- screw-operated jack
Found on http://www.webdictionary.co.uk/definition.php?query=jackscrew
A bolt or screw attached to the baseplate or foundation that is used to move or position the machine that is being moved.
Found on http://www.diracdelta.co.uk/science/source/j/a/jackscrew/source.html
A jack in which a screw is used for lifting, or exerting pressure. See Illust.
of 2d Jack
Found on http://www.encyclo.co.uk/webster/J/1
A jack in which a screw is used for lifting, or exerting pressure. See Jack. ... Source: Websters Dictionary ... (01 Mar 1998) ...
Found on http://www.mondofacto.com/facts/dictionary?jackscrew
screw jack noun
Found on http://wordnetweb.princeton.edu/perl/webwn?s=jackscrew
• (n.) A jack in which a screw is used for lifting, or exerting pressure. See Illust. of 2d Jack, n., 5.
Found on http://thinkexist.com/dictionary/meaning/jackscrew/
Type: Term Pronunciation: jak′skrū Definitions: 1. A threaded device used in appliances for the separation of approximated teeth or jaws.
Found on http://www.medilexicon.com/medicaldictionary.php?t=46139
A jackscrew is a type of jack which is operated by turning a leadscrew. In the form of a screw jack it is commonly used to lift heavy weights such as the foundations of houses, or large vehicles. ==Advantages== However, most screw jacks have large amounts of friction which increase the input force necessary, so the actual mechanical advantage is o
Found on http://en.wikipedia.org/wiki/Jackscrew
jackscrew: see screw.
Found on http://www.infoplease.com/ce6/sci/A0914804.html
A device used for leveling the positioning of a motor. These devices are adjustable screws fitting o
Found on http://www.superglossary.com/Glossary/Technology/Motors/
No exact match found