Arrestable knee joint
First Claim
1. An arrestable knee joint, comprising:
- a thigh member;
a lower leg member rotatably articulated on said thigh member to form a knee joint capable of rotating between an angular orientation of said members and an extended position of said members; and
means for releasably arresting said members in the extended position, said arresting means comprising a spring-loaded arresting element mounted in said lower leg member, means associated with said thigh member for engaging said arresting element when said members are in the extended position, a rocker arm assembly having a first arm attached to said arresting element and a second arm extending away from a rotational axis of the rocker arm assembly on a side opposite from said first arm, and a Bowden wire inserted into said lower leg member and attached to said second arm of said rocker arm assembly.
1 Assignment
0 Petitions
Accused Products
Abstract
An arrestable knee joint, comprising a thigh member; a lower leg member; rotatably articulated on the thigh member to form a knee joint; and a mechanism for releasably arresting the members in the extended position, comprising a spring-loaded arresting element mounted in the lower leg member, structure associated with the thigh member for engaging the arresting element when the members are in the extend position, a rocker arm assembly having a first arm attached to the arresting element and a second arm extending away from a rotational axis of the rocker arm assembly on a side opposite from the first arm, and a Bowden wire inserted into the lower leg member and attached to the second arm of the rocker arm assembly. A release mechanism is provided in the thigh member.
52 Citations
6 Claims
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1. An arrestable knee joint, comprising:
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a thigh member; a lower leg member rotatably articulated on said thigh member to form a knee joint capable of rotating between an angular orientation of said members and an extended position of said members; and means for releasably arresting said members in the extended position, said arresting means comprising a spring-loaded arresting element mounted in said lower leg member, means associated with said thigh member for engaging said arresting element when said members are in the extended position, a rocker arm assembly having a first arm attached to said arresting element and a second arm extending away from a rotational axis of the rocker arm assembly on a side opposite from said first arm, and a Bowden wire inserted into said lower leg member and attached to said second arm of said rocker arm assembly. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification