Bicycle frame
AssigneeIdeal Bike Corp.
InventorChun-Hung Lin
Life of this patent
Estimating the term…
Abstract
A bicycle frame includes a front part and a rear part. The front part includes head tube, a seat tube and a down tube connected between the head tube and the seat tube. A first connection portion is connected to the conjunction portion of the seat tube and the down tube. The rear part includes a second connection portion, a connection plate extending from a top end of the second connection portion, and two chain stays and two seat stays extending from the connection plate. The connection plate is fixed to the seat tube by at least one bolt, and the first and second connection portions are connected to each other by at least two bolts. The first connection portion includes a ridge which is engaged with the groove defined in the second connection portion.
Claims7
A bicycle frame comprising:
- a front part including a head tube, a down tube having one end connected to the head tube and a first connection portion connected to the other end of the down tube, a seat tube having an end connected to the first connection portion, and
- a rear part including a second connection portion, a connection plate extending from a top end of the second connection portion, two chain stays extending from two sides of the top end of the second connection portion, two seat stays having one end connected to the chain stays and the other end connected to the connection plate, the connection plate fixed to the seat tube by at least one bolt, the first and second connection portions being connected to each other by at least two bolts.
Dependencies are inferred from the claim text.