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US 2021/0199522 A1Published application
Series elastic actuator
AssigneeLG Electronics Inc.
InventorHuichang PARK
Life of this patent
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Abstract
A series elastic actuator includes a gear configured to rotate, an output body configured to rotate by the gear, and an elastic body connecting the gear and the output body. The elastic body may include an outer ring fastened to the gear, an inner ring positioned inside the outer ring and fastened to the output body, and a deformation portion connecting the outer ring and the inner ring and deforming elastically. The elastic body may include a plurality of elastic bodies connected in parallel or in series.
Claims19
An elastic actuator comprising:
- a gear configured to transmit a rotational force;
- an output body configured to rotate by the gear;
- and
- at least one elastic body coupling the gear and the output body, wherein the elastic body includes:
- an outer ring coupled to the gear,
- an inner ring provided radially inside of the outer ring and coupled to the output body;
- and
- a midsection connecting the outer ring and the inner ring and configured to be elastically deformed based on at least one of a movement of the outer ring or the inner ring.
5 more elements
An elastic actuator comprising:
- a gear configured to transmit a rotational force;
- an output body configured to rotate by the gear;
- a plurality of elastic bodies, each elastic body including an outer ring, an inner ring provided radially inside the outer ring, and a midsection provided between the outer ring and the inner ring and configured to elastically deform, wherein the plurality of elastic bodies are configured to transmit the rotational force of the gear to the output body;
- and
- a plurality of connecting pins extending in a direction parallel to an axial direction of the gear and connecting inner rings of the plurality of elastic bodies to each other.
2 more elements
Dependencies are inferred from the claim text.