Extension tube assembly with lengthened life for a bicycle
OwnerKuen-Hu Leeinventor
Life of this patent
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Abstract
An extension tube assembly is provided for a bicycle of the type having a hub with an extended member and a fork with an attachment plate. The extension tube assembly includes an extension tube with a polygonal compartment defined in an end thereof and a positioning member formed corresponding to the polygonal compartment and thus fittingly yet releasably received in the polygonal compartment. The extended member of the hub is extended through the attachment plate, the positioning member, and a bottom wall defining the polygonal compartment and then releasably secured by a nut.
Claims13
An extension tube assembly for a bicycle having a hub with an extended member and having a fork with an attachment plate through which the extended member extends, comprising:
- an extension tube including a first end and a second end, a polygonal compartment being defined in the first end of the extension tube;
- a positioning member formed corresponding to the polygonal compartment and thus fittingly yet releasably received in the polygonal compartment and adapted to removably abut with the attachment plate of the fork;
- and
- a fastener for abutment with the extension tube opposite to the positioning member;
- wherein the positioning member, a bottom wall defining the polygonal compartment, and the fastener are adapted so that the extended member of the hub extended through the attachment plate can be extended through the positioning member and the bottom wall defining the polygonal compartment and then releasably secured by the fastener.
An extension tube assembly for a bicycle having a hub with an extended member and having a fork with an attachment plate including a slit through which the extended member of the hub extends, comprising:
- an extension tube including a first end and a second end, a polygonal compartment being defined in the first end of the extension tube;
- a positioning member formed corresponding to the polygonal compartment and thus fittingly yet releasably received in the polygonal compartment;
- and
- a fastener;
- wherein the positioning member, a bottom wall defining the polygonal compartment and the fastener are adapted so that the extended member of the hub extended through the attachment plate can be extended through the positioning member and the bottom wall defining the polygonal compartment and then releasably secured by the fastener.
Dependencies are inferred from the claim text.