Accession Number : ADD014114

Title :   Compact Focal Plane Precision Positioning Device and Method.

Descriptive Note : Patent, Filed 24 Nov 87, patented 11 Apr 89,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : DeForrest, Allen L

Report Date : 11 Apr 1989

Pagination or Media Count : 4

Abstract : This patent discloses a method of precisely positioning a first terminal portion of an elongated tensile rod with respect to a base member coupled to a second terminal portion of the tensile rod which has a threaded portion, involves providing an electrical strain gage measurement device affixed to the tensile rod, a load tube positioned about the rod, having a first terminal portion positioned against the base member, and tightening a nut member over the threaded portion of the rod and against the load tube for producing compression of the tube and tension within the rod until a signal produced by the strain gage measuring device indicates a desired position of a terminal portion of the rod with respect to the base member. Keywords: Optical equipment components; Positioning devices (Machinery). (JHD)

Descriptors :   *OPTICAL EQUIPMENT COMPONENTS, *PATENTS, *STRAIN GAGES, *POSITIONING DEVICES(MACHINERY), COMPRESSION, MEASURING INSTRUMENTS, POSITION(LOCATION), RODS, TENSILE PROPERTIES, TUBES

Subject Categories : Machinery and Tools
      Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE