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 having a case body provided with a mouth, and a lid detachably screwed on the mouth for closing an opening of the mouth, the lid being pivotally connected to the case body via an opening and closing hinge so as to pivot in directions of opening and closing the mouth, comprising:
- a rotary ring fitted and held around the mouth so as to rotate in a circumferential direction thereof, the lid being connected to the rotary ring via the opening and closing hinge so as to rotate together with the rotary ring.
Dependencies are inferred from the claim text.