초록 ▼

A container closure is provided with a structure that permits it to be readily disassembled and assembled for use on a container defining an opening communicating with the container interior. The closure includes a body and a cover separate from the body. The cover is adapted to be pivoted about an

A container closure is provided with a structure that permits it to be readily disassembled and assembled for use on a container defining an opening communicating with the container interior. The closure includes a body and a cover separate from the body. The cover is adapted to be pivoted about an axis between a closed position occluding a dispensing orifice in the body and at least one open position spaced away from the dispensing orifice. An axis-defining structure is provided on either the cover or the body for defining the pivot axis of the closure, and also includes a cam surface around the axis. The other one of the cover or body is provided with a receiving structure for engaging the cam surface to mount the cover to the body for pivoting about the axis. Either or both of the cover and body is elastically deformable. The deformable structure is least stressed when the cover is at one of the open positions. The deformable structure is most stressed when the cover is at over center point between the open and closed positions.

대표청구항 ▼

A container closure which can be readily disassembled and assembled for use on a container defining an opening communicating with the container interior, said closure comprising: a body for being mounted to said container over said container opening and defining a dispensing orifice for communicatin

A container closure which can be readily disassembled and assembled for use on a container defining an opening communicating with the container interior, said closure comprising: a body for being mounted to said container over said container opening and defining a dispensing orifice for communicating through said container opening with said container interior; a cover separate from said body and disposed on said body for being pivoted about an axis between a closed position occluding said dispensing orifice and an open position spaced away from said dispensing orifice; a shaft defining said axis on one of said cover and body, said shaft having a generally square axial cross section defining corners on said shaft; and a pair of spaced-apart fingers projecting from the other of said cover and body, said fingers of each pair defining between them a receiving region for receiving a portion of the length of said shaft, each said finger defining a concave indentation substantially complementary to a corner of said shaft, each finger of a pair being elastically deformable in directions toward and away from the other finger of the pair and being most stressed when said cover is at an over center point between said open and closed positions and said shaft corners are out of registry with said finger concave indentations whereby the reaction forces between said shaft and fingers thereby bias said cover toward at least one of said open and closed positions and wherein when said cover is in said closed position, said shaft corners are out of registry with said finger concave indentations.