초록 ▼

A closure is provided for a container opening. The closure includes a base for mounting to the container and a lid movable between a closed position and an open position. The lid and base are connected by a bistable, snap-action hinge structure having a web with a reduced thickness region along a la

A closure is provided for a container opening. The closure includes a base for mounting to the container and a lid movable between a closed position and an open position. The lid and base are connected by a bistable, snap-action hinge structure having a web with a reduced thickness region along a lateral edge.

대표청구항 ▼

[ What is claimed is:] [1.]1. A bistable, snap-action hinge structure for connecting two members, said hinge structure comprising:a continuous structure molded unitary with the two members to include (a) a web having a narrow portion and at least one wider end which defines a lateral edge, (b) a hin

[ What is claimed is:] [1.]1. A bistable, snap-action hinge structure for connecting two members, said hinge structure comprising:a continuous structure molded unitary with the two members to include (a) a web having a narrow portion and at least one wider end which defines a lateral edge, (b) a hinge that connects one of the members to said web along one side of said web, and (c) a hinge that connects the other of the members to said web along another side of said web, each said hinge bending to permit said web to move through a range of orientations relative to said member, said web having a reduced thickness region, said reduced thickness region extending to said lateral edge and having a reduced thickness at said lateral edge relative to the thickness of adjacent portions of said web at said lateral edges.