Freewheel hub for bicycles

Details Freewheel hub for bicycles Freewheel hub for bicycles

1996-05-22

1998-04-14

Lorence, Richard M.

192 clutches and power-stop control

Clutches

Velocipede free wheel

192 46, F16D 4130

Patent

active

057381976

ABSTRACT:
A freewheel hub for bicycles to provide propulsion by means of a plurality of sprockets when a derailleur is used. A sprocket or gear carrier transmits the rotational forces introduced to the sprockets mounted on the sprocket carrier by means of a drive sleeve, a ratchet and a pawl carrier to a hub sleeve in the direction of rotation of the drive, whereby the ratchet represents a freewheel in the opposite direction of rotation. The propulsion unit, which consists of the sprocket carrier and the drive sleeve, is divided into two parts, and can therefore be manufactured easily with regard to its driving gearings and pawl gearing.

REFERENCES:
patent: 4567973 (1986-02-01), Butz
patent: 4580670 (1986-04-01), Nagano
patent: 5443279 (1995-08-01), Nurnberger
patent: 5458223 (1995-10-01), Chen
patent: 5527230 (1996-06-01), Meier-Burkamp
patent: 5540456 (1996-07-01), Meier-Burkamp et al.

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