Rotating Lock Box with Transparent Arcuate Walls
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Solution Overview
Problem
Conventional utility carts with lock boxes lack visibility and efficient access to stored items, as they typically have opaque or poorly designed lock mechanisms that obscure contents when closed.
Innovation Solution
A lock box design featuring a fixed housing with a rotating housing portion that can be rotated rearwardly for access and forwardly downwardly to enclose items, with clear see-through arcuate walls and a key lock mechanism, allowing items to remain visible and secure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional opaque lock boxes are used, then security and enclosure are improved, but visibility of stored items deteriorates
Solution Approach 1:
The patent applies transparency as a visual property change to the lock box housing. The housing is made transparent or translucent, allowing visibility of stored items while maintaining the enclosed secure space. This resolves the contradiction by changing the optical property of the housing material rather than adding separate viewing mechanisms.
2Device complexity
If conventional lock boxes with fixed doors are used, then structural simplicity is improved, but accessibility and ease of operation deteriorate
Solution Approach 1:
The patent introduces a rotatable housing portion that can pivot between a closed position (enclosing items) and an open position (providing access). This dynamic element allows the lock box to transition between security and accessibility states without requiring complete disassembly or complex mechanisms. The rotatable portion is simplified by using the housing itself as the locking mechanism.
3Ease of operation
If the rotating housing portion is made larger for better access, then ease of operation is improved, but the volume available for storing items deteriorates
Solution Approach 1:
The patent divides the lock box into two functional segments: a stationary housing portion that maintains the primary storage volume, and a rotatable housing portion that provides access functionality. This segmentation allows the access mechanism to be integrated without significantly reducing the overall storage capacity, as the rotatable portion only needs to be sufficient for item retrieval rather than full storage.
Data Source
AI summary
A utility cart with lock box which includes a fixed housing portion mounted to the top of a cart storage unit, and a rotating housing portion rotatably mounted to the fixed housing portion. The fixed housing portion includes spaced sidewalls joined to a clear see through arcuate back wall, and an open front. The rotating housing portion includes spaced sidewalls joined to a clear see through arcuate front wall, and an open back. The rotating housing portion is dimensioned such that it can be rotated rearwardly up and over the fixed housing to provide access to items stored in the fixed housing portion, or under the closed rotating housing portion. Alternatively the rotating housing can be rotated forwardly and downwardly to enclose all items in the lock box. The items located in the lock box are visible whether the box is opened or closed.