Metal deforming – By application of fluent medium – or energy field – By kinetic energy of fluid or field
Patent
1979-01-25
1981-08-25
Crosby, Gene P.
Metal deforming
By application of fluent medium, or energy field
By kinetic energy of fluid or field
29421M, 72430, 72446, B21D 2614
Patent
active
042852242
ABSTRACT:
An electric pulse tube expander for a bed with a vertical guide and horizontal guides mounted thereon. An electrode is movably mounted on the vertical guide. Mounted on the horizontal guides are drives for moving the electrode in vertical and horizontal planes. The drives include electric motors, reducers and mechanisms for setting the distance of movement of the electrode. Each of the mechanisms comprises a reducer whose drive gear is kinematically coupled to a lead screw, whereas its driven gear has an arm affixed to, and extending from, its shaft. The arm periodically interacts with a limit switch of a tube expander control system.
REFERENCES:
patent: 2976907 (1961-03-01), Harvey
patent: 3251974 (1966-05-01), Seyfried
patent: 3528092 (1970-09-01), Barkhoudarian
patent: 3849854 (1974-11-01), Mattioli
Dmitrichenko Viktor A.
Fedorova Ljudmila M.
Mazurovsky Boris Y.
Nazarova Sima I.
Shkatov Alexandr S.
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