Metal deforming – By use of closed-die and coacting work-forcer – With stripping or ejecting from tool
Patent
1976-01-19
1978-01-31
Gilden, Leon
Metal deforming
By use of closed-die and coacting work-forcer
With stripping or ejecting from tool
B21D 4500
Patent
active
040708977
ABSTRACT:
A novel method for producing an outer shell for an unitary overrunning roller clutch and roller bearing having a central section provided with camming or ramp surfaces about its circumference and on either side thereof a smooth cylindrical end section as a race for cylindrical rollers with the diameter of the inner enveloping circle of the central section being less in the area of the camming surfaces than the diameter of the end sections comprising forming a shell of sheet metal, inserting into the shell a molding punch whose outer contour corresponds to the desired inner contour of the outer shell, stretching the shell to its final outer diameter with a die moving relative to the punch whereby the shell tightly grips the molding punch and pulling the molding punch out of the shell which will elastically widen.
REFERENCES:
patent: 440130 (1890-11-01), Bray
patent: 2979188 (1961-04-01), Duffield
patent: 3191422 (1965-06-01), Bolt
patent: 3203218 (1965-08-01), Bolt et al.
Gilden Leon
Industriewerk Schaeffler OHG
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