Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B60
VEHICLES IN GENERAL
Load children
B60B
VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
Load children
B60B27/02
adapted to be rotatably arranged on axle
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B60B27/04
housing driving means, e.g. sprockets
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