Land vehicles – Convertible – Wheel to or from runner
Patent
1977-04-26
1978-08-22
Peters, Jr., Joseph F.
Land vehicles
Convertible
Wheel to or from runner
280 1122, A63C 1718
Patent
active
041084500
ABSTRACT:
A roller skate comprising an elongated bar, three rollers carried by said bar in alignment at the bottom of a shoe, the rear and middle rollers being spaced apart a greater distance than the distance between the middle and front rollers and being located on each side of the vertical line passing through the center of gravity of the user. The ground contact zone of the front roller is at a higher level than that of the rear and middle rollers. The bar is detachably secured to separate shoe supporting structures and, therefore, can be replaced by an ice-skate blade. The same shoe supporting structures can be used in association with blades and roller carrying bars of different lengths to fit shoes of different sizes. The rollers have detachable rims of different types for use on different surfaces. In a modified embodiment, the ice-skate blade is spring-loaded at its rear end for use on a rough ice surface, such as on frozen lakes.
REFERENCES:
patent: 97075 (1969-11-01), Gibson
patent: 1475224 (1923-11-01), Orlow
patent: 1527840 (1925-02-01), Chomin
patent: 1530211 (1925-03-01), Siemnash
patent: 1900040 (1933-03-01), Brien
patent: 2190316 (1940-02-01), Harris
patent: 3287023 (1966-11-01), Ware
Church Gene A.
Peters Jr. Joseph F.
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