The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 16, 1996
Filed:
Feb. 17, 1994
Sen-Jung Chen, Taipei City, TW;
Other;
Abstract
An artificial foot includes a foot-shaped casing that has an open top, a closed bottom, a toe portion, a heel portion and a positioning projection that is formed in the casing and that extends upwardly from the closed bottom. A flexible muscle member is disposed in the casing and has an upwardly protruding curved intermediate section mounted to the positioning projection, and first front and rear sections that respectively extend from the intermediate section frontwardly and rearwardly into the toe and heel portion. A rigid stop member has a weight bearing section that covers the open top of the casing, a curved bottom part riding on the intermediate section of muscle member, and a second front section that extends downwardly and frontwardly into the toe portion so as dispose the same above the first front section of the muscle member. A second rear section of the stop member extends into the heel portion so as to dispose the same above the second rear section of the muscle member.