Angled Hinge Face Gravity-Closing Gate Assembly
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Solution Overview
Problem
There is a need for a swing hinge and gate assembly that can attach a gravity-closing gate to either side of a guardrail opening without requiring modification or additional equipment, allowing the gate to open in one direction and close in the opposite direction, and accommodating both flat and rounded guardrail portions.
Innovation Solution
A universal swing hinge assembly with an angled hinge face that allows the gravity-closing gate to rise during opening and automatically return to a closed configuration, featuring a hinge pin and recess design that can be attached to either side of the guardrail using bolts, clamps, or other fasteners, ensuring structural integrity and weatherability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional swing hinge is used, then the gate can be attached to one side of the guardrail opening, but it requires modification or additional equipment to attach to the other side
Solution Approach 1:
The swing hinge is designed with a recess having an angled hinge face that can be oriented in different directions, allowing the same hinge assembly to function correctly whether installed on the left or right side of the guardrail opening. The hinge pin can rotate within the recess to accommodate the gravitational force direction, enabling universal installation without modification.
2Reliability
If the hinge face is vertical, then the gate can be attached securely, but the gate cannot automatically return to closed position via gravity
Solution Approach 1:
The hinge face is designed with an angle between 5 and 45 degrees relative to the vertical axis, creating an asymmetric configuration that enables the gate to automatically return to the closed position under gravitational influence while maintaining secure attachment through the angled contact surface.
3Adaptability or versatility
If the swing hinge is designed for one specific side, then the assembly is simpler, but it cannot be used on both sides without disassembly
Solution Approach 1:
The hinge pin is designed to rotate freely within the recess of the swing hinge assembly, allowing the hinge to dynamically adjust its orientation based on which side of the guardrail it is installed on. This dynamic adaptation enables the same static assembly to function correctly in both left-handed and right-handed configurations.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enables secure attachment and operation of the gravity-closing gate on either side of the guardrail, maintaining structural integrity and preventing deformation, while allowing the gate to automatically close and restrict access, thus enhancing safety and versatility.
Implementation Method 1
allowing the gravity-closing gate to automatically return via gravity in either direction to the lowest neutral position and closed configuration
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
A swing hinge assembly and gravity-closing gate assembly can be attached to a guardrail on either side of a guardrail opening. A hinge pin can be disposed through the swing hinge assembly and the gravity-closing gate for attaching the gravity-closing gate thereto. The swing hinge assembly can have a C-configuration that allows the gravity-closing gate to swing open in either direction from a lowest neutral position. A recess of the swing hinge assembly can have an angled hinge face that opens towards the guardrail opening. In operation, the angled hinge face can cause the gravity-closing gate to rise from the lowest neutral position when the gravity-closing gate is opening, and the angled hinge face can cause the gravity-closing gate to return to the lowest neutral position when closing.