Pumping device of shoes

Details Pumping device of shoes Pumping device of shoes

2004-05-21

2008-07-08

Kavanaugh, Ted (Department: 3728)

Boots, shoes, and leggings

Soles

Cushion

C036S00300B

Reexamination Certificate

active

07395615

ABSTRACT:
The present invention discloses a pumping device of a shoe100includes a cushion body (110) formed inside a sole of the shoe (110) and having front and back air chambers (120and130) formed therein in such a manner as to be disposed at the front and back portions thereof; an automatic pump (140) mounted adjacent to the back air chamber (130) in such a manner as to communicate with the back air chamber (130) and having a height (H2) higher than a height (H1) of the back air chamber (130); a suction valve (150) and a check valve (160) mounted at the front and back sides of the automatic pump (140); and a pressure adjusting valve (170) formed at a connecting valve (125) for connecting the back air chamber (130) with the front air chamber (120).

REFERENCES:
patent: 4860463 (1989-08-01), Pin
patent: 5025575 (1991-06-01), Lakic
patent: 5477626 (1995-12-01), Kwon
patent: 5846063 (1998-12-01), Lakic
patent: 5918383 (1999-07-01), Chee
patent: 6014823 (2000-01-01), Lakic
patent: 6510624 (2003-01-01), Lakic
patent: 1019960036970 (1996-11-01), None
patent: 20-0196729 (2000-09-01), None
patent: WO 95/13718 (1995-05-01), None

Affiliated with

Also associated with

Rating

Pumping device of shoes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pumping device of shoes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pumping device of shoes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3970251