| 摘要 |
1,066,693. Gear - cutting. GLEASON WORKS. March 1, 1965 [March 23, 1964], No. 54643/65. Divided out of 1,066,692. Headings B3B and B3L. A bevel gear-cutting machine comprises a rotatable cradle 2, drive means 119 for reciprocating a slide on the cradle and a counterweight 141 mounted on the cradle for non-radial movement in a plane of rotation of the cradle, the torque produced on the cradle by the two motions being in opposition. The machine is as described in Specification 1,066,692. |
