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screw jack

noun
1.
Origin
1710-1720
1710-20
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for screw jack
  • The video shows how it was done in this case: a scissors lift driven by a screw jack.
  • Each corner of the scaffold was mounted on an adjustable screw jack and caster.
  • Miscellaneous components such as screw jack extensions, clamps, and adjusting pins should be inspected as well.
  • The body then begins to turn about the end of the support, but is restrained from abrupt movement by action of the screw jack.
British Dictionary definitions for screw jack

screw jack

noun
1.
a lifting device utilizing the mechanical advantage of a screw thread, the effort being applied through a bevel drive Also called jackscrew, jack
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Value for screw

10
11
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