Mechanism for transmitting rotational motion from one shaft to a

Details Mechanism for transmitting rotational motion from one shaft to a Mechanism for transmitting rotational motion from one shaft to a

1989-11-21

1991-04-23

Herrmann, Allan D.

Machine element or mechanism

Power take-off

From shaft extension

74 65, 74 67, 123 9031, 475162, 475174, F16H 2100, F01L 100

Patent

active

050091140

ABSTRACT:
A mechanism for transmitting rotational motion from an input shaft to an output shaft includes a link which is constrained to move about an orbital path, the input shaft being coupled to the link so that rotation thereof will drive the link about its orbital path, and the output shaft being coupled to the link so that orbital motion of the link will cause the output shaft to rotate. One of the shafts is coupled to the link by means of a pair of interengaging components, one component being provided on the shaft for rotation therewith and the other component being pivotally mounted on the link, the pivotal axis of the component moving in a circular path upon rotation of the link, the axis of said circular path coinciding with the axis of rotation of the link, a lever being pivotally connected at one end to the component mounted on the link and at the other end to a pivot isolated from movement of the link, so that upon movement of the link about its orbital path an oscillatory rotation will be imposed on the component mounted on the link thus providing a sinusoidal variation in rotation of the shaft relative to the link.

REFERENCES:
patent: 1392597 (1921-10-01), Ricardo
patent: 1537832 (1925-05-01), Lafitte
patent: 1971885 (1934-08-01), Viale
patent: 4674361 (1987-06-01), Parsons

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