Land vehicles: wheels and axles – Wheel – Tension wheel; e.g. – spoke
Reexamination Certificate
2001-08-06
2002-06-25
Morano, S. Joseph (Department: 3617)
Land vehicles: wheels and axles
Wheel
Tension wheel; e.g., spoke
C301S061000, C301S075000, C301S080000
Reexamination Certificate
active
06409279
ABSTRACT:
BACKGROUND THE INVENTION
1. Field of the Invention
The present invention relates to a bicycle wheel, more particularly to a bicycle wheel having a hub provided with a plurality of pivotable mounting seats for mounting spokes on the hub.
2. Description of the Related Art
Referring to
FIG. 1
, a conventional bicycle wheel includes a wheel rim
11
mounted on a hub
10
by means of a plurality of spokes
12
. The hub
10
has left and right end portions, each of which is formed with an axially extending annular flange
101
that is formed with a plurality of spoke fastening holes
103
for receiving spoke fasteners
13
. As shown, the annular flange
101
forms an angle (&agr;) of about 90 degrees with an adjacent end face of the hub
10
. Since the spokes
12
extend radially, the annular flanges
101
are susceptible to deformation due to tension forces applied by he spokes
12
. Moreover, fine adjustment of the positions of the spoke fastening holes
103
is not possible. As such, the spoke fastening holes
103
of the hub
10
must be formed with a high accuracy to ensure alignment with corresponding spoke mounting holes in the wheel rim
11
, thereby complicating the manufacture of the hub
10
.
SUMMARY OF THE INVENTION
The main object of the present invention is to provide a bicycle wheel having a hub which is easier to manufacture and which is mounted with a plurality of mounting seats for connecting spokes to the hub.
Accordingly, the bicycle wheel of the present invention is adapted to be installed on a wheel axle, and includes a hub, a plurality of mounting seats, a wheel rim, and a plurality of spokes. The hub is adapted to be mounted rotatably on the wheel axle, and has left and right end portions which are opposite to each other along an axis of the wheel axle. Each of the left and right end portions is formed with an annular mounting flange which extends around the axis of the wheel axle. The mounting seats are arranged around the axis of the wheel axle, and are mounted pivotally on the mounting flanges of the hub. The wheel rim is disposed around the hub and the mounting seats, and includes an annular tire retaining portion and an annular spoke mounting portion extending radially and inwardly from the tire retaining portion. The spokes have outer ends mounted on the spoke mounting portion of the wheel rim, and inner ends mounted on the mounting seats for mounting the wheel rim on the hub.
REFERENCES:
patent: 43651 (1864-07-01), Woodard
patent: 348635 (1886-09-01), Nolen
patent: 430687 (1890-06-01), Reinhold
patent: 475583 (1892-05-01), Little
patent: 487283 (1892-12-01), Little
patent: 552233 (1895-12-01), Caborn
patent: 608210 (1898-08-01), McCoy
patent: 1084620 (1914-01-01), Forrester
patent: 2707559 (1995-01-01), None
No affiliations
Alex Machine Industrial Co., LTD
Bellinger Jason R.
Ladas & Parry
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