbal assembly of claim 1, further comprising a plurality of U-bolts and a corresponding plurality of nuts for clamping each gimbal pin of said first and second pairs of gimbal pins to said gimbal ring. 3. The gimbal assembly of claim 1, further comprising a bellows mounted external to said gimbal ring. 4. The gimbal assembly of claim 3, further comprising a bellows ring mounted external to said gimbal ring, wherein said bellows ring includes at least one hole, and wherein said bellows is mounted to said bellows ring. 5. The gimbal assembly of claim 4, wherein said at least one hole comprises a fill hole. 6. The gimbal assembly of claim 4, wherein said at least one hole comprises a drain hole. 7. A watercraft, comprising: a transom; anda watercraft propeller propulsion system mounted to said transom, wherein said watercraft propeller propulsion system includes a gimbal assembly, comprising: first and second generally cylindrical gimbal ends each having a pair of diametrically opposing gimbal yokes including an opposing pair of gimbal yoke pin couplings;a generally cylindrical external gimbal ring having a zigzag shape and having a radial thickness forming an interior opening and including opposing first and second end faces, wherein each of said first and second end faces has a zigzag shape with opposing extensions circumferentially orthogonal to opposing depressions;wherein said gimbal ring comprises a plurality of gimbal ring pin couplings located in a common transverse plane, wherein said plurality of gimbal ring pin couplings comprises a first pair of gimbal ring pin couplings located at said opposing depressions of said first end face and aligned with each other along a first axis in said common transverse plane, and a second pair of gimbal ring pin couplings located at said opposing depressions of said second end face and aligned with each other along a second axis which is orthogonal to said first axis in said common transverse plane;wherein said first and second gimbal ends are positioned within said interior opening of said gimbal ring such that said first end face of said gimbal ring is convex with respect to said opposing gimbal yokes of said first gimbal end and the second end face of said gimbal ring is concave with respect to said opposing gimbal yokes of said first gimbal end when the first end face of said gimbal ring faces towards said first gimbal end and wherein said second end face of said gimbal ring is convex with respect to said opposing gimbal yokes of said second gimbal end and the first end face of said gimbal ring is concave with respect to said opposing gimbal yokes of said second gimbal end when the second end face of said gimbal ring faces towards said second gimbal end, wherein said gimbal yoke pin couplings of said opposing gimbal yokes of said first gimbal end are aligned with said second pair of gimbal ring pin couplings along said second axis and wherein said gimbal yoke pin couplings of said opposing gimbal yokes of said second gimbal end are aligned with said first pair of gimbal ring pin couplings along said first axis; anda first pair of gimbal pins which pivotally mount said first pair of gimbal ring pin couplings with said gimbal yoke pin couplings of said opposing gimbal yokes of said second gimbal end along said first axis, and a second pair of gimbal pins which pivotally mount said second pair of gimbal ring pin couplings with said gimbal yoke pin couplings of said opposing gimbal yokes of said first gimbal end along said second axis. 8. The watercraft of claim 7, further comprising a plurality of U-bolts and a corresponding plurality of nuts for clamping each gimbal pin of said first and second pairs of gimbal pins to said gimbal ring. 9. The watercraft of claim 7, further comprising a bellows mounted external to said gimbal ring. 10. The watercraft of claim 9, further comprising a bellows ring mounted external to said gimbal ring, wherein said bellows ring includes at least one hole, and wherein said bellows is mounted to said bellows ring. 11. The gimbal assembly of claim 1, wherein each gimbal pin of said first and second pair of gimbal pins comprises a radially removable gimbal pin which is configured to interface a gimbal yoke pin coupling and a corresponding gimbal ring pin coupling. 12. The watercraft of claim 7, wherein each gimbal pin of said first and second pair of gimbal pins comprises a radially removable gimbal pin which is configured to interface a gimbal yoke pin coupling and a corresponding gimbal ring pin coupling.

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Watercraft propeller propulsion system having a gimbal assembly with an external gimbal ring

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Watercraft propeller propulsion system having a gimbal assembly with an external gimbal ring

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