Driving apparatus for activating a workpiece impelling mechanism

Details Driving apparatus for activating a workpiece impelling mechanism Driving apparatus for activating a workpiece impelling mechanism

1990-04-24

1991-10-22

Spruill, Robert L.

Metal deforming

By use of closed-die and coacting work-forcer

With stripping or ejecting from tool

72427, 10 11E, B21D 4502, B21D 4504

Patent

active

050584120

ABSTRACT:
A driving apparatus includes a driving shaft journalled in a nut former, a hollow cylinder having an axially extending bore formed eccentrically therethrough and sleeved rigidly on the driving shaft in such a manner that the driving shaft extends through the bore of the cylinder, a link sleeved removably and rotatably on the cylinder at an end thereof, and a crank having a first crank arm connected pivotally to the other end of the link and a second crank arm connected to a workpiece impelling mechanism. When the driving shaft rotates, the driving apparatus activates the workpiece impelling mechanism.

REFERENCES:
patent: 2139936 (1938-12-01), Clouse
patent: 3171144 (1965-03-01), Maistros
patent: 3238761 (1966-03-01), Hoyt
patent: 3604242 (1971-09-01), Allebach et al.
patent: 3802014 (1974-04-01), Sieben
patent: 3938208 (1976-02-01), Lee
patent: 4296625 (1981-10-01), Weller et al.
patent: 4538437 (1985-09-01), Wisebaker
patent: 4866970 (1989-09-01), Castiglioni

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