Abstract:
A walking assist device including a waist assembly and at least one leg assembly connected to the waist assembly is provided. The leg assembly includes a thigh stand, a shank stand, a sole, a hip joint, a knee joint and an ankle joint. The hip joint is pivoted to the thigh. The knee joint is pivoted to the thigh stand and connected to the shank stand. The ankle joint includes at least a flexible plate and an elastic member. The flexible plate includes a first end and a second end opposite to each other. The first end is pivoted to the shank stand directly or indirectly, the second end is connected to the sole, and the elastic member presses the first end of the flexible plate.
Abstract:
A walking assist device including a waist assembly and at least one leg assembly connected to the waist assembly is provided. The leg assembly includes a thigh stand, a shank stand, a sole, a hip joint, a knee joint and an ankle joint. The hip joint is pivoted to the thigh. The knee joint is pivoted to the thigh stand and connected to the shank stand. The ankle joint includes at least a flexible plate and an elastic member. The flexible plate includes a first end and a second end opposite to each other. The first end is pivoted to the shank stand directly or indirectly, the second end is connected to the sole, and the elastic member presses the first end of the flexible plate.
Abstract:
A differential-velocity driving device and a mechanical arm to which the differential-velocity driving device is applied are provided. The differential-velocity driving device includes a first rotary driving element, a first transmission gear connected to the first rotary driving element, a second rotary driving element, a second transmission gear connected to the second rotary driving element, a fixing member connected to the first rotary driving element and the second rotary driving element such that the first rotary driving element does not move or rotate with respect to the second rotary driving element, a power output gear engaged with the first transmission gear and the second transmission gear, and an output shaft passing through an axle center of the power output gear and being coaxial with the axle center.