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An adjustable resilient foot prosthesis

  • US 5,376,133 A
  • Filed: 10/01/1992
  • Issued: 12/27/1994
  • Est. Priority Date: 04/02/1990
  • Status: Expired due to Term
First Claim
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1. An artificial foot comprised of:

  • a foot blade and a hollow housing, wherein said foot blade extends at an angle to and is connected to said housing so as to permit relative movement between said housing and said foot blade,an elongated brace for adjusting the angular position of said foot blade with respect to said housing, wherein one end of said brace is displaceably and adjustably attached to said housing by means of attachment to a shaft with a ball screw engaged with a ball nut disposed within said housing, wherein the other end of said brace is connected to said foot blade so as to permit relative movement between said housing and said foot blade, andbrake means for selectively locking and unlocking said ball nut with respect to said housing in order to adjust the angular position of said foot blade with respect to said housing.

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