Abstract: A movable object includes an upper frame and a drive part that is provided under the upper frame and is connected to the upper frame. The drive part includes a first actuator that is connected to the upper frame and rotates on a vertical axis, a first link that is connected to the first actuator and rotatable on the vertical axis by the first actuator, a second actuator that is provided on a first side of the first link and rotates on a horizontal axis, and a second link that faces the first link and is rotatable on a first end portion thereof facing the first link by the second actuator.

Abstract: A combined structure of a wearable apparatus includes: a torso fastening part fixedly fastened to a wearer's torso; a fixed link extending from the torso fastening part to a position above a wearer's shoulder; a first link and a second link being respectively coupled to the fixed link to be laterally rotatable, and crossing each other while being vertically spaced apart from each other; a rotatable part disposed at a position above the wearer's shoulder, and coupled to the first link and the second link to be laterally rotatable; a connecting part coupled to the rotatable part; and an upper arm module coupled to be rotatable upward or downward about the connecting part while an end thereof is coupled to the connecting part at a position corresponding to an upper end portion of a wearer's upper arm.

Abstract: Proposed is a wearable chair with a truss structure, the wearable chair including: an upper rod extending in a longitudinal direction thereof and connected to a wearer's thigh; a lower rod extending in a longitudinal direction thereof and connected to a lower leg of the wearer, the lower rod being coupled to a lower end part of the upper rod at an upper end part of the lower rod and being in contact with the ground at a lower end part of the lower rod when the wearer sits; and a support rod slidably coupled to the upper rod at an upper end part of the support rod and rotatably coupled to the lower rod at a lower end part of the support rod to support a compression force between the upper rod and the lower rod in a longitudinal direction of the support rod when the wearer sits.

Abstract: A strength assist device includes: a multi-link part including one or more links; a profile controller that is connected to one end portion of the multi-link part, and rotates around a central rotational axis; and an elastic force providing part that is connected to the other end portion of the multi-link part, and provides an elastic force to the multi-link part. When the profile controller rotates and one end portion of the multi-link part revolves around the central rotational axis, the elastic force applied to the multi-link part varies.

Abstract: A strength assist device includes: a base frame; a plurality of rotating bodies provided on left and right sides of the base frame, and rotatably connected to the base frame; a plurality of actuators rotatably connected to the respective rotating bodies, and forming respective restoring torques according to rotation angles with respect to the rotating bodies; and a cable connecting the rotating bodies. In particular, rotational motions of the rotating bodies with respect to the base frame are restricted against each other by a tension of the cable.

Abstract: A wearable apparatus for assisting muscular strength includes a base secured to a torso, a first rotary link coupled at a first end to the base to be rotatable about a first rotating axis and extending at a second end to a first side of the wearer to be moved forwards or backwards, a first extension link extending at a first end to the first side of the wearer and located at a second end on a wearer's flank, a first connecting part coupled at a first end to the second end of the first rotary link to be rotatable about a second rotating axis, and coupled at a second end to the first end of the first extension link to be rotatable about a third rotating axis, and a first upper-arm fixing part rotatably coupled at a first end to the second end of the first extension link.

Abstract: An acuator for a shift-by-wire system includes a drive motor installed inside a motor housing, the drive motor having a drive shaft, and a decelerator inside a decelerator housing coupled with the motor housing, the decelerator coupled to the drive shaft. The decelerator includes a sun gear connected to a first side of an eccentric part of the drive shaft, a ring gear engaged with the sun gear and fixed to the decelerator housing, an output shaft connected to a second side of the eccentric part, a first bearing coupled to one side of the eccentric part and supporting the sun gear, a second bearing coupled to the other side of the eccentric part and supporting the output shaft, and a power delivery unit coupled to the sun gear and the output shaft in a center region between the first and second bearings.

Abstract: Proposed is a wearable chair with a truss structure, the wearable chair including: an upper rod extending in a longitudinal direction thereof and connected to a wearer's thigh; a lower rod extending in a longitudinal direction thereof and connected to a lower leg of the wearer, the lower rod being coupled to a lower end part of the upper rod at an upper end part of the lower rod and being in contact with the ground at a lower end part of the lower rod when the wearer sits; and a support rod slidably coupled to the upper rod at an upper end part of the support rod and rotatably coupled to the lower rod at a lower end part of the support rod to support a compression force between the upper rod and the lower rod in a longitudinal direction of the support rod when the wearer sits.

Abstract: A sliding stop switch may include a first rod extending in the longitudinal direction thereof, a second rod coupled to the first rod such that one end portion thereof is slidable in the longitudinal direction of the first rod, and a switch member coupled to the first rod to slide in the longitudinal direction of the first rod and to be fixed at a plurality of points on the first rod to stop the sliding of one end portion of the second rod.

Abstract: A wearable muscular strength assisting apparatus includes a base configured to be positioned on a wearer and extending vertically, a link unit, which is configured to be positioned so as to be laterally spaced apart from the base and is configured to be connected to the wearer's upper arm, front arm or hand, a first connector, which is rotatably coupled at one end thereof to the base and extends laterally and which is rotatably coupled at a remaining end thereof to the link unit so as to connect the link unit to the base, and a second connector, which is rotatably coupled at one end thereof to the base, and extends laterally and which is rotatably coupled at a remaining end thereof to the link unit so as to connect the link unit to the base.

Abstract: A gravity compensator applied to a wearable muscular strength assisting apparatus includes a first link configured to extend parallel to a first body portion of a wearer, a second link configured to extend parallel to a second body portion and which is rotatably coupled to an end of the first link, an elastic body, which is fixed at an end thereof to the first link so as to exert an elastic force, which varies according to a length between the two ends thereof, and a connection unit, which is connected an end thereof to the other end of the elastic body and extends in a longitudinal direction of the first link and which is connected at an end thereof to the second link so as to vary a length of the elastic body by relative rotation between the first link and the second link.

Abstract: An acuator for a shift-by-wire system includes a druve motor installed inside a motor housing, the drive motor having a drive shaft, and a decelerator inside a decelerator housing coupled with the motor housing, the decelerator coupled to the drive shaft. The decelerator includes a sun gear connected to a first side of an eccentric part of the drive shaft, a ring gear engaged with the sun gear and fixed to the decelerator housing, an output shaft connected to a second side of the eccentric part, a first bearing coupled to one side of the eccentric part and supporting the sun gear, a second bearing coupled to the other side of the eccentric part and supporting the output shaft, and a power delivery unit coupled to the sun gear and the output shaft in a center region between the first and second bearings.

Abstract: A wearable apparatus for assisting muscular strength includes a base secured to a torso, a first rotary link coupled at a first end to the base to be rotatable about a first rotating axis and extending at a second end to a first side of the wearer to be moved forwards or backwards, a first extension link extending at a first end to the first side of the wearer and located at a second end on a wearer's flank, a first connecting part coupled at a first end to the second end of the first rotary link to be rotatable about a second rotating axis, and coupled at a second end to the first end of the first extension link to be rotatable about a third rotating axis, and a first upper-arm fixing part rotatably coupled at a first end to the second end of the first extension link.

Abstract: A wearable chair may include an upper rod extending in the longitudinal direction thereof, a lower rod, the upper end portion of the lower rod being rotatably coupled to the lower end portion of the upper rod, the lower end portion of the lower rod being configured to contact the ground when the user sits down, a lower leg fixing unit configured of extending in the longitudinal direction of the lower leg of the user to be coupled to the rear of the lower leg of the user, the distance between the lower leg fixing unit and the lower rod being varied when the lower leg fixing unit slides in the longitudinal direction of the lower rod, and a support rod having a lower end portion rotatably coupled to the lower rod and an upper end portion slidably coupled to the upper rod to slide within a specific section of the upper rod.

Abstract: The present disclosure provides a shift by wire (SBW) driving actuator capable of improving control performance and durability through control of a brushless direct current (BLDC) motor by an inductive sensor, and improving gear transmission efficiency by introducing a multistage teeth-shaped transmission unit configured to connect a sun gear and an output shaft of a reducer to transmit a rotational force to reduce a load resulting from eccentric rotation of the sun gear.

Abstract: An upper arm module of a wearable muscular strength assisting apparatus includes: a base part fixedly connected to a wearer's body; an upper arm part being configured such that a first end thereof is coupled to the base part to be rotatable about a fixed point, and being coupled to the wearer's upper arm to apply a rotational torque thereto; a first link configured such that a first end thereof is rotatably coupled to the base part at a point of application; a second link extending on a plane on which the upper arm part extends, and being rotatably coupled to a second end of the first link at a first point; a third link coupled to the second link at a second point to guide movement of the second point; and an elastic body generating an elastic force by deformation.

Abstract: An upper arm module of a wearable muscular strength assisting apparatus is provided. The upper arm module includes a base part configured to be connected to a wearer's body, and an upper arm part having a first end thereof coupled to the base part to be rotatable about a fixed point. The upper arm part is coupled to the wearer's upper arm to apply a torque thereto. The upper arm module further includes an elastic body having a first end thereof fixedly coupled to the upper arm part and generating an elastic force by deformation. In particular, the upper arm module also includes a first link having a first end thereof rotatably coupled to the base part at a point of application, and a second link rotatably coupled to the second end of the first link at a first point.

Abstract: A wearable apparatus for assisting muscular strength includes a back support, and a connection chain having a first end portion coupled to the back support to be rotatable upward or downward. The connection chain extends from the back of the wearer to a side thereof and includes a plurality of rotary elements arranged abreast laterally, each rotary element being rotatably coupled to an adjacent rotary element laterally. The wearable apparatus further includes an upper arm module that extends in a direction in which an upper arm of the wearer extends, one end portion of the upper arm module coupled to a second end portion of the connection chain to be rotatable upward or downward with respect to the one end portion. The upper arm module generates a rotational force for rotating the upper arm of the wearer upward or downward.

Abstract: An upper arm module of a wearable muscular strength assisting apparatus includes: a base part fixedly connected to a wearer's body; an upper arm part being configured such that a first end thereof is coupled to the base part to be rotatable about a fixed point, and being coupled to the wearer's upper arm to apply a rotational torque thereto; a first link configured such that a first end thereof is rotatably coupled to the base part at a point of application; a second link extending on a plane on which the upper arm part extends, and being rotatably coupled to a second end of the first link at a first point; a third link coupled to the second link at a second point to guide movement of the second point; and an elastic body generating an elastic force by deformation.