Cart Cabinet Closure Kit with Bushing Fasteners
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Solution Overview
Problem
Assembled work carts are bulky and difficult to inventory and ship, and existing solutions do not provide an easy-to-mount cabinet closure system for secure storage.
Innovation Solution
A hand cart design with angle-stock legs and keyhole-shaped apertures, along with a bushing system and a kit comprising three wall sections with hinges, allows for easy assembly and secure closure of the cart's volume using fasteners and bushings for secure storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If assembled work carts are shipped in complete form, then the cart is ready for immediate use, but storage space and shipping costs increase due to bulkiness
Solution Approach 1:
The work cart is divided into separate components (cart frame, cabinet closure, wall sections) that are shipped in a compact, disassembled state and assembled by the customer. This segmentation reduces storage volume while maintaining the ability to provide a complete functional cart.
2Ease of manufacture
If cabinet closure system is pre-assembled, then installation is simpler, but inventory storage requirements increase
Solution Approach 1:
The cabinet closure components are pre-designed with built-in features (bushings, fastening systems, alignment elements) that facilitate easy assembly during installation. The components are prepared in advance with all necessary mounting elements integrated, allowing customers to simply assemble rather than fabricate or modify parts.
3Adaptability or versatility
If custom cabinet closures are manufactured for each cart, then secure storage is optimized, but manufacturing complexity and cost increase
Solution Approach 1:
A universal cabinet closure system is designed that can be adapted to fit various cart configurations. The standardized components (wall sections, bushings, fasteners) can be combined in different arrangements to create customized closure solutions for different storage needs without requiring unique parts for each cart model.
Data Source
AI summary
One embodiment of the invention provides kit that can be used for closing off the volume between the top and bottom trays of a hand cart for more secure storage of items on the bottom tray. The kit comprises a first wall section, a second wall section, and a third wall section. The first wall section is generally flat. The second wall section has a first generally flat section and a second generally flat section connected by a corner section. The third wall section has a first generally flat section and a second generally flat section connected by a corner section, and a generally flat door section connected to the second generally flat section by a hinge. The kit preferably comprises a plurality of fastener pairs for attaching the wall sections to the angle-stock legs. Preferably, each fastener pair comprises a bolt and a nut, and the kit further comprises a bushing for each fastener pair.