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Expired
Application number
Inventor
Leopold Lewin
Johann Nepomuk Stift
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Individual
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Individual
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Publication of GB190617312ApublicationCriticalpatent/GB190617312A/en
17,312. Lewin, L., and Stift, J. N. Aug. 1. Brakes; driving- mechanism for motor and other bicycles. In a freewheel and backpedalling brake hub of the type wherein an internally screwthreaded clutch sleeve 13 is adapted to engage teeth 12 for driving the hub and teeth 17 for applying the brake, a drag spring 16 being provided to ensure the movement of the sleeve, the outer end 21 of the part 18 is made square to enter a square recess 25 formed by segmental brake blocks 22, which are mounted by slots 28 upon pins 27 so that the blocks are forced radially outwards to engage the hub. A spring ring 30 or the like restores the blocks to normal position. Lubricating-grooves 31 are provided in the blocks, and the brake is closed off from the hub interior by a plate 32.
GB190617312D1906-08-011906-08-01A Free Wheel and Back Pedälling Brake Hub for Motor and other Bicycles and the like.
ExpiredGB190617312A
(en)