Retractable Leg Bag Workbench for Elevated Working Height
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Solution Overview
Problem
Traditional rolling bags lack a convenient and elevated work surface, making it uncomfortable for users, especially those with back issues or requiring frequent movement, as they often need to operate from the ground without a suitable table-height surface.
Innovation Solution
A bag workbench with retractable legs that can extend to create a sturdy, elevated work surface, allowing users to transport gear and tools while providing a built-in work surface and organizational features, suitable for various outdoor and on-location uses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional rolling bags are used on the ground, then the bag is portable and easy to move, but the working comfort deteriorates due to lack of elevated work surface
Solution Approach 1:
The patent applies dynamics by making the legs movable between retracted and extended positions. The legs can be deployed to create an elevated work surface when needed and retracted when not in use, allowing the bag to adapt between different working conditions. This dynamic structure resolves the contradiction by providing elevated working comfort only when required, without permanently increasing device complexity.
Solution Approach 2:
The patent implements multi-functionality by enabling the bag to serve multiple purposes: it can be used as a simple portable bag with legs retracted, or transformed into an elevated workbench with legs extended. This universal design allows the same device to address different working scenarios, improving working comfort without requiring separate equipment for each function.
2Ease of operation
If legs are extended to create elevated work surface, then working height is improved, but stability may worsen during movement
Solution Approach 1:
The dynamic leg mechanism allows the structure to adapt its configuration based on operational needs. During movement, legs are retracted to maintain stability and portability. During stationary work, legs are extended to provide appropriate working height. This temporal separation of functions resolves the contradiction between working height and movement stability.
Solution Approach 2:
The leg structure is segmented into multiple parts that can be independently positioned. The legs are divided into sections that can be extended or retracted independently, allowing the bag to maintain a compact, stable configuration during transport while providing an elevated, stable platform when deployed for work.
Data Source
AI summary
A multipurpose bag apparatus is provided herein. The multipurpose bag apparatus may include a rectangular bottom portion, an upper portion, and a plurality of legs configured to be retracted and stored within one of the bottom portion or the top portion. In certain optional embodiments, the plurality of legs may be part of a scissor leg system coupled to the bottom portion which includes an upper scissor leg portion, a lower scissor leg portion, and a locking mechanism for selectively preventing movement of the upper and lower scissor leg portions between retracted and extended positions. In other optional embodiments, the plurality of legs may be coupled slidably coupled to a leg support structure positioned within the upper portion. The plurality of legs may further be telescopic.