Robot arm assembly
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United States of America Patent
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Apr 30, 2013
Grant Date -
Sep 29, 2011
app pub date -
Apr 30, 2010
filing date -
Mar 24, 2010
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A robot arm assembly includes a first robot arm and a second robot arm rotatably connected to the first robot arm. The first robot arm includes a first sleeve, a first input shaft, and a second input shaft. The first input shaft and the second input shaft are seated in the first sleeve. The second robot arm includes a second sleeve and an output shaft received in the second sleeve. The first input shaft is connected to the second sleeve via a pair of bevel gears, and drives the second sleeve to rotate relative to the first sleeve. The second input shaft is connected to the output shaft via at least two pairs of bevel gears, and drives the output shaft to rotate relative to the second sleeve.
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