Tools – Wrench – screwdriver – or driver therefor – Stud-removal and implacement
Patent
1984-04-03
1986-01-07
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Stud-removal and implacement
81 13, B25B 1350
Patent
active
045627550
ABSTRACT:
A tool for installing studs or inserts into a threaded hole in a workpiece includes a power unit having a housing with a threaded nose and a spindle which can be rotated and axially pulled under power in the threaded nose. An adapter mounted on the power unit nose has a drive member which is coupled to the spindle for screwing the insert into the threaded hole and then pulling on the insert which causes a reaction sleeve to force a lock ring into the workpiece around the insert. An adapter for the stud includes a drive member having an internally threaded nut which is adjustable along its length and which is used to screw the stud into the threaded hole and then pull axially on the stud which forces the reaction sleeve to drive the lock ring into the workpiece around the stud. The insert engages a shoulder on the drive member, and the lock ring is accurately located on the drive member relative to the insert so that the top surface of the installed insert is just flush with, or slightly below, the top surface of the workpiece.
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"Maintenance Handbook for the BG1750-BG2500 Blind Fastener Guns", pp. 32-49, Copyrighted 1977, Hi-Shear Corporation, Torrance, CA.
Rexnord Inc.
Smith James G.
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