Patent ID: 9381132
Filing Date: 2016-07-05
CPC Classification: A61H

Claim Text:
1. A walker comprising: a structural frame with a rear end, a front end, and sides between the rear end and the front end; a handle or handles on the structural frame at the rear end of the structural frame; rear ground engaging elements at the rear end of the structural frame; front ground engaging elements at the front end of the structural frame; a seat at the rear end of the structural frame; lever arms, with each lever arm pivotally connected to a respective side of the structural frame at a pivot point that is below the seat, with each lever arm extended in a rearward direction from the pivot point to mount a respective rear ground engaging element a distance behind a rear end of the seat; and a suspension system integrated with the structural frame, the suspension system comprising elements, with each element connected between the structural frame and a respective one of the lever arms, and with the elements being compressible to i) provide cushion and store energy when the weight of a user, sitting in the seat or leaning on the handle or handles, causes the pivot points to move in a downward direction, and ii) return the energy when unweighted by the user to cause the pivot point to move in an upward direction and provide a lift assist to the user.