发明名称 Improvements in or relating to chain shift devices for bicycles and similar chain driven vehicles
摘要 1,008,052. Change-speed chain gear. L. C. H. JUY. Feb. 26, 1963 [April 20, 1962], No. 7757/63. Heading F2D. The subject-matter comprises the chainshift change-speed gear of Specification 836,862, but the claims are directed to the moulding of the main parts, e.g. housing 1, bracket 2 and cap 17 from a synthetic plastics material such as homopolymer acetal resin with or without metallic reinforcing inserts embedded therein during moulding. Reference has been directed by the Comptroller to Specification 836,862.
申请公布号 GB1008052(A) 申请公布日期 1965.10.22
申请号 GB19630007757 申请日期 1963.02.26
申请人 LUCIEN CHARLES HIPPOLYTE JUY 发明人
分类号 B62M9/134;B62M9/1348;B62M9/135;B62M9/137 主分类号 B62M9/134
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