Derailleur for a bicycle

Details Derailleur for a bicycle Derailleur for a bicycle

1977-04-19

1979-01-02

Scott, Samuel

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

7424211B, 280236, F16H 722, F16H 700

Patent

active

041321197

ABSTRACT:
A derailleur for a bicycle, which comprises a base member, a movable member and two linkage members carrying the movable member therewith in the relation of being swingingly movable with respect to the base member, a control member swinging independently from the movable member, a pair of plates for energy-storing, which sandwich therebetween one of the linkage members and cooperate with the control member through an engageable projection thereof and a positioning and maintaining member provided between the control member and one of the base member, movable member and two linkage members for positioning the driving chain guide cages with respect to any one of a plurality of sprockets whereby the speed change stage can preliminarily be selected when the bicycle is at a standstill or while running when not pedalling.

REFERENCES:
patent: 3535950 (1970-10-01), Shimano et al.
patent: 3903751 (1975-09-01), Dian
patent: 3974707 (1976-08-01), Nagano
patent: 4030374 (1977-06-01), Isobe

Affiliated with

Also associated with

Rating

Derailleur for a bicycle does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Derailleur for a bicycle, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Derailleur for a bicycle will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1512162