Mezzanine Gate System with Interconnected Shafts
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Solution Overview
Problem
Conventional mezzanine gate systems occupy significant space above the side rails and require complex structures to ensure simultaneous opening and closing of inner and outer gates for safety, making them costly and difficult to manufacture and install.
Innovation Solution
A gate system with two sides defining a work area, featuring first and second shafts that are rotatably supported and interconnected in reverse gear, allowing both gates to pivot simultaneously in opposite directions, with gas cylinders to prevent slamming, enabling efficient and safe operation without occupying excessive space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional mezzanine gate systems use L-shaped or V-shaped frames to connect inner and outer gates for simultaneous opening/closing, then safety is improved by ensuring at least one gate is closed when the other is open, but the frame occupies considerable space above the side rails
Solution Approach 1:
The gate system is divided into independent inner and outer gates that operate separately but are coordinated through a control mechanism. Each gate can be controlled independently to open or close, eliminating the need for a rigid connecting frame that occupies space above the rails.
Solution Approach 2:
A control mechanism acts as an intermediary between the inner and outer gates, coordinating their opening and closing operations. This mediator ensures that at least one gate remains closed when the other is open, maintaining safety without requiring direct physical connection through space-occupying frames.
2Reliability
If conventional mezzanine gate systems use complex frame structures for simultaneous gate operation, then safety is improved, but manufacturing and installation become costly and difficult
Solution Approach 1:
The gate system is divided into independent inner and outer gates that can be manufactured separately using standard components. This segmentation allows each gate to be produced independently through simpler manufacturing processes and installed separately, reducing overall complexity and cost.
Solution Approach 2:
The control mechanism is designed to automatically coordinate gate operations without requiring complex mechanical linkages or professional installation. The system self-regulates to ensure safety requirements are met, simplifying both manufacturing and installation processes.
3Ease of operation
If conventional mezzanine gate systems use L-shaped or V-shaped frames to connect gates, then simultaneous opening/closing is achieved, but the structure becomes complex and space-consuming
Solution Approach 1:
A control mechanism serves as an intermediary to coordinate the opening and closing of inner and outer gates. This mediator simplifies the operational complexity by providing a straightforward control interface while maintaining the requirement that at least one gate remains closed when the other is open.
Solution Approach 2:
The complex L-shaped or V-shaped connecting frames are removed from the system. Instead, the coordination function is extracted and implemented through a separate control mechanism, eliminating unnecessary structural complexity while maintaining simultaneous gate operation capability.
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 system provides improved safety and reduced manufacturing costs by allowing simultaneous operation of gates without complex interconnections, ensuring one gate is always closed when the other is open, while preventing material and worker falls, and allowing easy fabrication and installation.
Implementation Method 1
A first gas cylinder has a first end attached to the first side and a second end attached to the first gate
Data Source
AI summary
A gate system (10) includes two spaced sides (12, 14) defining a work area (16) between the sides (12, 14). A first opening (18) is defined between first ends of the sides (12, 14), and a second opening (38) opposite to the first opening (18) is defined between second ends of the sides (12, 14). Two gates (82, 92) for opening/closing the first and second openings (18, 38) are respectively coupled with two shafts (40, 50) rotatably supported by one of the sides (12, 14). The shafts (40, 50) are rotatably interconnected wherein pivoting of one of the gates (82, 92) in a direction causes pivoting of the other gate (82, 92) in an opposite direction. Each gate (82, 92) includes a groove (85, 95) that receives a vertical beam (60, 62) of the other side (14) when the gate (82, 92) is in a closed position. Biasing elements in the form of gas cylinders (110, 120) between the side (12) and the gates (82, 92) prevent the gates (82, 92) from slamming into their closed positions.