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Expired
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Albert Carson Wright
Clayton Ashley Stubbins
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Individual
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8652. Wright, A. C., and Stubbins, C. A. April 13. Limbs, artificial.-An ankle joint for artificial feet consists of a concave plate c<5>, attached to the foot section, and a convex plate c<7>, attached to the leg section, with balls c<14> interposed between them. The convex plate c<7> has a depending strap c<8> embracing the concave plate and connected by an arm c<9> to one end of a spring c<12> situated in a longitudinal opening in the foot. The concave plate c<5> is secured to a band c which fits into an opening in the foot and rests upon a shoulder b<2>.
GB189808652D1898-04-131898-04-13Improvements in Ankle Joints for Artificial Feet.
ExpiredGB189808652A
(en)