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US 2003/0221507 A1Published application
Cable Retraction Mechanism For Trigger Shifters
AssigneeSRAM Deutschland GmbH
InventorsRobert Wessel, Martin Weiss
Life of this patent
Estimating the term…
Abstract
A bicycle shifter having a housing mountable to a handlebar, a takeup mechanism for pulling a shift cable and a release mechanism for releasing the shift cable. The takeup mechanism includes a takeup tooth segment, a takeup pawl and an actuation element. The release mechanism includes retaining and locking tooth segments, retaining and locking pawls and a release element. The takeup, retaining and locking tooth segments are arranged on one disk element.
Claims21
A shifter for a bicycle, comprising:
- a housing mountable to a handlebar of the bicycle;
- a cable spool for winding and unwinding a shift cable thereon;
- a takeup mechanism including a takeup tooth segment, a takeup pawl and an actuation element;
- and a release mechanism having retaining and locking tooth segments, a retention pawl and a locking pawl for retaining and releasing the shift cable and a release element,
- wherein the takeup, retaining and locking tooth segments are arranged on a disk element.
2 more elements
A shifter for a bicycle comprising:
- a housing mountable to a handlebar of the bicycle;
- a cable spool for winding and unwinding a shift cable thereon;
- a release mechanism for retaining and releasing the shift cable;
- a takeup mechanism including a takeup tooth segment, a takeup pawl and an actuation element, the takeup pawl having a bearing region and an engagement region offset from the bearing region toward a central shaft of the shifter.
1 more element
A shifter of a bicycle comprising:
- a housing mountable to a handlebar of the bicycle;
- a cable spool for winding and unwinding a shift cable thereon;
- a release mechanism fore retaining and releasing the shift cable;
- and
- a takeup mechanism including a takeup tooth segment, a takeup pawl and an actuation element, the takeup pawl having a bearing region and an engagement region arranged opposite one another, the bearing region extending substantially perpendicular to a shaft of the cable spool.
2 more elements
Dependencies are inferred from the claim text.