Boots – shoes – and leggings – Soles – Cushion
Reexamination Certificate
2000-09-28
2001-10-09
Patterson, M. D. (Department: 3728)
Boots, shoes, and leggings
Soles
Cushion
C036S028000, C036S03500R
Reexamination Certificate
active
06298581
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to an elastic shoe pad. More particularly, the present invention relates to an elastic shoe pad which has an elastic seat and a positioning seat protecting the elastic seat.
Most conventional elastic shoe pads have elastic fatigure problems after a long period of usage. Some elastic shoe pads have air or silicones therein. However, the elastic shoe pads become useless if the elastic shoe pads are pierced.
SUMMARY OF THE INVENTION
An object of the present invention is to provide an elastic shoe pad which has an elastic seat and a positioning seat protecting the elastic seat.
Another object of the present invention is to provide an elastic shoe pad which has an elastic seat and a positioning seat reducing an elastic fatigure of the elastic seat after a long period of usage.
Accordingly, an elastic shoe pad comprises an elastic seat and a positioning seat engaging with the elastic seat. The elastic seat has an elastic plate, a plurality of connecting bars disposed on a bottom of the elastic plate, and a plurality of elastic tubes connected to the connecting bars. The positioning seat has a plurality of hollow chambers matching the elastic tubes, and a plurality of upper slots communicating with the hollow chambers. The elastic tubes are inserted in the hollow chambers. An outsole has an upper periphery flange. The elastic shoe pad is disposed on the outsole. The upper periphery flange encloses the elastic shoe pad. The upper periphery flange and the elastic shoe pad are sealed together by a high frequency method.
REFERENCES:
patent: 5005300 (1991-04-01), Diaz et al.
patent: 5118555 (1992-06-01), Horovitz
patent: 5212878 (1993-05-01), Burke et al.
patent: 5220737 (1993-06-01), Edington
patent: 5679327 (1997-10-01), Halberstadt
patent: 6209226 (2001-04-01), Squadroni
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