JOINT AND ROBOT

Provided are a joint mechanism and a robot capable of securing a hollow diameter and suppressing a backlash. The joint mechanism includes a motor including a hypoid pinion provided at a tip end of a motor shaft, and a speed reducer reducing a rotation speed of the motor at a predetermined speed redu...

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Bibliographic Details
Main Authors TSUTSUMI SHINGO, TANAKA KENTARO, ICHIBANGASE ATSUSHI
Format Patent
LanguageEnglish
Korean
Published 20.08.2014
Subjects
CHAMBERS PROVIDED WITH MANIPULATION DEVICES
HAND TOOLS
MANIPULATORS
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
TRANSPORTING
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Summary:Provided are a joint mechanism and a robot capable of securing a hollow diameter and suppressing a backlash. The joint mechanism includes a motor including a hypoid pinion provided at a tip end of a motor shaft, and a speed reducer reducing a rotation speed of the motor at a predetermined speed reduction ratio. The speed reducer includes a screw-shaped input shaft and a ring-shaped gear. The screw-shaped input shaft includes a shaft body provided with a screw portion, and a hypoid gear arranged at one end of the screw-shaped input shaft and configured to engage with the hypoid pinion. The screw-shaped input shaft has an axis intersecting a motor shaft at a right angle three-dimensionally. The ring-shaped gear engages with the screw-shaped input shaft and has an axis intersecting the screw-shaped input shaft at a right angle three-dimensionally.
Bibliography:Application Number: KR20140014290