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US 8,408,573 B2Granted
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, wherein the first adjustable joining portion comprises a first continuous band defining a first opening into which the handlebar is inserted;
- 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
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, wherein the first wedge blocking means corn rises two wedges, each wedge coupled to the first clamp at opposite sides.
1 more element
Dependencies are inferred from the claim text.