Device for changing the gear ratio of a variable speed gear moun

Details Device for changing the gear ratio of a variable speed gear moun Device for changing the gear ratio of a variable speed gear moun

1976-03-22

1978-01-03

Scott, Samuel

Machine element or mechanism

Alternate manual or power operators

74335, 280236, B60K 2016, B62M 904, F16H 100

Patent

active

040659836

ABSTRACT:
Discloses an electromechanical device for changing the gear ratio of a variable speed gear mounted to the hub of the rear wheel of a bicycle. The device consists of a changeover switch section to be mounted to the steering handle of the bicycle and an essential section to be coupled with the variable speed gear so as to operate the gear, said essential section includes a motor, gear means to be operated by said motor, and an electric circuit for connecting said motor to a power source. The electric circuit controls the motor according to the operation of the change-over switch and also controls the operation of the variable speed gear so that the gear ratio may be changed.

REFERENCES:
patent: 2529660 (1950-11-01), Meyer et al.
patent: 3548672 (1970-12-01), Conrad
patent: 3732787 (1973-05-01), Yamaguchi
patent: 3894442 (1975-07-01), Hembree

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