|5186424||Base for a human support apparatus|
A base for a human support apparatus such as a bed or a chair which produces a rocking chair type of motion. The base also includes a motor which when driven simultaneously moves the bed or chair in a circular motion within a horizontal plane....
A rocking chair whose rocking action is achieved solely through a linkage mechanism rather than rocking cams conventionally employed. The chair includes upholstered seat, backrest and armrests which are united in a one-piece structure mounted on a fixed b...
|3938857||Rocker spring unit|
A rocker spring unit utilizes separately formed rocker elements and outboard rocker springs. The rocker springs and rocker elements are assembled with two plate members having the rocker springs extended between opposite plate member edges and the rocker ...