Replaceable Brush Cartridge With Wedge Locking Mechanism
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Solution Overview
Problem
Current brooms require replacement of the entire unit when only the bristles wear out, leading to unnecessary waste and expense, as there is no efficient mechanism for replacing just the broom head without the pole.
Innovation Solution
A broom design featuring a replaceable brush cartridge with a pole receiver, retention skirt, track, and wedge retainer system that allows for easy installation and removal of the brush cartridge, enabling the broom head to be used independently or with a pole.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the entire broom is replaced when bristles wear out, then cleaning function is restored, but waste and expense increase unnecessarily
Solution Approach 1:
The broom is divided into separable components: a reusable pole/head assembly and a replaceable brush cartridge. This segmentation allows only the worn brush cartridge to be discarded while the durable pole and head are retained, directly resolving the contradiction between restoring cleaning function and minimizing waste.
Solution Approach 2:
The design enables selective discarding of only the consumable brush cartridge while recovering and reusing the durable pole and head assembly. This selective discarding approach eliminates the waste associated with replacing entire brooms while ensuring the cleaning function is restored through cartridge replacement.
2Reliability
If the entire broom is replaced when bristles wear out, then cleaning function is restored, but expense increases unnecessarily
Solution Approach 1:
By segmenting the broom into permanent (pole, head) and consumable (brush cartridge) components, the design allows users to invest once in the durable parts and only replace inexpensive cartridges, directly addressing the expense contradiction.
Solution Approach 2:
The brush cartridge is designed as a cheap, disposable component that replaces the expensive, durable pole and head assembly. This approach allows restoration of cleaning function while minimizing expense by discarding only the low-cost cartridge rather than the entire broom.
3Loss of substance
If replacement broom heads are sold without poles, then waste is reduced, but retail complexity increases due to additional stock requirements
Solution Approach 1:
The broom system is segmented into a permanent pole/head assembly and a replaceable cartridge, allowing retailers to stock one universal pole unit and multiple cartridge variants, simplifying inventory management while reducing waste compared to selling complete brooms.
Solution Approach 2:
The pole and head assembly serve as a universal base that can accommodate different brush cartridge types. This universality allows retailers to maintain a single stock of pole units while offering multiple cartridge options, reducing both waste and retail complexity.
4Loss of substance
If the brush cartridge is made replaceable, then waste and expense are reduced, but device complexity increases due to retention mechanisms
Solution Approach 1:
The retention system uses a dynamic wedge-shaped retainer that can be actuated to release the cartridge when needed but automatically secures it during normal use. This dynamic mechanism provides easy replaceability while maintaining simplicity during operation, balancing waste reduction with acceptable device complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design reduces waste and expense by allowing only the worn-out brush cartridge to be replaced, extending the life of the broom and minimizing environmental impact.
Implementation Method 1
a wedge with a live hinge connecting the wedge with the brush cartridge; the wedge positioned to engage with the wedge retainer of the cartridge receiver when the brush cartridge is installed in the cartridge receiver of the broom head
Data Source
AI summary
A broom with a replaceable brush cartridge is disclosed where the broom bristles can be replaced when worn. A brush cartridge is releasably retained by a broom head, and can be easily removed when needed. A replacement brush cartridge slides onto the broom head with a groove and track arrangement, and is locked into place with a wedge affixed to a live hinge on the brush cartridge that interacts with a wedge retainer on the broom head. A release tab moves the wedge away from the wedge retainer to unlock the brush cartridge from the broom head, allowing it to slide freely away. A new brush cartridge is then slid onto the track of the broom head, with the wedge and wedge retainer releasably engaging and locking the new brush cartridge to the broom head. The broom can be used as a pole broom or as a hand broom with a quick release retention button serving to release and reattach the pole as needed.