Pivoting Surface Prep Head for Vertical Cleaning Ergonomics
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Solution Overview
Problem
Existing surface preparation devices, such as traditional mops, are unsuitable for cleaning vertical and uneven surfaces, leading to ergonomic issues, increased risk of injury, and inefficiencies in adapting to different cleaning tasks and surfaces, particularly in commercial environments.
Innovation Solution
A surface preparation apparatus featuring an elongated handle and a pivot joint with a spherical head portion that allows for ergonomic gripping, enabling users to clean surfaces by either holding the handle or the spherical head independently, and facilitating easy attachment and detachment of surface preparation materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional mop with a loose double articulating joint is used, then the mop head can move freely, but the mop head hangs down when the handle is held upright, making it unsuitable for cleaning vertical and overhead surfaces
Solution Approach 1:
The patent employs a dynamic joint mechanism that allows the mop head to pivot and articulate relative to the handle, enabling the mop to adapt to vertical, overhead, and uneven surfaces while maintaining proper ergonomic posture for the user. The joint system provides controlled movement rather than fixed positioning.
Solution Approach 2:
The mop design incorporates a universal joint configuration that enables the device to perform cleaning functions across multiple surface orientations (horizontal floors, vertical walls, overhead surfaces) through a single integrated mechanism, eliminating the need for separate tools for different surfaces.
2Adaptability or versatility
If a handheld cloth is used to clean vertical surfaces, then the user can reach difficult surfaces, but the user must exert significant force on the hand while angling the hand back towards the forearm, creating high fluid pressures in the carpal tunnel
Solution Approach 1:
The patent introduces an intermediary mechanical system (the articulated handle and mop head assembly) that mediates between the user and the cleaning surface. This intermediary structure supports the cleaning cloth and transmits forces through the handle to the user's hand in a more ergonomic manner, reducing direct hand strain and carpal tunnel pressure.
Solution Approach 2:
The mop head and handle assembly is designed to self-support the cleaning cloth and maintain proper positioning on vertical surfaces through its own gravitational and mechanical properties, reducing the need for the user to actively hold and position the cloth with strained hand movements.
3Ease of operation
If traditional mops are used for floor cleaning, then the user can be spaced away from the cleaning surface, but the mops are not well suited for cleaning tasks where it is desirable for a user to be relatively close to the surface
Solution Approach 1:
The articulated joint mechanism allows the mop to dynamically adjust its configuration based on the cleaning task. When close surface cleaning is required, the user can position the mop head closer to the body while the joint system accommodates the changed geometry, providing versatility across different operational distances.
Data Source
AI summary
Embodiments of the invention provide an apparatus for preparing a surface that includes an elongated handle and a head portion removably securable to the elongated handle via a pivot joint, the head portion being adapted to receive a surface preparation material and being capable of pivotal movement relative to the elongated handle. The apparatus is configured to allow the elongated handle to remain substantially perpendicular to the head portion without any external support.