Patent ID: 7484314
Filing Date: 2009-02-03
Classification: G01B

Abstract:
1. A micrometer screw gauge ( 3 ) comprising a measuring spindle ( 16 ) divided into a non-rotatable, axially shiftable supported measuring screw ( 4 ) and a threaded spindle ( 17 ) that is rotatably connected to the measuring screw ( 4 ) via a coupling device ( 18 ), the coupling device ( 18 ) includes one of the threaded spindle ( 17 ) or the measuring screw ( 4 ) provided with an axial bore ( 34 ) having an interior thread ( 35 ) proximate the bore ( 34 ) while the other of the measuring screw ( 4 ) or the threaded spindle ( 17 ) without the axial bore ( 34 ) is provided with an annular groove ( 38 ), a threaded bushing ( 41 ) is seated in groove ( 38 ), the threaded bushing ( 41 ) having a lateral slit ( 43 ), said bushing ( 41 ) being screwably attached proximate the thread ( 35 ).