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公开(公告)号：EP3705256A1
公开(公告)日：2020-09-09
申请号：EP20159527.9
申请日：2020-02-26
摘要： A method for manufacturing a spline telescopic shaft according to the present invention includes a toothless portion forming step (S2) of forming a toothless portion in one of an external tooth of a shaft body (40) and an internal tooth of a tubular body, a resin layer forming step (S3) of forming a resin layer (50) by arranging one of the shaft body (40) and the tubular body in a mold including a cavity and injecting a resin into the cavity, the cavity being included in a flat receiving surface that faces tooth flanks of one of the external tooth of the shaft body (40) and the internal tooth of the tubular body, and a cooling step (S4) of cooling one of the shaft body (40) including the resin layer (50) and the tubular body including the resin layer (50) to form a lubricant reservoir (52) in the resin layer (50).
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公开(公告)号：EP3901483A1
公开(公告)日：2021-10-27
申请号：EP21169163.9
申请日：2021-04-19
申请人： JTEKT CORPORATION
发明人： NEZU, Toshihiro , TANO, Atsushi , TSUJI, Naoki
摘要： An extendable shaft (5) includes: an inner shaft (35) including a plurality of external teeth (41); an outer shaft (36) including a plurality of internal teeth (39) that slides relatively to the external teeth (41); and a resin layer (50) covering the external teeth (41). The pressure angle of the external teeth (41) is different from the pressure angle of the internal teeth (39).
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