Door retention device used in process of manufacturing automobile

Abstract

In order to ensure that a door can be retained at least in a fully opened position and a slightly opened position by the combination of a smaller number of exclusive parts with a hinge connecting a body and a door in a door retention device used in a process of manufacturing an automobile, the door retention device includes a torsion springmounted to a first hinge armof a door hinge H, and a camformed on a second hinge armof the door hinge H. The camis provided with a first positioning recessand a second positioning recessin which a movable arm portionof the torsion springis brought into engagement in the fully opened position F and the slightly opened position S of the door D, and a projectiondisposed between the first and second positioning recessesandand adapted to apply a load to the movable arm portionin accordance with the turning of the door D. The torsion springis capable of being mounted and demounted in a non-loaded state to and from the first hinge armin the fully opened position F of the door D.