Machine element or mechanism – Mechanical movements – Rotary to or from reciprocating or oscillating
Patent
1978-08-07
1981-02-10
Kee Chi, James
Machine element or mechanism
Mechanical movements
Rotary to or from reciprocating or oscillating
74117, 74571R, 74835, 74836, F16H 2142, F16H 2904
Patent
active
042494249
ABSTRACT:
The invention achieves a method and a device for providing infinitely variable adjustment to the throw of an eccentric from zero to a maximum while the eccentric is permitted to continuously travel in angular motion. This is achieved by two juxtaposed and eccentric members mounted on a drive shaft, one (the outer) overriding, the other (the inner). The eccentric members may be relatively positioned by a control shaft, which extends coaxially through the drive shaft, and gearingly mates with the outer eccentric member. The outer surface of the outer eccentric can be arranged (by relatively positioning the outer and inner eccentric members) to trace the loci of points of a circle, whereupon no reciprocation takes place, or of a family of ellipses of varying eccentricity, whereby reciprocation is achieved in correspondence to the relative eccentricity in the path of travel of the outer surface.
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Publication of Maschinen Fabrik-Rudolph Hausherr & Sohne-Sprockhovez, West Germany-Nov. 1977.
Publication of Link-Belt (A Division of Rexnord Inc.), Milwaukee, Wis.
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