Boots – shoes – and leggings – Boots and shoes – With adjustment of shoe size
Patent
1996-08-13
1997-08-12
Sewell, Paul T.
Boots, shoes, and leggings
Boots and shoes
With adjustment of shoe size
36 29, 36 35B, A43B 1320, A43B 2128, A43B 738
Patent
active
056553153
ABSTRACT:
A cushioned, height-adjustable shoe has a hollow for receiving a wearer's foot, the hollow defined by a base on which the wearer's foot rests and an enclosure surrounding at least a portion of the wearer's foot; and within the hollow, an inflatable bladder associated with the base for lifting the wearer's foot to a degree determined by the amount of inflation. The bladder has a collapsable wall that may include pleats. In one embodiment, the bladder is wedge-shaped with a maximum height along the rear (heel) segment, and is disposed between the sole of the shoe and a soft but relatively thin foot pad so as to be invisible during use. In a second embodiment, the bladder constitutes the sole of the shoe, and once again is is defined peripherally by a set of expandable pleats. The bladder is accessed for inflation by means of a pump located beneath the shoe pad.
REFERENCES:
patent: 4462171 (1984-07-01), Whispell
patent: 4610099 (1986-09-01), Signori
patent: 4856208 (1989-08-01), Zaccaro
patent: 4887367 (1989-12-01), Mackness et al.
patent: 4991317 (1991-02-01), Lakic
patent: 4999932 (1991-03-01), Grim
patent: 5025575 (1991-06-01), Lakic
patent: 5222312 (1993-06-01), Doyle
patent: 5295314 (1994-03-01), Moumdjian
patent: 5353459 (1994-10-01), Potter et al.
patent: 5353525 (1994-10-01), Grim
patent: 5363570 (1994-11-01), Allen et al.
patent: 5443529 (1995-08-01), Phillips
Sewell Paul T.
Stashick Anthony
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