Bicycle wheel rim for tubeless wheel
AssigneeCheng Shin Rubber Industrial Co., Ltd.
InventorTsai Jen Lo
Life of this patent
Estimating the term…
Abstract
A bicycle wheel rim includes a rim having a hollow inner part and an outer part which is integrally formed with the inner part. An opening is defined in radial direction of the outer part. A connection unit is formed in the outer part and includes two seats located at an inner bottom of the opening, and two sidewalls extending from the two seats. Two engaging portions are respectively formed on the two seats and located apart from each other. Each sidewall has an outside, an inside and a top face which is connected between the outside and the inside. The inside is a flat inside without any lip or flange. The sidewalls have better strength and protect the sidewalls of the tire from being deformed.
Claims11
A bicycle wheel rim comprising:
- a rim having an inner part and an outer part integrally formed with the inner part, the inner part forming a hollow part, the outer part having an opening radially directed therefrom, and
- a connection unit formed in the outer part and having:
- two seats and two sidewalls respectively extending from the two seats on opposite sides of the opening, the two seats located at an inner bottom of the opening,
- a bridge connected between the two seats, the opening being defined between the two sidewalls and the seats,
- two engaging portions respectively formed on the two seats and located apart from each other, each engaging portion offset by one of the seats from one sidewall corresponding thereto, each sidewall having an outside, an inside, and a top face extending between the outside and the inside, the inside defining a surface having a substantially flat profile without protrusion into the opening in a direction parallel to an axis of the bicycle wheel rim,
- wherein the sidewalls, the seats, and the engaging portions are configured to each engage lips of a tire secured thereto.
Dependencies are inferred from the claim text.