Pad structure

Details Pad structure Pad structure

2005-06-07

2005-06-07

Pyon, Harold (Department: 1772)

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

C428S180000, C428S178000, C005S420000

Reexamination Certificate

active

06902792

ABSTRACT:
A pad structure with arc bridges like structure that can provide sufficient elasticity and strength. The pad structure mainly contains: a frame, a first layer and a second layer. The frame contains plural interlaced members. Each of the members contains a top surface, a bottom surface and two side surfaces. The frame has plural grids therein. The first layer contains a bottom surface having a first portion and a second portion. The first portion of the bottom surface of the first layer is united on the top surfaces of the frame. The first layer forms plural upwardly protrudent arc surfaces on top of the grids. The second layer contains a top surface united on the bottom surfaces, the side surfaces of the frame and the second portion of the bottom surface of the first layer.

REFERENCES:
patent: 5987669 (1999-11-01), Leggett et al.

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