Parallel kinematics mechanism with a concentric spherical joint

Details Parallel kinematics mechanism with a concentric spherical joint Parallel kinematics mechanism with a concentric spherical joint

2004-02-27

2008-03-04

Ridley, Richard (Department: 3682)

Machine element or mechanism

Control lever and linkage systems

Multiple controlling elements for single controlled element

C074S490050, C074S490010, C901S028000, C901S029000

Reexamination Certificate

active

07337691

ABSTRACT:
A parallel kinematics mechanism is provided for uses such as robotics or machining. The mechanism has various limbs designed as elbow-linkages, at least some of which are actuatable, for moving an end component with multiple degrees of freedom. The mechanism advantageously facilitates an improved workspace-to-footprint ratio and a closed-form solution for the forward kinematics. The mechanism comprises a joint assembly having a plurality of revolute joints for connecting to at least three limbs. In various embodiments of the invention, the end component has three, four, five and six degrees of freedom.

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