Control mechanism for artificial ankle

• US 2,843,853 A
• Filed: 11/26/1956
• Issued: 07/22/1958
• Est. Priority Date: 11/26/1956
• Status: Expired due to Term

• Current Assignee: Hans A. Mauch
• Original Assignee: Hans A. Mauch
• Inventors: Mauch, Hans A.
• Application Number:
  US03/624,303
• Time in Patent Office: 603 Days
• US Class Current: 623/52
• CPC Class Codes: A61F 2/6607 Ankle joints
• CPC Class Codes: A61F 2/74 fluid , i.e. hydraulic or pneumatic
• CPC Class Codes: A61F 2/744 Vane- or curved-cylinder type actuators, e.g. actuators using rotary pistons
• CPC Class Codes: A61F 2002/501 having an inflatable pocket filled with fluid, i.e. liquid or gas
• CPC Class Codes: A61F 2002/503 for adjusting elasticity, flexibility, spring rate or mechanical tension
• CPC Class Codes: A61F 2002/5069 Ball bearings
• CPC Class Codes: A61F 2002/5075 Multiple spring systems including two or more helical springs

Claims