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Adjustable drill bar replaces complex jigsAdjustable drill bar incorporates a micrometer screw which, when used in conjunction with standard gage blocks, provides rapid method of drill hole location and reduces time and skill requirements for precision drilling on large surfaces. Device picks up oddly dimensioned tool hole points and acts as sine drill bar.
Document ID
19700000529
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Coventry, J. H. (N. AM. ROCKWELL CORP.)
Date Acquired
August 5, 2013
Publication Date
December 1, 1970
Subject Category
Machinery
Report/Patent Number
MSC-15624
Report Number: MSC-15624
Accession Number
70B10547
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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