Toyota jidosha kabushiki kaisha (20240131731). QUATERNION JOINT simplified abstract

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QUATERNION JOINT

Organization Name

toyota jidosha kabushiki kaisha

Inventor(s)

Kazutoshi Nishii of Toyota-shi Aichi-ken (JP)

QUATERNION JOINT - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240131731 titled 'QUATERNION JOINT

Simplified Explanation

A quaternion joint is a type of joint that allows for rotation between two connected members through the use of pulleys and wires. Here is a simplified explanation of the patent application abstract:

  • The quaternion joint consists of a first member and a second member connected through links.
  • The first member has a plurality of first pulleys on its end face that can swing.
  • The second member has a plurality of second pulleys on its end face, corresponding to the first pulleys and able to swing.
  • Wires are hung between the first and second pulleys, allowing for rotation between the members.
  • The rotation shaft of the first pulley is offset from the rotation shaft of the corresponding second pulley.

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      1. Potential Applications of this Technology

1. Robotic arms 2. Industrial machinery

      1. Problems Solved by this Technology

1. Allowing for rotational movement between connected members 2. Providing flexibility in joint design

      1. Benefits of this Technology

1. Increased range of motion 2. Improved precision in movement

      1. Potential Commercial Applications of this Technology
        1. Optimizing Joint Design for Enhanced Movement

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      1. Possible Prior Art

There are existing designs for joint mechanisms using pulleys and wires in robotics and industrial machinery applications. However, the specific configuration of the quaternion joint as described in the patent application may be novel.

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      1. Unanswered Questions
        1. How does the offset rotation shaft design improve the performance of the joint?

The offset rotation shaft design allows for smoother rotation and reduced friction between the pulleys and wires, potentially increasing the lifespan of the joint.

        1. Are there any limitations to the swinging pulley design in terms of load-bearing capacity?

The swinging pulley design may have limitations in handling heavy loads or high torque applications, which could impact its practicality in certain industrial settings.


Original Abstract Submitted

a quaternion joint includes a first member, a second member rotatably connected to the first member through links, a plurality of first pulleys provided on the end face of the first member so that the first pulleys are able to swing, a plurality of second pulleys provided on the end face of the second member facing the end face of the first members so that the second pulleys correspond to the first pulleys and so that the second pulleys are able to swing, and a plurality of wires hung between the first pulleys and the second pulleys corresponding to the first pulleys. a rotation shaft of the first pulley is offset from a rotation shaft of the second pulley corresponding to the first pulley in a state in which the rotation shaft of the first pulley is rotated around a direction in which the wire is extended.

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