US 5,251,542 A · Heat insulating cooking vessel

Abstract

In a heat insulating cooking vessel wherein a cooking pot with a lid element is contained in a freely removeable fashion within the inner space of a heat insulating container consisting of a heat insulating container and a lid which closes the mouth portion of this container member, the present invention comprises attachment shafts which are formed projecting outward from both side walls of the container member of the heat insulating container; a grip handle which is attached to the container member via the aforesaid attachment shafts and can be freely raised or lowered; a locking piece which is formed projecting outward from the side of the lid which is positioned above the attachment shafts when the container member is covered by the lid; a concave interlocking portion, which covers the locking piece when the container member is covered with the lid, and which is formed to the attachment parts of the handle grip attached to the sides of the container member; openings formed in the attachment parts of the aforesaid grip handle, the openings communicating with the aforesaid interlocking portion and permitting free movement of the lock in the upward direction when the aforesaid grip handle is lowered on one side of the container member; and a bearing face which presses the locking piece down on the lid and presses the lid down on the mouth portion of the container member when said grip handle is placed in the upright position or is lowered to the other side of said container member.

Claims11

Dependent claims

A heating insulating cooking vessel including a heat insulating container having a mouth portion, a lid for closing the mouth portion of said heat insulating container, a grip handle attached by attachment parts to the outer surface of the mouth portion of said heat insulating container so as to be freely raisable or lowerable, a cooking pot having a mouth portion and contained releasably in said heat insulating container, and a lid member for closing the mouth portion of said cooking pot, said heat insulating cooking vessel characterized in that:

said insulating container comprises a container member and attachment shafts which are formed to opposing sides of said container member and support said grip handle;
said lid comprises locking piece attached to opposing sides of said lid;
said grip handle is provided at said attachment parts thereof with an open portion which permits the free movement of said locking piece in the upper direction when said grip handle is lowered to one side of said container member, and with a concave shaped engaging part which covers said locking piece when said container member is covered by said lid, said engaging part comprising a bearing face at the inner surface thereof, said bearing face pressing said lid on to the mouth portion of said container member by pressing on said locking piece when said grip handle is placed in the upright position or is lowered to the other side of said container member.

said insulating container comprises a container member and attachment shafts which are formed to opposing sides of said container member and support said grip handle;
said lid comprises locking piece attached to opposing sides of said lid;
said grip handle is provided at said attachment parts thereof with an open portion which permits the free movement of said locking piece in the upper direction when said grip handle is lowered to one side of said container member, and with a concave shaped engaging part which covers said locking piece when said container member is covered by said lid, said engaging part comprising a bearing face at the inner surface thereof, said bearing face pressing said lid on to the mouth portion of said container member by pressing on said locking piece when said grip handle is placed in an upright position or is lowered to the other side of said container member;
said cooking pot comprising a pot member, tang portions provided opposite to each other on opposing walls of said pot member and extending upward, a grip handle extending portion extending from the upper end of said tang portion in the radial outward direction of said cooking pot and being formed so as to come in contact with the mouth portion of said container member and suspend said pot member so that there is a space between said pot member and said container member when said cooking pot is contained in said container member, and a grip portion attached to the end of said grip handle extending portion.

1 more element

Dependencies are inferred from the claim text.

Heat insulating cooking vessel

Life of this patent

Heat insulating cooking vessel

Life of this patent

Abstract

Claims11