Direct transmission system for a bicycle

Details Direct transmission system for a bicycle Direct transmission system for a bicycle

1990-10-29

1992-01-07

Luong, Vinh T.

Machine element or mechanism

Elements

Cranks and pedals

74417, F16H 114, G05G 114

Patent

active

050780255

ABSTRACT:
A direct transmission for a bicycle has a box disposed on a rear axle on which a conical gear is disposed. A shaft is coupled to the conical gear so as to drive the hub. A spring biases the shaft toward an annular flange in order that the shaft can not move longitudinally relative to the box. A hole with a notch is formed in a rear and outer end of the box. The rear axle can be inserted through the notch into the hole. A sleeve nut is engageable with the rear axle so as to stably retain the rear axle in position.

REFERENCES:
patent: 520396 (1894-05-01), Grant
patent: 601025 (1898-03-01), Mooney
patent: 607972 (1898-07-01), Vignal
patent: 609344 (1898-08-01), Harrity
patent: 610277 (1898-09-01), O'Connor et al.
patent: 614250 (1898-11-01), Kershaw
patent: 617635 (1899-01-01), Brooks
patent: 646581 (1900-04-01), Mantel
patent: 663816 (1900-12-01), Mantel
patent: 747783 (1903-12-01), Somerby
patent: 821340 (1906-05-01), Copeland

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