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US 2010/0282017 A1Published application
Stem for bicycle handlebar
AssigneeCrank Brothers, Inc.
InventorsFrank Hermansen, Carl Winefordner
Life of this patent
Estimating the term…
Abstract
In one embodiment, a stem for bicycle handlebar and the like includes an arm joining the handlebar with a fork. The arm includes a three-piece wedge on each end that is adjustable by a screw to tighten and loosen a middle clamp of the wedge. The wedge is moved to release and tighten the fork and the handlebar independently.
Claims27
A stem for bicycle handlebar and the like comprising:
- a lengthened element connecting the handlebar to a fork;
- a first adjustable joining portion at a first end of the lengthened element to join the handlebar to the lengthened element;
- and
- a second adjustable joining portion at a second end of the lengthened element to join the fork to the lengthened element, wherein the first adjustable joining portion comprises a first wedge blocking means operable by a user to move a first clamp for securing and loosening the handlebar from the lengthened element.
1 more element
A stem for bicycle handlebar and the like, comprising:
- an arm connecting the handlebar with a fork;
- a first adjustable joining portion at a first end of the lengthened element to join the handlebar to the arm;
- and
- a second adjustable joining portion at a second end of the arm to join the fork to the arm, wherein the first adjustable joining portion comprises a first wedge blocking means operable by a user to move a first clamp for securing and loosening the handlebar from the arm and a first discontinuous band that defines a first opening into which the handlebar is inserted, wherein the discontinuous band comprises a substantially “U”-shaped element integral with the arm and a plate provided with a removable connecting means to the “U”-shaped element.
1 more element
Dependencies are inferred from the claim text.