Backpack Hinged Back Panel for Cavity Access
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Solution Overview
Problem
Existing backpack designs often limit access to the inner cavity, making it difficult to insert or remove large or bulky items and view contents, due to fasteners that provide only limited openings.
Innovation Solution
A backpack with a hinged back panel that pivots open when the releasable fastener is in an open position, allowing improved access to the inner cavity by positioning the hinge below the storage component, enabling the back surface to bend and provide wider access without obstructing the storage compartment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fastener extending across the outer surface is used to provide access to the inner cavity, then the backpack can be secured when closed, but the opening provides only limited access making it difficult to insert or remove large or bulky items
Solution Approach 1:
The back surface is segmented into a fixed portion and a movable portion that can pivot independently about the hinge. This segmentation allows the movable portion to swing open and provide wide access to the inner cavity while the fixed portion remains attached to the body, resolving the contradiction between secure closure and large opening access.
Solution Approach 2:
The back surface transitions from a static structure to a dynamic one with a hinge joint, enabling it to pivot between closed and open positions. This dynamic capability allows the back surface to provide both secure closure when needed and wide access when the movable portion is swung open, eliminating the trade-off between closure security and access ease.
2Ease of operation
If the hinge is positioned above the storage component, then the back surface can pivot open for access, but the storage component would obstruct the opening and reduce access effectiveness
Solution Approach 1:
The hinge is positioned at a specific location (below the storage component) that optimizes both access and storage functions. This localized positioning ensures that when the back surface pivots open, the storage component does not obstruct the opening, allowing full access to the inner cavity while maintaining complete storage capacity.
Data Source
AI summary
A backpack including a body having a back surface configured to be positioned adjacent to a back of a wearer when the backpack is worn. The body further includes a front surface at least partially spaced away from the back surface to at least partially define an inner cavity therebetween. The backpack has a storage component positioned within the inner cavity and at least one shoulder strap coupled to the body and positionable over a shoulder of a wearer. The backpack further has a releasable fastener that is movable to an open position to provide access to the inner cavity and movable to a closed position to block access to the inner cavity. The back surface includes a hinge about which the back surface is predisposed to bend, and the backpack is configured such that when the releasable fastener is in the open position at least part of the back surface is pivotable about the hinge to provide access to the inner cavity. The hinge is positioned below the storage component.