Back And Legs Collapse Concurrently Patents (Class 297/46)
  • Patent number: 4130316
    Abstract: A step ladder/chair combination comprises a first and second spaced apart step and seat platforms which are supported from a first pair of parallel legs pivotally interconnected to the platform and a second pair of parallel legs are pivoted to the seat. The second legs include lower ends or feet which are movable outwardly away from the feet on the first pair of legs to an expanded condition wherein the step ladder/chair assumes a self-supporting, standing position on a floor or other surface ready for use. The step ladder/chair also includes a third pair of parallel legs which are parallel to the first legs and extend upwardly above the chair platform to support a back rest. The third legs are pivotally connected to the step and seat platforms.
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: December 19, 1978
    Assignee: Comfort Lines, Inc.
    Inventor: Joseph V. Rossi
  • Patent number: 4058341
    Abstract: A collapsible item of furniture such as a chair is disclosed as having a back-rest portion connected by a serrated means in continual meshed engagement with a serrated means connected to posterior leg portions so that the back-rest and posterior leg portions rotated concurrently with one another and relative to a seat or lying base. The serrated means are part of an articulating means comprising a pair of bowl-shaped housings encompassing the serrated means which rotate about stub shafts in the bowl-shaped housings. Anterior leg portions are connected at central locations to the front of the seat base and at upper ends to an arm rest means which, in turn, is connected to the back rest.
    Type: Grant
    Filed: April 9, 1976
    Date of Patent: November 15, 1977
    Inventor: Johannes Prins