Swing-Out Workbench Platform With Locking Support Linkage
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Solution Overview
Problem
Existing workbench extensions are complex, prone to failure, and inadequate for supporting heavy power tools, as they are not designed to efficiently utilize limited workbench space by moving between storage and extended positions.
Innovation Solution
A swing-out workbench extension with a rectangular platform and pivotably connected upright members that can be locked in an extended position, allowing tools to be easily moved between storage and use positions, featuring a latch for secure locking and adjustable design for various tool support configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a swing-away work surface addition is provided, then workbench space utilization is improved, but the structure becomes complex and subject to failure
Solution Approach 1:
The workbench extension is divided into separate functional segments: a rectangular platform for supporting tools, four independent upright members for structural support, and a latch mechanism for positioning. Each segment is independently designed and connected through pivotable joints, allowing the structure to achieve complex motion while maintaining simplicity in individual components.
Solution Approach 2:
The structure transitions from a static workbench surface to a dynamic swing-away extension. The rectangular platform is connected to the workbench top through pivotable upright members, enabling the extension to move between a stored position (hanging below the bench top) and an extended position (adjacent to the bench top), thereby providing adaptable workspace.
2Strength
If the swing-away structure is designed to support heavy loads, then load-bearing capacity is improved, but the structure becomes more complex and prone to failure
Solution Approach 1:
The four upright members are positioned asymmetrically at the corners of the rectangular platform, with two upright members on each side of the platform. This asymmetric arrangement optimizes the distribution of heavy loads during swinging motion and provides stable support when the platform is in the extended position, while maintaining structural simplicity.
Solution Approach 2:
The latch mechanism is designed to releasably lock the rectangular platform in the upper extended position before heavy tool use begins. This pre-locking mechanism prevents unintended movement during heavy load operations, enhancing reliability without requiring an overly complex structural design.
3Length of stationary object
If the platform is designed to extend to bench top height, then workspace accessibility is improved, but the swinging mechanism becomes more complex
Solution Approach 1:
The four upright members are merged into a single integrated swinging mechanism, with all four members connected to the rectangular platform and the workbench top through coordinated pivotable joints. This merging approach allows the entire platform assembly to swing as one unit between the stored and extended positions, achieving bench-top-height accessibility without requiring separate complex mechanisms for each component.
Solution Approach 2:
The rectangular platform serves multiple functions: it provides structural support for heavy tools, acts as a swing-away extension to increase workspace, and functions as a mounting surface for various power tools. The four upright members simultaneously provide structural support and enable the swinging motion, reducing the need for additional specialized components.
4Area of stationary object
If tools are mounted on the swinging platform, then space efficiency is improved, but the risk of tool damage during swinging increases
Solution Approach 1:
The latch mechanism is engaged in advance before tools are placed on the platform or before the platform is swung into the extended position. This preliminary locking action secures the platform in the upper extended position, preventing accidental movement or swinging that could damage mounted tools during work operations.
Solution Approach 2:
The latch mechanism is designed as a simple, robust component that can be quickly engaged and disengaged. While the latch itself is a durable long-lasting component, its simplicity allows for easy replacement if needed, and it provides sufficient protection for tools without requiring complex, expensive safety systems.
Data Source
AI summary
A swing-out workbench extension for a workbench includes a rectangular swinging platform and four swinging upright members having equal lengths and each pivotably connected at the lower ends thereof to the rectangular platform, two on each side thereof. The four swinging upright members are pivotably mounted on the underside of a bench top of a workbench so that the rectangular swinging platform is movable between a stored position hanging below the bench top and an upper extended position generally adjacent a bench top. The rectangular platform extends at all times in a generally horizontal plane whereby tools mounted on the rectangular swinging platform are retained thereon, and a latch is provided for releasably locking the rectangular swinging platform in the upper extended position.