jack screw


jack screw
(trench shoring) винтовое распорное устройство, крепление траншей

English-Russian dictionary of labour protection . 2014.

Смотреть что такое "jack screw" в других словарях:

  • jack screw — noun same as ↑screw jack (see under ↑screw). • • • Main Entry: ↑jack * * * n. a screw that can be turned to adjust the position of an object into which it fits ■ a vehicle jack worked by a screw device. Also called screw jack …   Useful english dictionary

  • jack|screw — «JAK SKROO», noun. a tool or machine for lifting heavy weights short distances, operated by a screw: »You may have seen workmen lift the corner of a house with a large jackscrew (Beauchamp, Mayfield, and West) …   Useful english dictionary

  • jack screw — noun 1》 a screw which can be turned to adjust the position of an object into which it fits. 2》 another term for screw jack …   English new terms dictionary

  • jack screw — /dʒæk ˈskru/ (say jak skrooh) noun a threaded shaft anchored within a jack (jack1 def. 3) with a head designed for a turning device to slot into it …   Australian English dictionary

  • screw jack — noun screw operated jack • Syn: ↑jackscrew • Hypernyms: ↑jack * * * noun : jackscrew * * * jackscrew. [1710 20] * * * screw jack noun A jack for lifting heavy wei …   Useful english dictionary

  • Screw jack — Screw Screw (skr[udd]), n. [OE. scrue, OF. escroue, escroe, female screw, F. [ e]crou, L. scrobis a ditch, trench, in LL., the hole made by swine in rooting; cf. D. schroef a screw, G. schraube, Icel. skr[=u]fa.] 1. A cylinder, or a cylindrical… …   The Collaborative International Dictionary of English

  • Screw — (skr[udd]), n. [OE. scrue, OF. escroue, escroe, female screw, F. [ e]crou, L. scrobis a ditch, trench, in LL., the hole made by swine in rooting; cf. D. schroef a screw, G. schraube, Icel. skr[=u]fa.] 1. A cylinder, or a cylindrical perforation,… …   The Collaborative International Dictionary of English

  • Screw alley — Screw Screw (skr[udd]), n. [OE. scrue, OF. escroue, escroe, female screw, F. [ e]crou, L. scrobis a ditch, trench, in LL., the hole made by swine in rooting; cf. D. schroef a screw, G. schraube, Icel. skr[=u]fa.] 1. A cylinder, or a cylindrical… …   The Collaborative International Dictionary of English

  • Screw bean — Screw Screw (skr[udd]), n. [OE. scrue, OF. escroue, escroe, female screw, F. [ e]crou, L. scrobis a ditch, trench, in LL., the hole made by swine in rooting; cf. D. schroef a screw, G. schraube, Icel. skr[=u]fa.] 1. A cylinder, or a cylindrical… …   The Collaborative International Dictionary of English

  • Screw bolt — Screw Screw (skr[udd]), n. [OE. scrue, OF. escroue, escroe, female screw, F. [ e]crou, L. scrobis a ditch, trench, in LL., the hole made by swine in rooting; cf. D. schroef a screw, G. schraube, Icel. skr[=u]fa.] 1. A cylinder, or a cylindrical… …   The Collaborative International Dictionary of English

  • Screw box — Screw Screw (skr[udd]), n. [OE. scrue, OF. escroue, escroe, female screw, F. [ e]crou, L. scrobis a ditch, trench, in LL., the hole made by swine in rooting; cf. D. schroef a screw, G. schraube, Icel. skr[=u]fa.] 1. A cylinder, or a cylindrical… …   The Collaborative International Dictionary of English

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