Roller skate including at least two rollers aligned along a medi

Land vehicles – Runner vehicle – Push

Patent

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Details

280 112, 301 57, A63C 1722

Patent

active

050694626

ABSTRACT:
The skate includes an under-frame (3) equipped with two or several rollers aligned one behind the other in a common median plane. Each roller (4, 5) has a shape of a narrow-bobbin, with two circular flanges provided with bands and a central hollowed hub, fixed inside a ball-bearing. This bearing is put in an orifice of a central plate (24) of the under-frame, this plate holding also a front buffer-stop (6) and a back buffer-stop (7). An instrument absorbing the shocks in the radial direction is intercalated between the bearing and the plate (24). Preferably, the under-frame (3) of the skate is equipped with a support for a leg (1) which is articulated in relation to a transverse axis (Y) at the level of the ankle. A braking mechanism of the rollers (4, 5) can be fixed on the central plate (24) of the under-frame. Thanks to the special shape of the rollers, bearings and the under-frame are lightened.

REFERENCES:
patent: 988533 (1911-04-01), Zverina
patent: 1524286 (1925-01-01), Bried
patent: 1801205 (1931-04-01), Mirick
patent: 2141122 (1938-12-01), Boden
patent: 2166767 (1939-07-01), Petermann
patent: 2570349 (1951-10-01), Kardhordo
patent: 4072317 (1978-02-01), Pommering
patent: 4418929 (1983-12-01), Gray
WO89/03712 5/1989.

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