Machine element or mechanism – Mechanical movements – Rotary to or from reciprocating or oscillating
Patent
1990-02-08
1991-11-19
Braun, Leslie A.
Machine element or mechanism
Mechanical movements
Rotary to or from reciprocating or oscillating
72345, 72427, 164347, 249 68, 425422, 425444, B21J 1314, B30B 1500
Patent
active
050656368
ABSTRACT:
In the case of a drive for a male-die-side ejector slidably disposed in a slide of a mechanical metal-forming press having an angle lever which is pivotably disposed at the slide, one leg of the lever acting upon the end of the ejector facing way from the male die and the other leg thereof being acted upon by a control cam which is driven in a timed manner and being held in contact with this control cam, a free adjustability of the moving characteristics of the ejector is achieved in that the control cam is provided at a control carriage which is slidable in a guide fixed at the frame in parallel to the moving direction of the slide, and at which a control connecting rod is applied in a bearing, this control connecting rod, at one end, being disposed eccentrically on a shaft serving also as the drive of the slide.
REFERENCES:
patent: 56897 (1866-08-01), Butler
patent: 3122033 (1964-02-01), Riemenschneider et al.
patent: 3171144 (1965-03-01), Maistros
patent: 3299453 (1967-01-01), van de Meerendonk
patent: 3699882 (1972-10-01), Keithley et al.
patent: 4552525 (1985-11-01), Stehr
Braun Rainer
Riedisser Gunter
Anchell Scott
Braun Leslie A.
L. Schuler Pressen GmbH
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