Patent ID: 9675514
Date: 2017-06-13
CPC Classifications: A61H

Claim:
1. An exoskeleton for a limb of a user wherein the limb has an upper limb connected to the body of the user and a lower limb, the exoskeleton comprising: a) a body portion; b) at least one limb structure comprising an upper limb portion moveably mounted to the body portion and a lower limb portion moveably mounted to the upper limb portion; c) a first drive motor provided on the upper limb portion whereby the first drive motor is adapted to move with the upper limb, the first drive motor having a motor axis that extends generally parallel to and laterally spaced from a longitudinal axis of the upper limb portion; and, d) a first drive force transmission mechanism drivingly connecting the first drive motor to one of the body portion and the lower limb portion, the first drive force transmission mechanism comprising a first transfer member extending transverse to the motor axis and driven by the first drive motor, a drive gear provided on the first transfer member, and a first gear provided on one of an upper end of the lower limb portion or on the body portion and driven by the drive gear, the first gear having teeth and a longitudinal axis that intersects the teeth wherein when the first gear is provided on the upper end of the lower limb portion, the longitudinal axis of the first gear is coaxial with a longitudinal axis of the lower limb portion and when the first gear is provided on the lower end of the body portion, the longitudinal axis of the first gear is coaxial with a longitudinal axis of the body portion.