A cover device for a trash bin includes a base member, which has a first end and a second end. A compartment is formed at the first end and an opening is defined between the first and second ends of the base member through which trash can be thrown into the trash bin. A cover member includes a cover
A cover device for a trash bin includes a base member, which has a first end and a second end. A compartment is formed at the first end and an opening is defined between the first and second ends of the base member through which trash can be thrown into the trash bin. A cover member includes a cover portion and a connected element. At least one elastic device includes an elastic element having a first end provided at the compartment and a second end coupled to the connected element. The cover member can be rotated between a first position and a second position. While in the second position of the cover member, the elastic element is released to lift the cover member upward, with the cover portion being completely exposed from the base member outward.
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1. A cover device for a trash bin comprising: a base member including a compartment formed at a first end thereof and an opening to throw trash into the trash bin from the opening, with the opening having a periphery;a cover member including a cover portion and a connected element, with the cover po
1. A cover device for a trash bin comprising: a base member including a compartment formed at a first end thereof and an opening to throw trash into the trash bin from the opening, with the opening having a periphery;a cover member including a cover portion and a connected element, with the cover portion having a periphery, with the connected element including a first section fixed to the cover portion and a second section integrally coupled to the first section and extending from the first section spaced from the cover portion and towards the periphery of the cover portion, with the first section being spaced from the periphery of the cover portion;at least one elastic device, with each elastic device including an elastic element having a first end provided at the compartment and a second end coupled to the connected element; andwherein the cover member is rotatable about an axis defined through the first and second ends of the elastic device between a first position and a second position, with the axis being spaced from the first section and the periphery of the cover portion; wherein while in the first position of the cover member, the peripheries of the opening and the cover portion abut with the opening of the base member closed by the cover portion of the cover member and the elastic element is pressed to twist with respect to the cover member; and wherein while in the second position of the cover member, the elastic element is released to lift the cover member upward, with the periphery of the cover portion being completely exposed and spaced from the periphery of the opening of the base member outward in the second position. 2. The cover device as claimed in claim 1 wherein while in the second position of the cover member, the connected element covers the at least one elastic device. 3. The cover device as claimed in claim 1, further comprising a tongue element provided at the second end of the base member and having a hooked hole thereon and a hook installed to an end of the cover member opposite to the connected element, with the hooked hole and the hook hooked to each other. 4. The cover device as claimed in claim 1, wherein the connected element is of a generally L-shape. 5. The cover device as claimed in claim 4 further comprising at least one fixed block provided at the compartment and a secure base connected to the second section of the connected element spaced from the cover portion; wherein the elastic device further includes a first tube member inserted into the at least one fixed block and engaged with the compartment and a second tube member inserted into the secure base and not able to rotate with respect to the secure base, with the elastic element having a first end coupled to the first tube member and a second end coupled to the second tube member. 6. The cover device as claimed in claim 5, wherein the connected element further forms an outer periphery and an inner periphery between the first and second sections, with the secure base fixed to the second section of the connected element and located on the inner periphery of the connected element, with the outer periphery of the connected element covering the secure base. 7. The cover device as claimed in claim 5 further comprising a restricted hole formed axially through the secure base; wherein the second tube member includes a limited end and an engaged hole respectively defined at two ends thereof, with the limited end inserted into the restricted hole of the secure base, with the second tube member not being able to rotate with respect to the secure base, with the second end of the elastic element engaged with the engaged hole of the second tube member. 8. The cover device as claimed in claim 6, with the first section of the connected element being perpendicular to the cover portion, with the second section of the connected element being perpendicular to the first section and parallel to the cover portion. 9. The cover device as claimed in claim 6, wherein the compartment has a bottom wall and a top wall, with the at least one fixed block fixed to the bottom wall; wherein while the cover member is in the second position, the first section of the connected element presses against the top wall. 10. The cover device as claimed in claim 6 wherein the outer periphery is toward the second section of the connected element and the inner periphery is toward the first section of the connected element. 11. The cover device as claimed in claim 7, wherein the restricted hole of the secure base is in a form of a polygonal hole and the limited end of the second tube member has a polygonal cross-section. 12. The cover device as claimed in claim 9, wherein the compartment has two lateral walls, a rear wall and a front wall, with the at least one fixed block surrounded between the lateral, rear and front walls. 13. The cover device as claimed in claim 12 further comprising a limited hole formed on each lateral wall of the compartment and a stepped hole axially formed on each fixed block and corresponding to the limited hole; wherein the first tube member includes an engaged end, which is defined at an end thereof, inserted into the stepped hole and engaged with the limited hole of the related lateral wall. 14. The cover device as claimed in claim 12 further comprising a gap formed at the center of the bottom wall and extending to the center of the front wall; wherein the second section of the connected element is provided at the gap and the connected element rotates with respect to the gap. 15. The cover device as claimed in claim 13 wherein the first tube member includes an engaged hole formed at another end thereof and engaged with the first end of the elastic element. 16. The cover device as claimed in claim 13, with the limited hole of each lateral wall being in a form of a polygonal hole.
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