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    • 4. 发明申请
    • Oil-free chain
    • 无油链
    • US20080161147A1
    • 2008-07-03
    • US11978404
    • 2007-10-29
    • Takashi NakagawaHiroki IshidaToshihiko AokiHirofumi Miki
    • Takashi NakagawaHiroki IshidaToshihiko AokiHirofumi Miki
    • F16G13/02
    • F16G13/06
    • An oil-free chain has bushings which protrude from the outer surfaces of the inner link plates into which they are press-fit, and extend into bushing supporting bores formed in the inner surfaces of the outer link plates of the chain. These bushing supporting bores are formed by a pressing operation which produces offsets in portions of the outer plate, so that, as the bushing supporting bores are formed in the inner surfaces of the outer plates, bosses are simultaneously formed on the outer surfaces. The connecting pins of the chain are press-fit into pin holes in these bosses. The bushing supporting bores are formed without removal of material by machining, and therefore the strength of the outer plates is not compromised.
    • 无油链条具有从其内压配合的内连接板的外表面突出的衬套,并且延伸到形成在链条的外链板的内表面中的衬套支撑孔中。 这些衬套支撑孔通过在外板的部分产生偏移的按压操作形成,使得当衬套支撑孔形成在外板的内表面中时,凸台同时形成在外表面上。 链条的连接销压配合到这些凸台的销孔中。 衬套支撑孔通过机械加工形成而不去除材料,因此不会损害外板的强度。
    • 5. 发明申请
    • OIL-FREE CHAIN
    • 无油链
    • US20080287237A1
    • 2008-11-20
    • US12102215
    • 2008-04-14
    • Toshihiko AokiHiroki IshidaTakashi Nakagawa
    • Toshihiko AokiHiroki IshidaTakashi Nakagawa
    • F16G13/02
    • F16G13/06
    • In an oil-free roller chain, the inner faces of the outer link plates have recesses that receive the ends of bushings, and the inner faces of the inner link plates have recesses that receive the ends of rollers surrounding the bushings. Each such recess is formed by punching, so that the outer surface of each plate has a bulged portion opposite each recess. The diameters of the bulged portions are greater than the diameters of the corresponding recesses. The bushing can have an oil passage located midway between its ends and serving as an oil reservoir supplying oil to the gap between the bushing and the roller and between the bushing and a connecting pin.
    • 在无油滚子链中,外链板的内表面具有容纳衬套端部的凹部,内链板的内表面具有容纳围绕衬套的辊的端部的凹部。 每个这样的凹部通过冲压形成,使得每个板的外表面具有与每个凹部相对的凸出部分。 凸起部分的直径大于相应凹部的直径。 衬套可以具有位于其端部之间的中间的油通道,并且用作向套筒和辊之间以及衬套和连接销之间的间隙供油的储油器。
    • 6. 发明申请
    • Oil-free chain
    • 无油链
    • US20080076613A1
    • 2008-03-27
    • US11903077
    • 2007-09-20
    • Takashi NakagawaHiroki Ishida
    • Takashi NakagawaHiroki Ishida
    • F16G13/02
    • F16G13/06
    • In an oil-free roller chain rollerless bushing, bushing protrude outward past the inner link plates and are received in supporting bores formed in the inner faces of the outer link plates, the bores being coaxial with the holes in which the connecting pins of the chain are press-fit. The relationship between the protruding parts of the bushings and the supporting bores establishes a labyrinth that resists leakage of lubricating oil from the space between the pin and the interior of the bushing. The mutually facing overlapping faces of the plates of the chain are have roughened surfaces that also form a labyrinth structure that further resists oil leakage. A groove formed in the connecting pin allows for an increased supply of sealed lubricating oil.
    • 在无油滚子链无辊套管中,衬套向外突出穿过内连接板,并被接纳在形成在外链板内表面的支撑孔中,孔与链连接销的孔同轴 是压配合的。 衬套的突出部分和支撑孔之间的关系建立了一个迷宫,其防止润滑油从销和衬套内部之间的空间泄漏。 链条的相互面对的重叠面具有粗糙表面,其也形成进一步抵抗漏油的迷宫结构。 形成在连接销中的槽允许增加密封润滑油的供应。
    • 7. 发明授权
    • Oil-free chain
    • 无油链
    • US07914409B2
    • 2011-03-29
    • US12102215
    • 2008-04-14
    • Toshihiko AokiHiroki IshidaTakashi Nakagawa
    • Toshihiko AokiHiroki IshidaTakashi Nakagawa
    • F16G13/04
    • F16G13/06
    • In an oil-free roller chain, the inner faces of the outer link plates have recesses that receive the ends of bushings, and the inner faces of the inner link plates have recesses that receive the ends of rollers surrounding the bushings. Each such recess is formed by punching, so that the outer surface of each plate has a bulged portion opposite each recess. The diameters of the bulged portions are greater than the diameters of the corresponding recesses. The bushing can have an oil passage located midway between its ends and serving as an oil reservoir supplying oil to the gap between the bushing and the roller and between the bushing and a connecting pin.
    • 在无油滚子链中,外链板的内表面具有容纳衬套端部的凹部,内链板的内表面具有容纳围绕衬套的辊的端部的凹部。 每个这样的凹部通过冲压形成,使得每个板的外表面具有与每个凹部相对的凸出部分。 凸起部分的直径大于相应凹部的直径。 衬套可以具有位于其端部之间的中间的油通道,并且用作向套筒和辊之间以及衬套和连接销之间的间隙供油的储油器。
    • 8. 发明授权
    • Oil-free chain
    • 无油链
    • US07775925B2
    • 2010-08-17
    • US11978404
    • 2007-10-29
    • Takashi NakagawaHiroki IshidaToshihiko AokiHirofumi Miki
    • Takashi NakagawaHiroki IshidaToshihiko AokiHirofumi Miki
    • F16G13/02
    • F16G13/06
    • An oil-free chain has bushings which protrude from the outer surfaces of the inner link plates into which they are press-fit, and extend into bushing supporting bores formed in the inner surfaces of the outer link plates of the chain. These bushing supporting bores are formed by a pressing operation which produces offsets in portions of the outer plate, so that, as the bushing supporting bores are formed in the inner surfaces of the outer plates, bosses are simultaneously formed on the outer surfaces. The connecting pins of the chain are press-fit into pin holes in these bosses. The bushing supporting bores are formed without removal of material by machining, and therefore the strength of the outer plates is not compromised.
    • 无油链条具有从其内压配合的内连接板的外表面突出的衬套,并且延伸到形成在链条的外链板的内表面中的衬套支撑孔中。 这些衬套支撑孔通过在外板的部分产生偏移的按压操作形成,使得当衬套支撑孔形成在外板的内表面中时,凸台同时形成在外表面上。 链条的连接销压配合到这些凸台的销孔中。 衬套支撑孔通过机械加工形成而不去除材料,因此不会损害外板的强度。