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单词 differential pulley
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differential 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.
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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.
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更新时间:2024/12/23 9:37:18