Four-point suspensions

Details Four-point suspensions Four-point suspensions

1979-02-15

1981-06-02

Foss, J. Franklin

Supports

Stand

Understructure

248649, F16M 1124

Patent

active

042707188

ABSTRACT:
A four-point suspension for a load comprising first, second, third and fourth supports for the load located at the corners of a quadrilateral and adapted to bear on a supporting surface for supporting the load above the surface at four points. Each support has an individual connection with the load for transmission of force from the load to the supporting surface and each connection permits relative up and down movement of the load and the respective support at the respective corner. Links at each side of the quadrilateral interconnect the supports at the two corners of each side for transmitting force between the supports, and act on upward movement of any support relative to the load (as may occur when the four points of the supporting surface engaged by the four supports are non-planar) to effect upward movement of the support at the opposite corner of the quadrilateral and downward movement of the other two supports relative to the load so that all four supports engage the supporting surface for stable support of the load.

REFERENCES:
patent: 1385206 (1921-07-01), Dimond
patent: 1711629 (1929-05-01), Wright
patent: 2101837 (1937-12-01), Blanchett
patent: 3024037 (1962-03-01), Fiala
patent: 3083033 (1963-03-01), Fiala
patent: 3147990 (1964-09-01), Wettstein
patent: 3539197 (1970-11-01), Remaud
patent: 3589700 (1971-06-01), Serpette
patent: 3690688 (1972-09-01), Fleury
patent: 3842926 (1974-10-01), Williams
patent: 3884496 (1975-05-01), Ito
patent: 3899037 (1975-08-01), Yuker
patent: 4014561 (1977-03-01), Tomiya et al.

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