Single lever control mechanism for bicycle front and rear derail

Details Single lever control mechanism for bicycle front and rear derail Single lever control mechanism for bicycle front and rear derail

1978-11-22

1981-05-19

Downey, Kenneth

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74501R, G05G 902

Patent

active

042677424

ABSTRACT:
The invention relates to a control mechanism for multi-speed bicycles in which operation of both the front and rear derailleurs is performed by a single lever.

REFERENCES:
patent: 3049023 (1962-08-01), McCordic
patent: 3808907 (1974-05-01), Yamaguchi
patent: 3987878 (1976-10-01), Hansen
patent: 4055093 (1977-10-01), Ross

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