Appeal No. 2006-1745 Page 3
Application No. 10/010,361
Denby discloses a quick release assembly for bicycle wheels comprising a
handle 52 having a key 54, a piston 64 having a bore 88 and a cam 74 having first
and second ends held by a cap 66 for rotation in the bore 88, one of the ends of the
cam formed as a key receiving member provided with a keyhole 78 for receiving
the key 54 of the handle 52. The wall of cap 66 at the opening 68 is provided with
a groove 72 positioned about the circumference of the opening. The key 54
permits handle 52 to function not only to rotate the cam to move the piston, but to
provide a means for locking the assembly so as to prevent the likelihood of theft of
the wheel.
Denby’s quick release assembly is also provided with means to secure
handle 52 to the assembly so that it will not fall off during normal use of the
bicycle, but yet be easily removed by the cyclist so that theft of the wheel is not
likely to occur. As shown in Figure 5, the base area 52a of the handle 52 is
provided with release clip 56 that surrounds a substantial portion of the base of the
handle above the key 54, the release clip being provided with a pair of finger grips
62. The exterior side of the lower portion of the clip 56 is provided with a
protruding rib 58 that is sized for receipt in groove 72 in opening 68 of the wall of
cap 66. As shown in Figure 7A, when the finger grips 62 are squeezed together,
the outside diameter of the clip 56 is reduced somewhat, permitting mating of the
rib 58 and groove 72. When pressure on the finger grips is released, the clip
expands as shown in Figure 7B and the rib is received in the groove locking the
handle 52 and key 54 into the assembly 50.
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Last modified: November 3, 2007