Boots – shoes – and leggings – Sole-attaching means – Detachable soles
Patent
1989-02-15
1990-06-26
Watkins, Donald
Boots, shoes, and leggings
Sole-attaching means
Detachable soles
A43B 1336
Patent
active
049360280
ABSTRACT:
A shoe with replaceable outsole, destined for use as a tourist, army, work, etc. shoe. It is basically comprised of an upper portion (the shoe itself) to which the uppersole is permanently attached in some manner, a removable outsole with an interlocking feature on top which engages with the bottom of the uppersole and with a varying bottom portion (depending on the use it is put to) and, a removable set of connector rods.
The uppersole on it's bottom portion has a tread with a set of openings. On the upper portion of the outsole there is a tread with a similar set of openings, fitting exactly into the space between the openings of the uppersole. The two interlock to form a complete sole. Horizontal openings or bushings are placed in straight lines the length of the sole. Removable connector rods are then placed into these openings or bushings, providing a secure attachment for the outsole. Set of lightweight, inexpensive and easy to carry outsoles with many different configurations of the bottom assure good traction in any condition in which the shoe may be worn. Once the outsole is worn out, it is a simple, and inexpensive procedure to replace it.
REFERENCES:
patent: 1236350 (1917-08-01), Pougher
patent: 1640301 (1927-08-01), Torchia
patent: 2435668 (1948-02-01), Behringer et al.
patent: 2930148 (1960-03-01), Parker
patent: 3019534 (1962-02-01), Kauffman et al.
patent: 3866339 (1975-02-01), Latto
patent: 4542599 (1985-09-01), Annovi
patent: 4606139 (1986-08-01), Silver
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