Land vehicles – Skates – Wheeled skate
Patent
1998-12-19
2000-04-04
Mar, Michael
Land vehicles
Skates
Wheeled skate
36 97, 36115, 280 1122, A63C 1700
Patent
active
060451440
ABSTRACT:
A roller skate of adjustable size includes an upper shoe portion and a lower frame portion. The upper shoe portion has a toe portion and a heel portion. The toe portion has a pair of studs received by a pair of slots formed on the heel portion. When the toe portion is assembled and affixed to the lower frame portion, the heel portion is also movably mounted in between. A buckling structure installed in a passageway formed in the lower frame portion is used to fix or release the movable heal portion. A spring is used to push up a buckling block in the buckling structure to fix the heel portion. An adjustment device is used to pull down the sprig for releasing the buckling block and, hence, the heel portion for easily adjusting the roller skate size. Similar ridged structures are formed on the buckling block and the heel portion to tightly couple each other. A shoe liner that includes an extendible section is also provided in the upper shoe portion to accommodate the change of the roller skate size.
REFERENCES:
patent: 4684140 (1987-08-01), Olivieri
patent: 4708352 (1987-11-01), Vallierme
patent: 4773886 (1988-09-01), Teeter et al.
patent: 5184834 (1993-02-01), Yu
patent: 5421596 (1995-06-01), Lee
patent: 5484149 (1996-01-01), Lee
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