Boots – shoes – and leggings – Boots and shoes – Overshoes
Patent
1984-11-09
1986-07-01
Schroeder, Werner H.
Boots, shoes, and leggings
Boots and shoes
Overshoes
36 74, 36 32R, A43B 316
Patent
active
045971943
ABSTRACT:
The specification, drawing and claims disclose an auxiliary member that is selectively mountable and removable from a conventional shoe or boot as and when worn by a user. This auxiliary member is adapted to store and release energy as the user makes a striding motion as when walking, jogging, running or combinations thereof. A boat-like upper member has an attached toe and heel sole portion adapted to fit snugly over and on the lower portion of a shoe or boot of a user. A sole portion extends from the toe and heel portions and is unattached to the sides of said upper member. This sole portion is fixedly attached at and to the toe and heel portions to form a substantially continuous sole protective member which provides an outer contact surface during use. A band portion is disposed above the sole portion and extends between the toe and heel sole portions and is securely attached thereto as by molding. This band portion is initially stretched when the auxiliary member is in mounted condition and, with each stride of the user, bending of the sole of the shoe or boot causes a further stretching of the band portion from its initially stretched condition. When the user brings his shoe or boot to a substantially flat "at rest" condition, the energy of bending results in the energy recovery. The auxiliary member is shown with band portions of two lengths and a means of molding in a unitary manner. A separately-attached band portion used with a conventional "rubber" is also shown as providing energy recovery. This band portion is attached at the ends only and is sufficiently thin to not affect the use of the auxiliary outersole member.
REFERENCES:
patent: 3757435 (1973-09-01), Schwartz
patent: 4281466 (1981-08-01), Malone
Ellis Mary A.
Roberts Ralph R.
Schroeder Werner H.
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