Expandable Sling Bag Base for Oversized Items
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Solution Overview
Problem
Sling bags are typically too small to carry portable computers such as laptops and larger tablets due to their short height, limiting their versatility in carrying oversized items.
Innovation Solution
A sling bag design featuring an expandable base and secondary receptacle that allows for the carrying of oversized items by extending the base through a bottom opening, providing access for items to protrude above and below the bag, secured by a retention system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If sling bags are made with short height for everyday use and versatility in carrying small items, then ease of operation and adaptability are improved, but the ability to carry portable computers and oversized items deteriorates
Solution Approach 1:
The base of the sling bag is designed to be expandable rather than fixed. The base can be extended along the longitudinal axis of the bag body, transforming from a compact state suitable for small items to an expanded state capable of accommodating portable computers and oversized items. This dynamic transformation allows the bag to adapt its capacity according to different carrying needs.
Solution Approach 2:
The expansion mechanism extends the base in the longitudinal dimension of the bag, adding volume without increasing the bag's width or height significantly. This dimensional approach allows the bag to maintain its compact profile when not in use while providing extended capacity when needed.
2Ease of operation
If the bag body width exceeds height for comfortable wear across body locations, then ease of operation is improved, but the volume available for carrying oversized items deteriorates
Solution Approach 1:
The base is designed with expandability that allows it to extend along the longitudinal axis of the bag body. This dynamic feature enables the bag to maintain its width-exceeding-height profile for comfortable wear while providing expanded volume capacity when the base is extended to accommodate oversized items.
3Adaptability or versatility
If the sling bag is made compact for versatility in body locations, then adaptability is improved, but the ability to secure oversized items deteriorates
Solution Approach 1:
The expandable base provides the necessary volume and structural support to secure oversized items while maintaining the bag's compact profile for versatile wear. The base can be extended to accommodate large items and then secured in place, allowing the bag to handle both compact and oversized carrying needs.
Solution Approach 2:
The expandable base mechanism serves multiple functions: it provides structural support for oversized items, maintains bag shape during wear, and can be adjusted between expanded and compact states. This multi-functionality allows the single bag design to handle diverse carrying requirements across different body locations and item types.
Data Source
AI summary
An expandable sling bag has a shape and a shoulder strap that enable the sling bag to be worn across an individual's back, chest and/or abdomen, or side, under the individual's arm. The expandable sling bag includes an expandable receptacle that enables the sling bag to accommodate an oversized item, such as a portable computer, a sleeve for a portable computer, or the like, with dimension that exceed a height of the sling bag. More specifically, the expandable sling bag may include a receptacle with an opening at its top, an expandable base positionable within a bottom portion of the receptacle, and a bottom opening through which the expandable base may be extended to expand a length of the receptacle. Methods of using an expandable sling bag to carry oversized items are also disclosed.