Improvements in or relating to Eccentric Crank Mechanism for Cycles
3146. Joch, J. Feb. 16. Cranks, variablethrow. Each crank f is carried by a pin e mounted on the strap d of an eccentric c fixed to the bottom bracket a. A slotted arm g is fixed to the axle b, and engages rollers carried by the pin e and a stud m fixed to the crank. The parts are fitted with ball b...
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| Sprache: | eng |
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| Zusammenfassung: | 3146. Joch, J. Feb. 16. Cranks, variablethrow. Each crank f is carried by a pin e mounted on the strap d of an eccentric c fixed to the bottom bracket a. A slotted arm g is fixed to the axle b, and engages rollers carried by the pin e and a stud m fixed to the crank. The parts are fitted with ball bearings as shown. In a modification shown in Fig. 4, the crank f is extended beyond the pin e to carry the stud m, the guide in this case being made with two slots g , g . |
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