Non-postural change two feet braking for roller skates

Details Non-postural change two feet braking for roller skates Non-postural change two feet braking for roller skates

1997-12-11

2000-04-25

Johnson, Brian L.

Land vehicles

Skates

Wheeled skate

280 1122, 188 5, A63C 1714

Patent

active

060535113

ABSTRACT:
A roller skate provided with a brake mechanism operable when the foot or feet of the skater inside the boots are arctuated to an arch from the normal straight position inorder to effect braking. The braking system allows the skater to perform a single foot or two feet braking at will without changing the skater's postural position at the point of time when the brake was applied. It capitalize on the principle that when the foot or feet inside the boots are arctuated, they behave like structural arches to designed that when subjected to vertical loads, the feet end supports (namely the heels and phalanges ends) exerts reaction forces with inwardly directed components. It is stable and strong. The highest point or its crown, and the point which has the biggest movement, falls somewhere between the tarsus and metatarsus zones of its respective foot. Preferably, it is crown movement that is being used to drive a brake means inorder to create an effective and controllable braking. The present invention has utilized this principle in alliance with a brake means of the type that force amplifying to ensure a good margin of effective efficiency.

REFERENCES:
patent: 5143387 (1992-09-01), Colla
patent: 5171033 (1992-12-01), Olsen et al.
patent: 5388844 (1995-02-01), Pellegrini, Jr. et al.
patent: 5439238 (1995-08-01), Neal
patent: 5590889 (1997-01-01), Pozzobon
patent: 5609346 (1997-03-01), Bellehumeur
patent: 5647599 (1997-07-01), Visger et al.
patent: 5651556 (1997-07-01), Mitchell

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