Boots – shoes – and leggings – Antislipping devices – Disengaging
Patent
1993-04-28
1994-08-16
Meyers, Steven N.
Boots, shoes, and leggings
Antislipping devices
Disengaging
36134, A43C 1514, A43B 1324
Patent
active
053374940
ABSTRACT:
A cleated shoe which includes a mechanism which allows for the cleats to be retracted when not on an activity surface and then to be lowered or extended simultaneously for better traction at the wearer's command. The mechanism consists of a control lever located at the back of the shoe and two sliding flexible plastic members disposed on top of one another longitudinally within the sole of the shoe, with the heads of a plurality of cleats trapped between these two sliding members. The head of the cleats remain within the sole of the shoe whereas the body of the cleat can be extended out of the bottom of the shoe sole or totally retracted into the sole. The top sliding member is grooved to drive and lock the cleat into retraction or extension while the lower sliding member uncovers or covers the cleat opening, respectively. The sliding members work in opposition to each other so that upon wearer displacement of the control lever toward the shoe, the upper sliding member is driven forward, forcing all cleats to retract and lock in that position while simultaneously the lower sliding member is driven backward, forcing all blocking segments to back away and allow the retracting cleat to enter the cavity. The reverse happens when the wearer pulls the control lever away from the shoe, resulting in the extension of all cleats and the covering of all cleat apertures. The apparatus as it is designed will actuate all the cleats at the same time.
REFERENCES:
patent: 2920404 (1960-01-01), Ross
patent: 3693271 (1972-09-01), Korpei
patent: 3716931 (1973-02-01), Loudermilk
patent: 3717238 (1973-02-01), Fox
patent: 3793751 (1974-02-01), Gordos
patent: 4271608 (1981-06-01), Tomuro
patent: 4333249 (1982-06-01), Schaefer
patent: 4375729 (1983-03-01), Buchanen, III
patent: 4821434 (1989-04-01), Chein
patent: 4825562 (1989-05-01), Chuang
patent: 4873774 (1989-10-01), Lafever
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