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US 12,441,425 B2Granted
Bicycle chain cover
AssigneeCheng Uei Precision Industry Co., Ltd.
InventorChing Lin Hu
Life of this patent
Estimating the term…
Abstract
A bicycle chain cover includes a rear casing, an outer cover connected with the rear casing, and an inner cover connected with the rear casing. The inner cover and the outer cover are opposite to each other. The inner cover has two first ribs, two second ribs, a first ring and a second ring. The two first ribs are disposed at an inner edge of the inner cover. The two second ribs are disposed at the inner edge of the inner cover. The first ring is connected to the two first ribs. The second ring is connected to the two second ribs. The second ring is rotatably disposed in the first ring.
Claims14
A bicycle chain cover, comprising:
- a rear casing;
- a first chain casing connected with the rear casing, the first chain casing being slidable in the rear casing, the first chain casing having a first arc portion, a first extending portion, two first ribs and a first ring, the first extending portion being disposed at an outer rim of the first arc portion and extending towards the rear casing, a tail end of the first extending portion being connected with the rear casing, the tail end of the first extending portion being slidable in the rear casing, the two first ribs being disposed at an inner rim of the first arc portion, the first ring being connected to two inner ends of the two first ribs;
- and
- a second chain casing connected with the rear casing and the first chain casing, the second chain casing being slidable in the rear casing, the first chain casing and the second chain casing being slidable with respect to each other, the second chain casing having a second arc portion, a second extending portion, two second ribs and a second ring, two opposite ends of the second arc portion being slidably connected with two opposite ends of the first arc portion, respectively, the second extending portion being disposed at an outer rim of the second arc portion, the second extending portion and the first extending portion being disposed opposite to each other, a tail end of the second extending portion being connected with the rear casing, the tail end of the second extending portion being slidable in the rear casing, the two second ribs being disposed at an inner rim of the second arc portion, the second ring being connected to two inner ends of the two second ribs, the second ring being rotatably mounted in the first ring.
1 more element
A bicycle chain cover, comprising:
- a rear casing;
- a first outer cover connected with one free end of the rear casing;
- a first inner cover connected with the one free end of the rear casing, the first inner cover and the first outer cover being opposite to each other, the first outer cover and the first inner cover being buckled with each other, the first inner cover having two first ribs and a first ring, the two first ribs being disposed at an inner edge of the first inner cover, the first ring being connected to the two first ribs;
- a second outer cover connected with the other free end of the rear casing, the first outer cover being connected with the second outer cover;
- and
- a second inner cover connected with the other free end of the rear casing, the second outer cover and the second inner cover being opposite to each other, the second outer cover and the second inner cover being buckled with each other, the second inner cover having two second ribs and a second ring, the two second ribs being disposed at an inner edge of the second inner cover, the second ring being connected to the two second ribs, the second ring being rotatably mounted in the first ring.
3 more elements
A bicycle chain cover, comprising:
- a rear casing;
- an outer cover connected with the rear casing;
- and
- an inner cover connected with the rear casing, the inner cover and the outer cover being opposite to each other, the inner cover having two first ribs, two second ribs, a first ring and a second ring, the two first ribs being disposed at an inner edge of the inner cover, the two second ribs being disposed at the inner edge of the inner cover, the first ring being connected to the two first ribs, the second ring being connected to the two second ribs, the second ring being rotatably disposed in the first ring.
1 more element
Dependencies are inferred from the claim text.