Telescoping Cart with Adjustable Legs for Stair Navigation
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Solution Overview
Problem
Conventional cleaning carts are limited in their ability to efficiently transport and organize a variety of cleaning materials and tools, particularly in areas where rolling carts are not feasible, and they do not accommodate the need for easy conversion between a carrying device and a cart, leading to frequent bending and inefficient material management.
Innovation Solution
A telescoping cart apparatus with adjustable support legs, a carry handle, and extendable adjustment handle that allows for easy conversion between a compact and extended position, incorporating receptacles, a divider, bag attachment device, drink holder, side storage compartment, and attachment for cleaning devices like mops and brooms, enabling flexible use in both accessible and inaccessible areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional rolling cart is used to transport cleaning materials, then materials can be transported efficiently, but it cannot be used in areas with stairs or uneven terrain and requires constant bending to access materials
Solution Approach 1:
The support legs are designed to be dynamically adjustable between extended and retracted positions. When extended, the cart can be used on flat surfaces with the user in an upright position. When retracted, the cart becomes compact for navigating stairs and uneven terrain, solving the contradiction between ease of operation and adaptability to different terrains.
Solution Approach 2:
The support legs are stored within the cart body when not in use, similar to nested dolls. This nesting allows the cart to maintain a compact form factor for navigating tight spaces and stairs while still providing extended support legs when needed for stable operation on flat surfaces, resolving the versatility contradiction.
2Stability of the object's composition
If the cart is designed with extended support legs for stable operation, then it provides good stability, but it becomes bulky and difficult to transport
Solution Approach 1:
The support legs transition from a static extended structure to a dynamic, adjustable structure. They can be extended when stability is needed during cleaning operations and retracted when compact size is needed for transport, effectively resolving the contradiction between stability and compactness.
Solution Approach 2:
The support legs are segmented into telescoping sections that can be independently adjusted. This segmentation allows the legs to be extended only when needed for stability while maintaining a compact retracted form for transport, reducing the volume contradiction.
3Strength
If the cart structure is made rigid and fixed, then it provides structural strength, but it cannot be adjusted between compact and extended states
Solution Approach 1:
The cart incorporates telescoping support legs with locking mechanisms that provide structural strength when extended while allowing adjustment between extended and retracted states. This dynamic design maintains strength through the locking mechanism while enabling adaptability, resolving the contradiction between structural integrity and adjustability.
Solution Approach 2:
The telescoping support legs serve multiple functions: they provide structural strength when extended for stable operation, can be retracted for compact transport, and include locking mechanisms to maintain rigidity when needed. This multi-functionality resolves the contradiction between strength and adaptability.
4Ease of operation
If cleaning materials are stored in a fixed cart, then organization is maintained, but the cart cannot be easily disassembled for transport through narrow spaces
Solution Approach 1:
The telescoping support legs with simple locking mechanisms allow the cart to be quickly adjusted between extended and retracted states without complex disassembly. The materials remain organized in the carrier while the adjustable legs enable easy navigation through narrow spaces, resolving the contradiction between organization and transport simplicity.
Data Source
AI summary
A telescoping cart apparatus and method consists of a carrier configured to include receptacles for carrying cleaning materials. A carry handle is connected with the carrier where the carry handle is connected across the middle of the carrier. A divider is connected beneath the carry handle and is connected with the carrier such that the divider creates two separate sections of the carrier. Telescoping support legs are connected with the carrier where the telescoping support legs are adjustable from a retracted position within the carrier to an extended position outside of the carrier. An extendable adjustment handle is connected with the carrier. A button in the carry handle where the button is connected with the telescoping support legs for adjusting the positions of the telescoping support legs and wheels connected with the telescoping support legs.