Elliptically moving mechanism
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United States of America Patent
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Jul 7, 2015
Grant Date -
May 15, 2014
app pub date -
Nov 15, 2012
filing date -
Nov 15, 2012
priority date (Note) -
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Abstract
An elliptically moving mechanism includes: a track disc formed with two tracks, the two tracks perpendicularly intersecting each other; a transmission ring rotatably fitted around a circumference of the track disc; a rocking arm positioned under the track disc; and two slide members disposed on a top face of the rocking arm. The rocking arm is connected to the two tracks via the two slide members. The two slide members are slidable along the two tracks respectively. When the transmission ring is rotated, the rocking arm is driven by the transmission ring to move in an elliptical path. The elliptically moving mechanism is easy to manufacture and assemble and has a small volume and is lightweight. Moreover, the mechanism provides different elliptical paths of different sizes.
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