FR1114184A - Crampon rabattable avec éperon incliné à profil hélicoïdal, en particulier pourroues caoutchoutées des tracteurs agricoles
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Crampon rabattable avec éperon incliné à profil hélicoïdal, en particulier pourroues caoutchoutées des tracteurs agricoles
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B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
B60B15/00—Wheels or wheel attachments designed for increasing traction
B60B15/26—Auxiliary wheels or rings with traction-increasing surface attachable to the main wheel body
B60B15/266—Traction increasing surface being located radially outside tyre circumferential surface
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FR1114184D1953-12-071954-11-30Crampon rabattable avec éperon incliné à profil hélicoïdal, en particulier pourroues caoutchoutées des tracteurs agricoles
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(fr)