摘要 |
1327613 Toothed gearing FEDERAL MOGUL CORP 23 Sept 1970 [12 Nov 1969] 45392/70 Heading F2Q A reinforced tooth gear comprises a gear body with circumferentially-spaced teeth 16, the bottoms of the troughs 20 between the teeth being substantially straight throughout the major portions of their lengths, and the roots of adjacent teeth being interconnected at each end by reinforcement ribs 36, 44 projecting outwardly from the bottoms of the troughs and extending across the ends of the troughs. The gear may be produced from powdered metal or powdered synthetic plastic, such as nylon. |