Rear hub structure for bicycles

Details Rear hub structure for bicycles Rear hub structure for bicycles

1996-02-16

1997-10-14

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Velocipede free wheel

F16D 4130

Patent

active

056762283

ABSTRACT:
An improved rear hub structure for bicycles includes a rear hub housing and a driving device. The driving device has a securing seat, multiple spring elements, multiple stop elements and a gear seat. The securing seat has a stem projecting from one end thereof. An iron washer with an embossed surface is disposed between the stem of the securing seat and a threaded slot of a through hole defined in the rear hub housing. The embossed surface of the iron washer contacts the threaded slot to prevent relative rotation. The stem of the securing seat has inner threads for engaging outer threads of a threaded rod. The threaded rod and the securing seat are locked together to prevent the securing seat from moving further toward the threaded slot of the through hole when the rear hub housing rotates forwardly. The iron washer prevents the stem of the securing seat from directly pressing against the rear hub housing and thus prevents it from deforming.

REFERENCES:
patent: 5492211 (1996-02-01), Wu
patent: 5518096 (1996-05-01), Lin

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