Parallel robot

Details Parallel robot Parallel robot

2010-01-12

2011-11-01

Ridley, Richard W (Department: 3656)

Machine element or mechanism

Control lever and linkage systems

Multiple controlling elements for single controlled element

C074S490060, C901S015000, C901S023000, C901S029000

Reexamination Certificate

active

08047093

ABSTRACT:
A parallel robot including a movable-section drive mechanism having a parallel mechanism configuration and operating to allow a movable section to perform a three-axis translational motion with respect to a base section; and a wrist-section drive mechanism operating to allow a wrist section to perform a rotational motion with respect to the movable section. The wrist-section drive mechanism includes a hollow outer holder connected to the base section rotatably about a first rotation axis; a hollow intermediate holder provided in the outer holder rotatably about a second rotation axis orthogonal to the first axis; a hollow inner holder provided inside the intermediate holder rotatably about a third rotation axis orthogonal to the second axis; a prime mover driving the outer holder to rotate about the first axis; and a transmission member received in the inner holder and linearly movable in a rotationally restrained state along a linear-motion axis orthogonal to the third axis, and connected at one end spaced from the inner holder to the wrist section through a universal joint. The transmission member operates to transmit a rotation of the outer holder about the first axis to the wrist section, and to allow the wrist section to perform a rotational motion about a fourth rotation axis orthogonal to the third axis.

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Notice of Reasons for Rejection for Application No. JP2009-018519 issued Jun. 15, 2010.
Office Action for DE 10 2010 006 155.7-15 mailed Mar. 21, 2011.

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