Receptacles – Closures – Secondary closure within parameter of primary closure
Reexamination Certificate
1999-05-10
2001-03-27
Cronin, Stephen K. (Department: 3727)
Receptacles
Closures
Secondary closure within parameter of primary closure
C220S326000, C220S829000, C220S833000, C220S835000, C220S836000
Reexamination Certificate
active
06206221
ABSTRACT:
TECHNICAL FIELD
The present invention relates to a lid assembly for hermetically closing an opening in a container body, particularly to a lid assembly that can be opened by a single touch thereto.
BACKGROUND ART
A container body containing articles, such as wet tissues has a lid assembly for opening and hermetically closing the container body.
Such lid assembly is attached to the container body, and comprises a lid body with a hinged lid joined to the lid body and able to move freely.
In order to pull out the wet tissues, the hinged lid is lifted up from the lid body thereby exposing the dispensing opening. The wet tissues can then be taken out one at a time.
As mentioned above, the lid assembly comprises the lid body, and the hinged lid joined to the lid body, which must be lifted up to expose the dispensing opening every time the tissues are taken out.
It would be convenient if the hinged lid could be opened with a single touch thereto.
DISCLOSURE OF THE INVENTION
Accordingly, one of the objects of the present invention is to provide a lid assembly having a hinged lid that can be opened easily and safely.
The present invention provides a lid assembly comprising:
a lid body having an outer frame to be fitted on a container body which is provided with a dispensing opening; and a hinged lid pivotally joined to the lid body so as to close the dispensing opening hermetically. A hinged joint between the lid body and the hinged lid is provided with an elastic biasing means for biasing the hinged lid in an opening direction, the outer frame provided with a vertical plate and a horizontal plate on part of the edge of the free side of the hinged lid, the hinged lid is provided with a stopping projection on the free edge of the hinged lid, the vertical plate provided with a catching projection that catches the stopping projection of the hinged lid, and which can be disengaged from the stopping projection by pressing the horizontal plate to bend the vertical plate.
In this lid assembly, a recess sunk beneath the outer surface of the outer frame may be formed in a part of the outer frame on the free end of the hinged lid; the vertical plate may be formed in the recess so as to be separated from the outer frame; and the horizontal plate may be extended from the vertical plate in a direction away from the hinged lid.
In this lid assembly, a top plate sunk beneath the outer surface of the outer frame may be connected to the outer frame by a vertical wall, the dispensing opening may be formed in the top plate, the horizontal plate and the vertical plate may be formed by forming slits in parts of the outer frame and the vertical wall on the free side of the hinged lid, and the horizontal plate and the vertical plate may be separated from the other parts of the outer frame and the vertical wall by the slits.
In this lid assembly, a top plate sunk beneath the outer surface of the outer frame may be connected to the outer frame by a vertical wall. The dispensing opening may be formed in the top plate, the horizontal plate and the vertical plate may be formed by forming thin parts in parts of the outer frame and the vertical wall on the free side of the hinged lid, and the horizontal plate and the vertical plate may be separated from the other parts of the outer frame and the vertical wall by the thin parts.
According to the present invention, the vertical plate can be bent to release the stopping projection from the catching projection by pressing the horizontal plate without bending the outer frame, and then the hinged lid is opened by the elastic biasing means.
REFERENCES:
patent: 4739900 (1988-04-01), Borst
patent: 4874103 (1989-10-01), Quisenberry et al.
patent: 5573132 (1996-11-01), Kanfer et al.
patent: 5620107 (1997-04-01), Takeuchi
patent: 60-161926 (1985-10-01), None
patent: 9-58725 (1997-03-01), None
Bando Takeshi
Shinogi Norikazu
Tanaka Yoshikazu
Cronin Stephen K.
Uni-Charm Corporation
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