IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
|
출원번호 |
US-0387951
(2003-03-13)
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발명자
/ 주소 |
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대리인 / 주소 |
LaPointe, Dennis G.Mason Law, P.A.
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인용정보 |
피인용 횟수 :
2 인용 특허 :
4 |
초록
▼
The invention relates to an auxiliary system for providing positive steering to marine crafts using jet propulsion systems, typically personal jet driven watercrafts such as jet boats and jet skis. In one embodiment, it includes, among other features, a combination of keel members attached to a ster
The invention relates to an auxiliary system for providing positive steering to marine crafts using jet propulsion systems, typically personal jet driven watercrafts such as jet boats and jet skis. In one embodiment, it includes, among other features, a combination of keel members attached to a stern section of a hull. The keels are interconnected using tie rods to the directional steering drive assembly. In other embodiments, the keels are instead attached directly to the directional nozzle or integrally made with the nozzle, and where a hood is included in the directional nozzle assembly, notches may be included in the keels to allow for full operation of the hood into its lowest position.
대표청구항
▼
The invention relates to an auxiliary system for providing positive steering to marine crafts using jet propulsion systems, typically personal jet driven watercrafts such as jet boats and jet skis. In one embodiment, it includes, among other features, a combination of keel members attached to a ster
The invention relates to an auxiliary system for providing positive steering to marine crafts using jet propulsion systems, typically personal jet driven watercrafts such as jet boats and jet skis. In one embodiment, it includes, among other features, a combination of keel members attached to a stern section of a hull. The keels are interconnected using tie rods to the directional steering drive assembly. In other embodiments, the keels are instead attached directly to the directional nozzle or integrally made with the nozzle, and where a hood is included in the directional nozzle assembly, notches may be included in the keels to allow for full operation of the hood into its lowest position. ombustion chamber. ; US-5203859, 19930400, Khinkis et al.; US-5213492, 19930500, Ho; US-5242296, 19930900, Tuson et al.; US-5291841, 19940300, Dykema, 110/347; US-5308239, 19940500, Bazarian et al.; US-5387100, 19950200, Kobayashi; US-5411394, 19950500, Beer et al.; US-5413476, 19950500, Baukal, Jr. et al.; US-5439373, 19950800, Anderson et al.; US-5454712, 19951000, Yap; US-5601425, 19970200, Kobayashi et al.; US-5609662, 19970300, Kobayashi et al.; US-5611682, 19970300, Slavejkov et al.; US-5611683, 19970300, Baukal, Jr. et al.; US-5725366, 19980300, Khinkis et al.; US-5832847, 19981100, Leisse et al.; US-5871343, 19990200, Baukal et al.; US-5904475, 19990500, Ding; US-5924858, 19990700, Tuson et al.; US-5931654, 19990800, Chamberland; US-6007326, 19991200, Ryan, III et al.; US-6030204, 20000200, Breen et al.; US-6085674, 20000700, Ashworth; US-6113389, 20000900, Joshi et al.; US-6171100, 20010100, Joshi et al.; US-6206949, 20010300, Kobayashi et al.; US-6244200, 20010600, Rabovitser et al.; US-6276928, 20010800, Joshi et al.; US-6289851, 20010900, Rabovitser et al.; US-6314896, 20011100, Marin et al.; US-6325003, 20011200, Ashworth et al., 110/345; US-6357367, 20020300, Breen et al., 110/345; US-6394790, 20020500, Kobayashi; US-6398546, 20020600, Kobayashi; US-6409499, 20020600, Feldermann; US-6418865, 20020700, Marin et al.; US-6519973, 20030200, Hoke, Jr. et al. orkstation path. 2. A shuttle blow molding machine as defined in claim 1, wherein each group of mold units is indexed along its parallel path among a number of different index positions, at least some of which coincide with the parison-receiving and article-removal stations. 3. A shuttle blow molding machine as defined in claim 2, wherein the carriage of each mold unit moves its associated mold between the retracted and extended positions during indexing of the mold unit along its parallel path. 4. A shuttle blow molding machine as defined in claim 2, wherein, within each group, the mold units are located along centerlines that are spaced by a distance equal to the distance between adjacent index positions. 5. A shuttle blow molding machine as defined in claim 1, wherein the mold units of each group are spaced from the other mold units in the same group by a distance that is adjustable. 6. A shuttle blow molding machine as defined in claim 1, wherein the carriage of each mold unit is independently movable in the transverse direction relative to the other carriages, whereby each mold can move into and out of the workstation path independently of the other molds. 7. A shuttle blow molding machine as defined in claim 1, wherein each mold unit includes its own individual base. 8. A shuttle blow molding machine as defined in claim 7, wherein each mold unit further comprises carriage slides mounted on the base, with the carriage being mounted on the carriage slides for reciprocal movement of its associated mold between the retracted and extended positions. 9. A shuttle blow molding machine as defined in claim 8, wherein each carriage is movable upwardly towards the workstation path along an inclined path. 10. A shuttle blow molding machine as defined in claim 7, wherein the mold units of each group are connected to the other mold units in the same group by connecting their bases together to form a tram that moves as a single unit along its parallel path. 11. A shuttle blow molding machine as defined in claim 1, further comprising first and second indexers connected to the first and second groups of mold units, respectively, wherein each of the indexers is operable to index its associated group of mold units along its parallel path. 12. A shuttle blow molding machine as defined in claim 11, further comprising a controller connected to the takeout mechanism, indexers, and mold units, the controller being operable to coordinate operation of the takeout mechanism, indexers, carriage, clamps, and blow pin assemblies. 13. A shuttle blow molding machine as defined in claim 12, wherein the controller is operable to advance the mold units through repetitive cycles in which the mold units of the first and second groups are indexed in a forward direction along their respective paths from a starting position, through the article-removal and parison-receiving stations, to a end position, and then are moved in a return direction along their respective paths from the end position back to the starting position, wherein, when the mold units are moving in the forward direction, the molds are moved from their retracted position toward their extended position prior to entering the article-removal station and then are moved back to their retracted position after leaving the parison-receiving station, and wherein the mold units of the first group are indexed together sequentially through the stations followed by the mold units of the second group which are indexed together sequentially through the stations while the mold units of the first group return to their starting position. 14. A shuttle blow molding machine as defined in claim 1, wherein said takeout mechanism includes an article gripper, vertical slide, and horizontal transfer mechanism, wherein the article gripper is supported by the vertical slide, with the takeout mechanism being operable to lower the article gripper to an article-pickup position where the article gripper is operable to enga ge a blow molded article located in one of the molds, then raise the article gripper along with the removed article to an upper, intermediate position, and then horizontally move the article to an article-release position using the horizontal transfer mechanism. 15. A shuttle blow molding machine as defined in claim 14, further comprising a conveyor located at the article-release position, wherein the horizontal transfer mechanism is operable to release the article onto the conveyor at the article-release position, and the conveyor is operable to carry the article away from the takeout mechanism for subsequent processing. 16. A shuttle blow molding machine as defined in claim 1, wherein the blow molding machine includes m workstations spaced along the workstation path including at least the parison-receiving station and the article-removal station, and wherein each of the first and second groups of mold units include n mold units in each group, with each group of mold units indexing along its parallel path among at least 2(n-1)+m index positions. 17. A shuttle blow molding machine comprising: an extruder head located at a parison-receiving station; a takeout mechanism located at an article-removal station, the parison-receiving station and the article-removal station being located at spaced positions along a workstation path; first and second groups of mold units, wherein the first and second groups are located on opposite sides of the workstation path and wherein each of the mold units includes a mold that is movable in a direction transverse to the workstation path such that the mold can reciprocate between a retracted position, in which the mold is spaced from the workstation path, and an extended position, in which the mold is centered along the workstation path; first and second indexers connected to the first and second groups of mold units, respectively, wherein each of the indexers is operable to move its associated group of mold units together along a path that is parallel to the workstation path; and a controller connected to the mold units and indexers, the controller being operable to provide control signals to the mold units to control movement of the molds between the extended and retracted positions and being operable to provide control signals to the indexers to control movement of the groups of mold units along the parallel paths; wherein the controller is operable to advance the mold units through repetitive cycles in which the mold units of the first and second groups are indexed in a forward direction along their respective paths from a starting position, through the article-removal and parison-receiving stations, to a end position, and then are moved in a return direction along their respective paths from the end position back to the starting position, wherein, when the mold units are moving in the forward direction, the molds are moved from their retracted position toward their extended position prior to entering the article-removal station and then are moved back to their retracted position after leaving the parison-receiving station, and wherein the mold units of the first group are indexed together sequentially through the stations followed by the mold units of the second group which are indexed together sequentially through the stations while the mold units of the first group return to their starting position. 18. A shuttle blow molding machine as defined in claim 17, wherein each of the mold units includes a carriage, clamp, and blow pin assembly, the mold including a pair of mold halves located in the clamp with the mold being movable by the clamp between an open position, in which the mold halves are spaced from each other, and a closed position, in which the mold halves are mated together to define one or more mold cavities, the blow pin assembly being supported by the clamp and including one or more blow pins that are movable between a retracted position away from the mold and an insert ed position in which the one or more blow pins are inserted into one or more corresponding holes within the mold to deliver pressurized gas to the one or more mold cavities, the clamp being mounted on the carriage with the carriage being movable in the transverse direction such that the mold can reciprocate between its retracted and extended positions. 19. A shuttle blow molding machine as defined in claim 18, wherein the carriage of each mold unit moves its associated mold between the retracted and extended positions during indexing of the mold unit along its parallel path. 20. A shuttle blow molding machine as defined in claim 18, wherein the controller is connected to the takeout mechanism, indexers, and mold units, the controller being operable to coordinate operation of the takeout mechanism, indexers, carriage, clamps, and blow pin assemblies. 21. A shuttle blow molding machine as defined in claim 17, wherein the mold units within the each group are located in side-by-side relation adjacent each other and are movable as a group along their parallel path. 22. A shuttle blow molding machine as defined in claim 17, wherein, within each group, the mold units are located along centerlines that are spaced by a distance equal to the distance between adjacent workstations. 23. A shuttle blow molding machine as defined in claim 17, wherein the mold units of each group are spaced from the other mold units in the same group by a distance that is adjustable. 24. A shuttle blow molding machine as defined in claim 17, wherein each mold is independently movable relative to the other molds between its retracted and extended positions. 25. A shuttle blow molding machine as defined in claim 17, wherein each mold unit includes its own individual base. 26. A shuttle blow molding machine as defined in claim 25, wherein each mold unit further comprises carriage slides mounted on the base, with the mold being supported on the carriage slides for reciprocal movement between the retracted and extended positions. 27. A shuttle blow molding machine as defined in claim 26, wherein each mold is movable upwardly towards the workstation path along an inclined path. 28. A shuttle blow molding machine as defined in claim 25, wherein the mold units of each group are connected to the other mold units in the same group by connecting their bases together to form a tram that moves as a single unit along its parallel path. 29. A shuttle blow molding machine as defined in claim 17, wherein the controller is operable to advance the mold units through repetitive cycles in which the mold units of the first and second groups are indexed in a forward direction along their respective paths from a starting position, through the article-removal and parison-receiving stations, to a end position, and then are moved in a return direction along their respective paths from the end position back to the starting position, wherein, when the mold units are moving in the forward direction, the molds are moved from their retracted position toward their extended position prior to entering the article-removal station and then are moved back to their retracted position after leaving the parison-receiving station, and wherein the mold units of the first group are indexed together sequentially through the stations followed by the mold units of the second group which are indexed together sequentially through the stations while the mold units of the first group return to their starting position. 30. A shuttle blow molding machine as defined in claim 17, wherein said takeout mechanism includes an article gripper, vertical slide, and horizontal transfer mechanism, wherein the article gripper is supported by the vertical slide, with the takeout mechanism being operable to lower the article gripper to an article-pickup position where the article gripper is operable to engage a blow molded article located in one of the molds, then raise the article gripper along with the removed article to
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