142,709. Reddie, L. N., (Soc. Anon. Fratelli Macchi). July 16, 1919. Hubs.-In detachable wheels of the kind which are formed mainly of wood and in which the spokes are fixed between a fixed flange 7 on the hub sleeve 8 and a separate flange 9, the whole being assembled and held together by rivets 10, the transverse holes 11 for the bolts by which the wheel is secured to the axle fitting are provided with metal levers 12.
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