IT1116290B - Pedal crank for bicycle - has pedal fitted to sprung and pivoted extension lever engaging curved rod joined to crank end
- Google Patents
Pedal crank for bicycle - has pedal fitted to sprung and pivoted extension lever engaging curved rod joined to crank end
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Publication number
IT1116290B
IT1116290BIT6785577AIT6785577AIT1116290BIT 1116290 BIT1116290 BIT 1116290BIT 6785577 AIT6785577 AIT 6785577AIT 6785577 AIT6785577 AIT 6785577AIT 1116290 BIT1116290 BIT 1116290B
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Application filed by Pedrali DominiquefiledCriticalPedrali Dominique
Priority to IT6785577ApriorityCriticalpatent/IT1116290B/en
Application grantedgrantedCritical
Publication of IT1116290BpublicationCriticalpatent/IT1116290B/en
The pedal crank is used on a standard bicycle to increase leverage during the driving effort. It comprises a crank arm fitted to the end is an extension lever (2), operation on a pivot (3) in the arm. This lever carries the pedal on its other end and its action is spring loaded (9). A threaded curved rod (8) is held in the pedal end of the lever. The other end (10 passes through a hole (7) in the crank arm (12), being free to move in accordance with the pedal action.
IT6785577A1977-04-181977-04-18Pedal crank for bicycle - has pedal fitted to sprung and pivoted extension lever engaging curved rod joined to crank end
IT1116290B
(en)
Safety brake for chain saw - has brake band attached at one end to pivoted lever with cam slot receiving pin on end of spring return mechanism (SW 15.8.77)