Seat frames
AssigneeYoungflex S.A.
InventorDavid Thomas Griffiths
Life of this patent
Estimating the term…
Abstract
A frame for an automobile seat or a domestic seat comprises a base frame; a pad which consists of a series of parallel cords and a series of parallel cross-wires, and is suspended over the base frame; spring elements having torsion parts secured to the cords of the pad; and an edge frame mounted above the base frame on limbs of said spring elements which extend upwardly and outwardly from the side edge regions of the pad and are secured at their upper ends to said edge frame. The spring elements have lengths which may be anchored on said pad or on said base frame, and spring elements of both forms may be employed.
Claims3
A seat frame comprising:
- a base frame,
- b. a cushion support including longitudinally extending side wire portions and a plurality of spaced, transversely extending cross wires anchored between said side wire portions,
- c. a plurality of tension spring means anchored between said side wire portions and said base frame to suspend said cushion support in tension transversely with respect to said base frame,
- d. a plurality of spaced spring elements each comprising a central portion extending transversely between said side wire portions, intermediate torsional portions extending parallel with and adjacent said side wire portions, and end portions extending transversely and outwardly from said torsional portions, in an upward direction from and at an obtuse angle to said cushion support,
- e. means loosely connecting each of said torsional spring element portions to the adjacent side wire portion of said cushion support along a substantial portion of the length of the former,
- f. an edge frame arranged above said cushion support and including resilient edge wire portions extending adjacent the free ends of the end portions of said spring elements at the respective sides of the seat, and
- g. means connecting the free ends of the end portions of said spring elements to said edge frame.
Dependencies are inferred from the claim text.