Bicycle frame tube structure for enhancing the rigidity of the bicycle frame
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Oct 4, 2007
app pub date -
Mar 31, 2006
filing date -
Mar 31, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A bicycle frame tube structure comprises a combining section; one end of the combining section having two opening for receiving a tube of a rear upper bi-forked tube; and a stand tube clamped between the two tubes. The combining section is two bi-forked tubes of an upper tube; or the combining section is a hollow U shape tube which have the two opening at one end; and another end of the U shape tube serves to be connected to an upper tube; or the combining section is a block which contains two tubes; or the combining section is a lower tube which has a bi-forked tube at one end; each tube of the bi-forked tube has the opening. The two bi-forked tubes of the upper tube may be combined as one tube for being connected to a head tube or the two tubes are directly connected to the head tube.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully