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Sit-to-stand and walking assistive mobility aid

  • US 9,597,251 B2
  • Filed: 05/15/2015
  • Issued: 03/21/2017
  • Est. Priority Date: 05/15/2014
  • Status: Expired due to Fees
First Claim
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1. A walker to assist a person rising from a seated position, said walker comprising:

  • two front legs each having a proximal end, a center and a distal end;

    one or more cross members secured to and joining said front legs to one another;

    a handle engaged to the proximal end of each front leg;

    a joint mechanism engaged to each front leg; and

    two rear legs having a proximal end and a distal end, said proximal end being engaged to each joint mechanism allowing said rear legs to pivot relative to said front legs;

    wherein said joint mechanism is comprised of;

    a bearing which includes a socket;

    a tongue end fitting engaged with said bearing;

    one or more clevis type connectors secured to said bearing and said tongue end fitting;

    a housing surrounding said bearing, said tongue end fitting and said clevis type connectors, wherein said bearing pivotally rotates within said housing and said tongue end fitting extends out of said housing;

    said rear leg is engaged to said tongue end fitting;

    a support release pin assembly secured to said housing and operating with said socket; and

    a trigger lever operating with said support release pin which, when actuated, withdraws said pin from said socket, allowing said support release pin assembly to secure said bearing and said rear legs in a standing configuration or to release said bearing and allow said bearing and said rear legs to be secured in a kneeling configuration.

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