ES326969A1 - Discharge device for speed changes of bicycles with various sprockets. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Discharge device for speed changes of bicycles with various sprockets. (Machine-translation by Google Translate, not legally binding)
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Individual
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Individual
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Priority to ES0326969ApriorityCriticalpatent/ES326969A1/en
Publication of ES326969A1publicationCriticalpatent/ES326969A1/en
Derailleur device for speed changes of bicycles with several coaxial sprockets of the type that has a rocker to guide and tighten the chain attached to the clamp for mounting on the bicycle frame by means of a parallelogram connection that allows its normal displacements to the plane of the chain and spring means acting respectively to tension the chain and oppose said displacements, said derailer comprising in said connection two rods which are articulated on the connecting bodies respectively of the mounting bracket and of the guide and tension member of the chain. the chain or rocker, said rods and said connecting bodies being made on metal tape by punching and folding operations, at least one of said connecting bodies having a cylinder shape intended to contain antagonistic spring means and being provided with appendices of union for the rods. (Machine-translation by Google Translate, not legally binding)
ES0326969A1966-05-201966-05-20Discharge device for speed changes of bicycles with various sprockets. (Machine-translation by Google Translate, not legally binding)
ExpiredES326969A1
(en)
Central derailleur of the chain of transmission of bicycles with central gear of several relations of speed (Machine-translation by Google Translate, not legally binding)
Improvements in rocker scrapers for speed changes of bicycles of various coaxilion sprockets (Machine-translation by Google Translate, not legally binding)
A central derailleur of the chain of transmission of bicycles with central gear of several relations of speed (Machine-translation by Google Translate, not legally binding)