| 摘要 |
707,386. Disc brakes. BIRMINGHAM SMALL ARMS CO., Ltd. Dec. 17, 1951 [Sept. 16, 1950], No. 22804/50. Class 103(1) [Also in Group XXIV] Multi-disc reaction brakes 49 in a planetary change-speed gear are each applied by turning a presser-ring 45 to which an axial thrust is thereby imparted by balls 48 riding up ramps in the ring 45 and in an adjacent stationary ring 46. The presser-rings 45 are each turned by oil-pressure applied to a piston 41 acting on the ring through a single strut 42 and lever. |
