Accession Number : ADD017543

Title :   Jack Mechanism having Positive stop Means for its Crank Handle

Descriptive Note : Patent, Filed 18 Jan 94, patented 4 Apr 95,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Crockett, Watkins, IV ; Baird, Bernard W

Report Date : 04 Apr 1995

Pagination or Media Count : 8

Abstract : A jack mechanism having a crank handle that drives a linear motion control ball nut and threaded screw. Two rods are included to provide a positive stop in each direction of the jack's limit so as to prevent overrun of the mechanism.

Descriptors :   *PATENTS, *JACKS(LIFTS), LIMITATIONS, RODS, CRANKSHAFTS

Subject Categories : Construction Equipment, Materials & Supplies
      Couplers, Fasteners, and Joints

Distribution Statement : APPROVED FOR PUBLIC RELEASE