| 摘要 |
778,186. Revolving cylinder pumps. VICKERS, Inc. April 7, 1954, No. 10158/54. Class 102(1) [Also in Group XXIX] In a revolving cylinder pump, the cylinder block 34 is mounted on a splined portion 70 of a shaft 72 and the pistons 38 have spherical ends 40 in which are mounted shoes 42 engaging an inclined plate 46. A plate 56 has apertures 58 which fit over the shoes 42 and the plate 56 is engaged, by a collar 62 on a sleeve 60 that has a conical aperture 64 which engages the spherical surface 66 of a collar 68 that is fitted on the splines 70. A spring 74, through thrust plates 78, 80, urges the cylinder block into contact with a valve plate 44, and through pins 84, engaging collar 68, urges the shoes 42 into contact with the inclined plate 46. Specifications 645,420 and 767,804 are. referred to. |
