Metal deforming – By deflecting successively-presented portions of work during... – To form helical coil or tube
Patent
1995-07-28
1998-03-24
Larson, Lowell A.
Metal deforming
By deflecting successively-presented portions of work during...
To form helical coil or tube
724811, 72462, 407 83, B21F 302, B21D 3701, B21D 3704
Patent
active
057300178
ABSTRACT:
A cutter unit for mounting to a slide on a spring coiling machine, comprising a holder having an arm portion, extending along a first direction, for mounting to the coiling machine and a head portion extending along a second direction perpendicular to the first direction and defining an adjustable bore having an axis which extends in a third direction perpendicular to the first and second directions. A plug is insertable coaxially within the adjustable bore and sized to provide axial and rotational degrees of freedom within the bore. The plug includes a front face having a slot oriented transversely to the axis of the bore and sized to receive a cutting tool, and screws or the like for fixing the tool in the slot. A bolt or the like is carried by the head portion, for adjusting the bore to selectively permit axial and rotational movement of the insert therein, and to prevent said movement.
REFERENCES:
patent: 1088569 (1914-02-01), Hane
patent: 1120783 (1914-12-01), Amborn
patent: 1413490 (1922-03-01), Pretsch
patent: 1606718 (1926-11-01), Orup
patent: 2119002 (1938-05-01), Bergevin et al.
patent: 2304771 (1942-12-01), Davis
patent: 5131251 (1992-07-01), Jacobson
patent: 5201208 (1993-04-01), Jacobson
Butler Rodney A.
Larson Lowell A.
Newcomb Spring Corporation
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