Patent ID: 7900582

Claim:
An aquarium, comprising: a body comprising a rear wall and shaped to form an opening at one end; a cover movably disposed over the opening of the body; and a connection device to connect the cover to the body and allow the cover to slide over the opening of the body so as to open and close the opening of the body, wherein the connection device comprises: a support component comprising: a vertical fitting component to mount to the rear wall of the body, and a shaft component disposed at one end of the vertical fitting part; and a guide rail attached to the cover to slidably receive the shaft component so as to slide and rotate the cover with respect to the body; wherein the guide rail is shaped to form a slide groove with a T-shaped cross-section that opens downward and toward the opening of the body; wherein the support component further comprises a horizontal fitting component that extends horizontally from one end of the vertical fitting component, and the shaft component is disposed at a position where the horizontal fitting component and the vertical fitting component are connected with each other; and wherein a width of one end of the slide groove is greater than a length of the shaft component, and a width of another end of the slide groove is greater than a size of the horizontal and vertical fitting component in an axial direction of the shaft component and is less than the length of the shaft component, so that the shaft component engages the slide groove and the guide rail slides on the shaft component.