Case
AssigneeM.F.V. Co., Ltd.
InventorsTakahiro Fujita, Michitoshi Takeda
Life of this patent
Estimating the term…
Abstract
A case capable of airtightly closing an opening of a mouth of a case body by screwing a lid on the case body; and rotating the lid smoothly in the circumferential direction when the lid is screwed on or unscrewed from the case body. The case including a case body having a mouth, and a lid detachably screwed on the mouth so as to close an opening of the mouth and connected to the case body via an opening and closing hinge so as to pivot in directions of opening and closing the mouth is provided with a rotary ring fitted and held around the mouth so as to rotate in a circumferential direction thereof and connected to the lid via the opening and closing hinge so that the lid rotates together with the rotary ring.
Claims7
A case comprising:
- a case body provided with a mouth;
- a lid having a circumferential wall extending from a region substantially along a peripheral edge of the lid, the lid being configured to be detachably screwed on the mouth for closing an opening thereof;
- a rotary ring fitted and held around the mouth so as to rotate in a circumferential direction thereof, wherein the lid is pivotally connected to the rotary ring via a hinge and is configured to rotate together with the rotary ring, and a portion of the lid is configured to fit substantially to the rotary ring when the mouth is closed with the lid;
- and
- a screw mechanism provided between the mouth and the lid, the screw mechanism being adapted to protect the lid outward with respect to the rotary ring when the lid is unscrewed from the mouth, and to draw back the circumferential wall into the interior of the rotary ring when the lid is screwed on the mouth.
Dependencies are inferred from the claim text.