Machine element or mechanism – Mechanical movements – Rotary to or from reciprocating or oscillating
Patent
1987-10-05
1988-11-15
Herrmann, Allan D.
Machine element or mechanism
Mechanical movements
Rotary to or from reciprocating or oscillating
74785, F16H 2118, F16H 2142
Patent
active
047840056
ABSTRACT:
A crank drive has four axes extending in space and intersecting in a common point. The angles between two neighboring axes are adjustable as required. These angles are enclosed between the drive shaft and the power take-off shaft and between intermediate axes. Thus, it is possible to superimpose different individual operational sequences on one another to realize complicated transmission functions. Such so-called "spacial" crank drives are, for example, suitable for shuttleless looms having gripper rods. In such a loom the present spacial crank drive permits the adjustment of the displacement or insertion stroke of the gripper rods and the simultaneous adapting of the end positions of the gripper rods to the individual requirements while still maintaining the pause durations and permitting, if necessary, different feed advance speeds for the individual gripper rods.
REFERENCES:
patent: 128306 (1972-06-01), Harvey
patent: 232624 (1880-09-01), Zeigler
patent: 968046 (1910-08-01), Griggs et al.
patent: 3368412 (1968-02-01), Conlee
patent: 3859861 (1975-01-01), Buschi
Fasse W. G.
Herrmann Allan D.
Kane, Jr. D. H.
Lindauer Dornier Gesellschaft mbH
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