Metal deforming – Tool and/or tool holder – Having unitary tool-face
Patent
1975-06-09
1976-10-05
Larson, Lowell A.
Metal deforming
Tool and/or tool holder
Having unitary tool-face
72479, 72DIG15, 83698, 83700, B21D 3704
Patent
active
039837394
ABSTRACT:
A work performing member in the nature of a tool or die component comprised of multiple axially related parts including one element which has a work performing end and a shank end and a second element capping the shank end and forming an extension thereof as well as forming thereon a head. The shank end of the one element and the head provided by the other are so formed to effectively and simply key together in an unmistakable fashion whereby to prevent rotation of one relative the other and means are provided for interconnection of the head element to the shank end of the other element in a manner to achieve a pressured connection thereof. Said head element, in a preferred embodiment is further characterized by a form emphasizing the pressured and precisely related disposition of the elements in the connection thereof by the positioning thereof through the medium of alignment pins utilizing means and methods such as described in the U.S. Letters Pat. No. 3,797,352.
The work performing member of the invention is characterized by a facility of being able to be readily reduced as to its length at an intermediate station thereof on a simple and temporary removal of its head element.
REFERENCES:
patent: 2616712 (1952-11-01), Mueller
patent: 2767990 (1956-10-01), Jewell
patent: 2920913 (1960-01-01), Antila
patent: 3429212 (1969-02-01), Weisbeck
patent: 3719117 (1973-03-01), Mauk et al.
patent: 3797352 (1974-03-01), Smith
patent: 3848452 (1974-11-01), Gargrave
Bloom Jerome P.
Dayton Progress Corporation
Larson Lowell A.
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