Metal working – Method of mechanical manufacture – With testing or indicating
Reexamination Certificate
2005-05-17
2005-05-17
Bryant, David P. (Department: 3726)
Metal working
Method of mechanical manufacture
With testing or indicating
C029S714000, C029S243526, C029S525110, C029S243530, C072S391800, C072S453170
Reexamination Certificate
active
06892431
ABSTRACT:
A hand held spin-pull tool for securing a hollow threaded insert into a substrate. The hand held tool of the invention has at least the following components: a) a switch activated (closed) by manual movement; b) a rotatable drive activatable in response to the closed switch where the rotatable drive has an attached drive shaft in turn having an attached threaded mandrel so that upon activation the mandrel rotates so that threads of the mandrel mate with the threads of the insert; c) a nose retainer position detector for detecting when the nose retainer reaches the flange of the insert; d) a controller for stopping the rotation in response to detecting when the nose retainer reaches the flange of the insert; e) a cylinder and piston where the piston has a central bore retaining the drive shaft that passes through the bore; f) a slide coupling connecting the drive shaft with the drive; g) a hydraulic system for applying pressure to the piston to move the piston, drive shaft and attached mandrel to collapse the intermediate portion of the insert to grip the second surface of the substrate; h) a controller for activating and controlling the hydraulic system for applying pressure to the piston in response to detecting when the nose retainer reaches the flange of the insert; i) an insert collapse detector for detecting when the intermediate portion has collapsed to grip the second surface of the substrate; and j) a controller for disengaging the hydraulic system and for turning the drive in a reverse direction to disengage the mandrel from the threads of the insert. The invention includes a method using the tool of the invention for installing an insert.
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Campbell Frederick A.
Clough Jeffrey S.
Diehl Jesse J.
Thomas James M.
Bryant David P.
Dunn Michael L.
Kenny Stephen
Meikle NY, Inc.
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