NASA NTRS · 19670000158
Single wrench separates nuts from free-floating bolts
Abstract
Pneumatic impact wrench removes the nuts from freely turning bolts when the heads cannot be reached or the shafts anchored. It uses a fixed screwdriver blade that fits a slot cut into the threaded end of the bolt shaft.
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Thompson, C.. 1967-05-01. Single wrench separates nuts from free-floating bolts. https://ntrs.nasa.gov/citations/19670000158
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