Adjustable squeegee with scrubber bar
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Solution Overview
Problem
Existing squeegee devices have fixedly positioned cleaning implements, limiting ease of access to non-uniformly shaped or difficult-to-reach areas.
Innovation Solution
A cleaning device with a handle and a channel member, featuring a blade that can be selectively rotated and locked in various positions relative to the handle, allowing for adjustable support and easy access to complex surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cleaning implement is fixedly positioned relative to the handle, then the device structure is simple and reliable, but the ease of access to non-uniformly shaped or difficult to reach areas is limited
Solution Approach 1:
The blade assembly is made dynamically adjustable relative to the handle through a rotation mechanism with locking capability. The blade can be rotated to different angular positions and locked in place, transforming the fixed structure into a dynamic one that adapts to various cleaning surfaces and angles.
Solution Approach 2:
The cleaning device is segmented into separable components: the handle, the blade assembly, and the rotation mechanism. This segmentation allows the blade assembly to be independently positioned and angled relative to the handle, enabling access to difficult-to-reach areas while maintaining overall structural simplicity.
2Reliability
If the blade is replaceably coupled to the channel member with a lock assembly, then the reliability and ease of maintenance are improved, but the device complexity increases
Solution Approach 1:
The lock assembly is designed to be user-operated without requiring additional tools or complex mechanisms. The user can directly engage or disengage the lock to secure or replace the blade, making the system self-serviceable and maintaining simplicity despite the added functionality.
Solution Approach 2:
The lock assembly acts as an intermediary mechanism between the blade and the handle, providing a simple yet effective means of secure attachment. This intermediary component enables reliable blade fixation without requiring complex fastening systems.
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
A cleaning device is provided. The cleaning device includes a handle and a channel member operably coupled to the handle. A blade is replaceably coupled to the channel member. A lock assembly that includes an end cap, a lock switch member nd a support member. The end cap is coupled to the channel member. The lock switch member is slidably coupled to the end cap, the lock switch member being movable between an unlocked, a locked and an extended position. The support member is moveably coupled to the end cap and having a support surface adjacent a surface of the blade, the support member having a ramp portion that is engagable by the lock switch member to translate the support surface into contact with the surface of the blade.