Tools – Wrench – screwdriver – or driver therefor – Stud-removal and implacement
Patent
1986-11-10
1991-01-08
Schmidt, Frederick R.
Tools
Wrench, screwdriver, or driver therefor
Stud-removal and implacement
811211, 81125, 81459, B25B 1350
Patent
active
049826255
ABSTRACT:
An adaptor and driver unit for rotatably inserting threaded anchors into a seating position in drilled holes in rock, masonry, concrete and the like, comprising a driver with a threaded hole on the lower end into which the upper end of a threaded anchor is releasably mounted, and an adaptor releasably attached to the upper end of the driver and being adapted to be connected to a power drive means.
REFERENCES:
patent: 2326317 (1943-08-01), Amtsberg
patent: 2622466 (1952-12-01), Vanden Bos et al.
patent: 3292463 (1966-12-01), McKean
patent: 3368430 (1968-02-01), Levering
A.T. & G. Company, Inc.
Mentag Robert G.
Rachuba M.
Schmidt Frederick R.
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