Cleaner head
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Solution Overview
Problem
Existing cleaner heads require complex and time-consuming processes to remove agitators, often necessitating tools or difficult manual operations, especially for users with reduced dexterity.
Innovation Solution
A cleaner head design featuring a rotatable end cap with a latch mechanism and a release member on the end cap, allowing for easy removal without tools, with the release member operable by hand to rotate the locking portion between locked and unlocked positions, simplifying the process and reducing user effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a tool is required to remove the end cap, then the end cap can be securely locked, but the ease of operation deteriorates as users need to locate and use a tool
Solution Approach 1:
The end cap incorporates a release member that allows users to unlock and remove it using only their fingers, eliminating the need for external tools. The release member engages with the locking portion to provide secure locking during normal operation, while enabling tool-free removal when needed.
2Reliability
If a mechanism on the housing is used to release the end cap, then the locking can be secure, but the ease of operation deteriorates as users must coordinate multiple hands and stretch fingers
Solution Approach 1:
The locking system is divided into distinct components: a locking portion on the end cap, a release member also on the end cap, and a latch mechanism on the housing. This segmentation allows the release member to be positioned on the end cap itself, enabling users to operate it with one hand without coordinating multiple hands or stretching fingers.
3Reliability
If the release member is provided on the housing, then the latch mechanism can be effective, but the ease of operation deteriorates as the release member is harder to reach
Solution Approach 1:
The release member is merged with the end cap, combining two previously separate elements into one integrated component. This allows the release member to be positioned on the end cap where it is easily accessible to the user's hand, improving accessibility while maintaining the effectiveness of the latch mechanism through proper engagement with the locking portion.
Data Source
AI summary
A cleaner head includes an agitator; a housing defining an agitator chamber and an aperture through which the agitator can be removed from the agitator chamber; and an end cap attachable to the housing to close the aperture, and releasable from the housing to open the aperture. The end cap is attachable and releasable by rotating at least a locking portion of the end cap about a locking axis between locked and unlocked positions relative to the housing. The cleaner head has a latch mechanism configured to prevent rotation of the locking portion to the unlocked position. The latch mechanism has a release member which is provided on the end cap, the release member being operable by hand to release the latch.