B - Operations – Transporting – 62 – M
Patent
B - Operations, Transporting
62
M
B62M 3/00 (2006.01) F16J 7/00 (2006.01)
Patent
CA 2330102
A curved, tetrahelix bicycle crank arm com-posed of a helical array of tetrahedra is disclosed. This design will transmit the propelling force away from the top dead center point providing more efficient use of the propelling energy. With this tetrahelical design a hollow core is possible that will reduce weight and permit lubrication if needed without reducing strength. This design is also applicable to the connecting rod of internal or external combustion engine.
L'invention concerne une manivelle de bicyclette courbée de forme tétrahélicoïdale comprenant un ensemble hélicoïdal de tétraèdre. Cette conception transmet la force de propulsion à l'opposé du point central mort haut permettant une utilisation plus efficace de l'énergie de propulsion. Cette conception tétrahélicoïdale permet une âme creuse réduisant le poids et permettant une lubrification si nécessaire sans diminuer la résistance. Cette conception est également applicable à la bielle d'un moteur à combustion interne ou externe.
Karsdon Jeffrey
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
LandOfFree
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