Closure with hinged lid and cam and spring elements holding lid open or closed

摘要: ABSTRACT OF THE DISCLOSURE A complete closure including a member formed as bottle cap or integrally with container and lid connected to the by hinge hinge-type structure may be constructed so utilize spring cam serving cooperate hold in either closed position which covers an opening through open is spaced significantly from opening. Preferably integral unit out of polymer such polypropylene manner that consists upstanding resilient posts on top substantially non-bending rigid portions are located contact deform during movement lid. The considered quite desirable because its effectiveness it can manufactured at very nominal cost using straight pull injection molding dies form operative parts member.