Matches 1 - 17 out of 17


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5433015 Tool for measuring a clamping force exerted by a movable spindle of a length measuring instrument  
A tool for measuring and checking the clamping force exerted by a movable spindle of a length measuring instrument such as a micrometer comprises a housing which is arranged to receive the free...
4979312 Arch wire torque measuring device  
A method and device for measuring torque in a rectangular or square orthodontic arch wire wherein the orthodontic arch wire is held relative to the torque indicator scale in such a manner that the...
4922307 Method and apparatus for improving the measuring accuracy of a micrometer  
This invention provides apparatus and method to increase the direct measurement accuracy of a rotary encoder type of micrometer 10. To overcome a maximum measurement accuracy of 100 microinches...
4223444 Acoustic micrometer  
An acoustic micrometer for measuring the exact distance between two electrically interconnected metallic objects is disclosed. The micrometer comprises a micrometer head having an electrical...
3787982 DIRECT READING MEASURING INSTRUMENTS  
An improvement in a measuring means for micrometers, verniers and the like, having measuring indicia positioned in a unique manner so as to cooperate during operation to provide fast and accurate...
3750296 PRECISION MEASURING DEVICE HAVING TWO SCALES  
A micrometer has a frame, including a hub portion, with a threaded spindle mounted for longitudinal movement. The spindle is longitudinally displaced by a rotatable drive member mounted in the...
3514865 MICROMETER HAVING A NON-ROTATING SPINDLE  
3484942 MICROMETER WITH NON-BACKLASH,NON-ROTATING LEAD SCREW  
3469320 STRAIGHT-MOVING MICROMETER  
3222790 Measuring instrument  
3199200 Micrometer amplifier  
3092913 Micrometer screw measuring instrument  
3032883 Length measuring appliances  
2880514 Interferometric micrometer  
2878571 Direct reading hand micrometer  
2829439 Direct reading measuring device  
2788582 Apparatus for measuring and gauging cylindrical and conical bores and internal screwthreads  

Matches 1 - 17 out of 17