Compact Focal Plane Precision Positioning Device and Method.
Patent, Filed 24 Nov 87, patented 11 Apr 89,
DEPARTMENT OF THE AIR FORCE WASHINGTON DC
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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
- Machinery and Tools