Circular walker

Details Circular walker Circular walker

1997-06-17

1998-10-20

Mai, Lanna

Chairs and seats

With occupant-propelled walker or skater frame

297 6, 482 68, A47D 1304

Patent

active

058236139

ABSTRACT:
A circular walker has a base seat, a plurality of support legs, and an annular holder. The base seat has a disk plate, an annular wall surrounding the disk plate, an annular flange formed on the annular wall, an annular slide rail formed in the base seat, and a plurality of annular positioning plates disposed on the disk plate. Each of the annular positioning plates defines a recess hole to receive a ball. The annular holder has a ring and a band connected to the ring. The plurality of support legs are connected to the ring and disposed beneath the ring. Each of the support legs has an annular recess to receive the annular flange, a hollow taper end to receive a bearing and a spherical body. The spherical body is inserted in the annular slide rail.

REFERENCES:
patent: 2606593 (1952-08-01), Beurskens
patent: 2657735 (1953-11-01), Hughes
patent: 2850075 (1958-09-01), Wilson
patent: 3788695 (1974-01-01), Salem
patent: 4822030 (1989-04-01), Cone
patent: 5040556 (1991-08-01), Raines
patent: 5688211 (1997-11-01), Myers

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