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US 12,734,084 B2Granted
Assistance device and moving device using same
AssigneeQOLO, Inc.
InventorKai Sasaki
Life of this patent
Estimating the term…
Abstract
An assistance device that can independently control an assistance of a bending and stretching motion of a knee and an assistance of an upper body posture is provided. An assistance device includes a base, a first link fixed to the base, a second link rotatably coupled to the first link, a third link rotatably coupled to the second link, and an elastic connection portion incorporated between a predetermined position on the first link or the base and the third link.
Claims11
An assistance device comprising:
- a base;
- a first link fixed to the base and non-rotatable relative to the base;
- a second link rotatably coupled to the first link;
- a third link rotatably coupled to the second link to support a back of a user;
- and
- an elastic connection portion having a first end fixed to a predetermined position on the first link or the base, and a second end fixed to the third link.
3 more elements
An assistance device comprising:
- a base;
- a first link fixed to the base;
- a second link rotatably coupled to the first link;
- a third link rotatably coupled to the second link;
- an elastic connection portion incorporated between a predetermined position on the first link or the base and the third link;
- and
- a stopper mechanism that is connected between the first link or the base and the third link and limits a range of a clockwise rotation angle of the third link with respect to the second link, wherein
- the stopper mechanism has a slider structure that is extendable, one end of the slider structure is connected to a first coupling point on the first link or the base, and an other end of the slider structure is connected to a second coupling point on the third link.
5 more elements
An assistance device comprising:
- a base;
- a first link fixed to the base;
- a second link rotatably coupled to the first link;
- a third link rotatably coupled to the second link;
- an elastic connection portion incorporated between a predetermined position on the first link or the base, and the third link;
- and
- a stopper mechanism that is connected between the first link or the base and the third link and limits a range of a clockwise rotation angle of the third link with respect to the second link, wherein
- one end of the stopper mechanism is connected to the first link, and an other end of the stopper mechanism is connected to the third link, and
- one end of the elastic connection portion is connected to the first link via the stopper mechanism, and an other end of the elastic connection portion is connected to the third link.
6 more elements
Dependencies are inferred from the claim text.