| 摘要 |
507,881. Hydraulic machines. ROCKFORD MACHINE TOOL CO. April 1, 1938, No. 33577. Convention date, April 8, 1937. Divided out of 507,363. Drawings to Specification. [Class 69 (ii)] [Also in Group XXII] A hydraulic shaper or other machine tool has a hydraulic motor for reciprocating a carriage and a fluid supply system for the motor including a number of control valves each having a casing, all the valve casings and the motor casing being cast as a single integral member. The machine embodiment is the same as that described in Specification 507,363. |
