| 单词 | differential pulley |
| 释义 | > as lemmasdifferential pulley differential pulley n. Mechanics a pulley having a block with two rigidly connected wheels or sheaves of different diameters, the chain or rope unwinding from one as it winds on to the other. ΘΚΠ society > occupation and work > equipment > lifting or hoisting equipment > [noun] > tackle > pulley > types of ram-head1611 pentaspast1702 differential pulley1833 jackanapes1844 well pulley1855 brake-pulley1873 1833 Repertory Patent Inventions 16 74 My [sc. J. Saxton's] invention consists in the application of pulleys of different diameters, which I denominate, ‘The differential Pulleys’. 1917 H. S. Carhart & H. N. Chute Physics with Applic. vi. 168 A practical advantage of the differential pulley is that there is always enough friction to keep the weight from dropping. 2009 O. A. Bauchau & J. I. Craig Struct. Anal. ix. 418 The mechanical advantage of the differential pulley increases as radii ri and r0 approach equal values. < as lemmas |
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