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  • CHEMICAL TECHNOLOGY DIVISION ANNUAL PROGRESS REPORT FOR PERIOD ENDING MAY 31, 1968.
    Previously reported problems with the screw drives for radiation shielding doors Nos. 2 and 3 have apparently been resolved by the installation of ball screw and nut assemblies to replace the modified square - thread mechanical screw jacks .
  • Development of a Motor-Based Differential Settlement Simulator Setup for a Geotechnical Centrifuge
    Screw Jack—A screw jack of 42 mm outer diameter with single square thread having a pitch of 4.5 mm was used in the present study.
  • A Dictionary of Mechanical Engineering
    screw jack A jack consisting of a nut and square - threaded shaft where rotation of the nut raises or lowers the jack.
  • A sensitive manostat
    To the top of this jack is attached a platform (7 x 9 in.) through another square - threaded screw (8) per- .
  • A simple universal X-ray camera stand
    To the top of this jack is attached a platform (7 x 9 in.) through another square - threaded screw (8) per- .
  • Statics with MATLAB®
    Consider a square - threaded jack under the action of a axial load F and a moment M about the axis of the screw , Fig.5.15.
  • Shifting cathedral to new location, Czechoslovakia
    The piston of each jack had a square thread at the top, witha nut set on it: as the piston advanced, the nut was automatically screwed up, and thus restrained the piston from dropping in the event that oil leakage oc- curred …
  • Screw jack
    A screw jack mechanism consists of a thrust collar and a nut which rides on a bolt; the threads between the nut and bolt normally have a square shape.
  • noun.dat (finlayson-gwc2014.zip)
    … 0 003 @ 03198235 n 0000 ~ 02212887 n 0000 ~ 02666630 n 0000 | mechanism for exerting pressure or lifting 02666630 06 n 02 jackscrew 0 screw_jack 0 001 @ 02666501 n 0000 | screw -operated jack 02666718 06 n 02 … … 0 001 @ 02667108 n 0000 | a woman's fitted jacket 02667728 06 n 01 Eton_jacket 0 001 @ 02667108 n 0000 | a waist-length jacket cut square at the bottom 02667832 … … shuttle between the warp threads 02668512 06 n 01 …