Pivot hinge for construction tool

Abstract

As shown in the "Reference Front View Showing the Use State", this article is attached to the upper corner of the door and used in engagement with a support fitting provided laterally at the upper end of the door frame. As shown in the "Plan View", "Reference Plan View 1 When the Hook Portion is Rotated", and "Reference Plan View 2 When the Hook Portion is Rotated", the hook-shaped hook portion is rotatable, and the door can be supported on the door frame by engaging the hook portion with the support fitting in a state where the support fitting is accommodated in the central space portion of the hook portion. Normally, the biasing force of the spring provided inside the main body acts on the hook portion, so that the opening of the main body is closed, but it is possible to grip and rotate the knob of the hook portion.

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