20240019683. ROTARY RECIPROCATING DRIVE ACTUATOR simplified abstract (Unknown Organization)

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ROTARY RECIPROCATING DRIVE ACTUATOR

Organization Name

Unknown Organization

Inventor(s)

Yuki Otsuka of Tokyo (JP)

Yasutaka Kitamura of Tokyo (JP)

Masaharu Kagami of Tokyo (JP)

Yuki Takahashi of Tokyo (JP)

Kai Masamoto of Tokyo (JP)

ROTARY RECIPROCATING DRIVE ACTUATOR - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240019683 titled 'ROTARY RECIPROCATING DRIVE ACTUATOR

Simplified Explanation

The abstract describes a rotary reciprocating drive actuator that includes a movable body with a shaft part and a magnet, capable of performing a reciprocating rotation. The base portion supports the shaft part via a bearing, allowing it to rotate. The core assembly consists of a core body with magnetic poles, a coil body energized to cause the reciprocating rotation, and a magnet position holding portion that generates a magnetic attraction force to define a reference position. The preload applying part is externally fitted to the shaft part and applies a preload to the bearing.

  • The actuator has a movable body with a shaft part and a magnet, allowing for reciprocating rotation.
  • The base portion supports the shaft part via a bearing, enabling rotation.
  • The core assembly includes a core body with magnetic poles, a coil body, and a magnet position holding portion.
  • The coil body is energized to cause the reciprocating rotation of the movable body.
  • The magnet position holding portion generates a magnetic attraction force to define a reference position.
  • The preload applying part externally fitted to the shaft part applies a preload to the bearing.

Potential Applications:

  • Robotics: The actuator can be used in robotic systems to provide reciprocating rotational motion.
  • Automation: It can be applied in automated machinery for various tasks requiring reciprocating rotation.
  • Automotive: The actuator may find use in automotive applications, such as engine components or transmission systems.

Problems Solved:

  • Precise Control: The actuator allows for precise control of reciprocating rotational motion.
  • Compact Design: The design of the actuator enables a compact and efficient mechanism.
  • Stability: The bearing and preload applying part ensure stability during operation.

Benefits:

  • Versatility: The actuator can be used in various applications due to its ability to provide reciprocating rotation.
  • Efficiency: The design and control of the actuator result in efficient energy usage.
  • Precision: The actuator allows for precise control and positioning of the reciprocating rotational motion.


Original Abstract Submitted

a rotary reciprocating drive actuator includes: a movable body including a shaft part to which a magnet is fixed and being capable of performing a reciprocating rotation around an axis; a base portion including a pair of wall portions for supporting the shaft part via a bearing such that the shaft part is rotatable; a core assembly including: a core body having a plurality of magnetic poles facing an outer circumference of the magnet to sandwich the magnet, a coil body wound around the core body and energized to cause a reciprocating rotation of the movable body, and a magnet position holding portion generating a magnetic attraction force between the magnet position holding portion and the magnet to define a reference position of the reciprocating rotation; and a preload applying part externally fitted to the shaft part and configured to apply a preload to the bearing.

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