Shaft abutment screw, especially for an electric motor, and a me

Threaded – headed fastener – or washer making: process and apparat – Process – Making externally threaded fastener – e.g. – screw or bolt

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470 10, B21H 302

Patent

active

057826978

ABSTRACT:
A method of making a shaft abutment screw, especially for axial engagement with an armature shaft of an electric motor, includes the following steps:

REFERENCES:
patent: 1098716 (1914-06-01), Garrison
patent: 1243818 (1917-10-01), Cummins
patent: 1978372 (1934-10-01), Purtell
patent: 4136416 (1979-01-01), Thomas
patent: 4713122 (1987-12-01), Dawes et al.
patent: 5205466 (1993-04-01), Ker
patent: 5308286 (1994-05-01), Uejima
Industrial Fasteners Handbook, 2nd Edition, Trade & Technical Press Limited, Morden, Surrey (UK) 1980, pp. 133, 134, table 1.
IBM Technical Disclosure Bulletin, vol. 34, No. 4A, Sep. 1991 Armonk,. NY, p. 264.
French Search Report 2 Jan. 1996.

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