| 摘要 |
931,707. Turning. DAIMLER-BENZ A.G. May 23, 1961 [May 27, 1960], No. 18582/61. Class 83 (3). [Also in Group XXIV] In a rigid coupling in which the coupled members are formed with interengaging circumferential sinusoidal projections and recesses (see Group XXIV), the latter are produced in a lathe by a cutting-tool 19 reciprocated in directions 21, 23 parallel or perpendicular to the longitudinal axis for axially-extending or radiallyextending formations, respectively. |
