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. |