Patent ID: 6667002
Filing Date: 2003-12-23
Classification: B29C,F16L,Y10S

Abstract:
A method of molding a swivel hinge including the elements of a relatively stationary base element and a relatively rotatable swivel element, the method comprising the steps of:providing a mold with a first mold portion for forming said base element and a second mold portion in communication with said first mold portion for forming said swivel element, wherein a first of said base element and said swivel element includes a swivel shaft and a second of said base element and said swivel element includes two apertures about which said swivel shaft is journaled, said swivel shaft providing an axis of rotation with respect to said apertures, said two apertures including outwardly conically flared walls and radially inwardly extending fingers which thicken in an outward direction within said outwardly conically flared walls for positioning said swivel shaft; providing said mold with common molding windows for forming molding gates which initially form said inwardly extending fingers integrally with said swivel shaft; and performing a molding step including providing material to form said swivel hinge wherein said swivel element is formed integrally with said base element, the swivel element being subsequently rotatable with respect to the said base element after said molding gates are broken.