A walker which has a rocking movement

Claim 1

A walker to support aged, infirm and like persons when and as they walk, comprising: A. an upright rigidly integrated frame, which is arranged to accommodate a user at its rear end, said frame including 1. a pair of laterally spaced, vertically arranged U-shaped side members, each providing a. a pair of front and rear vertical legs, and b. a bottom leg-interconnecting floor-engaging runner curving from one leg to the other for back-and-forth rocking movement between forward and rearward positions and through an interposed center position, said runner engaging the floor along a line of rolling contact extending over a fraction of the leg to leg curvature of said runner, the vertical transverse center plane of the frame being normal to the floor in said center position and inclining steeply from the floor in each of said forward and rearward positions, 2. a horizontally elongate member interconnecting the upper ends of said front and rear legs, and 2. a pair of vertically spaced upper and lower rearwardly open U-shaped crossmembers rigidly mounted on the frame with their bights extending horizontally across the front side of the frame and with the bight of the lower of said U-shaped crossmembers spaced forwardly beyond the common vertical plane of the front legs, a. said lower crossmember being spaced above the floor when the walker is in its center position, b. the bight of the lower crossmember being arranged to engage the floor when the walker is rocked into its forward position so as to stop further forward movement.