Tool-Free Wiper Attachment for Linear Motion Guides
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Solution Overview
Problem
Conventional linear motion guide devices require significant time and effort to attach or detach dust proof wipers or end seals due to solid fastening mechanisms, and these wipers can only be attached from the end portion of the guide rail, limiting ease of use and quick replacement.
Innovation Solution
A linear motion guide apparatus with detachable wiper devices featuring projections, latches, and catches that allow secure anchoring and positioning on end caps without additional tools, enabling easy attachment and detachment from any point along the guide rail.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If dust proof wipers are solidly secured with four or more fasteners, then sealing reliability is improved, but attachment and detachment time increases significantly
Solution Approach 1:
The wiper device is divided into modular components: the wiper element and the end cap can be separated and reattached independently. This segmentation allows the wiper to be quickly detached and replaced without removing multiple fasteners, significantly reducing attachment and detachment time while maintaining sealing reliability through the modular design.
2Device complexity
If wipers are attached from the end portion of the guide rail only, then structural simplicity is maintained, but operational flexibility is reduced
Solution Approach 1:
The end cap design incorporates universal attachment features that enable the wiper to be installed at multiple positions along the guide rail, not just at the end portion. The standardized interface allows the same wiper assembly to function at different locations, providing operational flexibility without increasing structural complexity.
3Strength
If additional tools are required for wiper attachment, then securing strength is improved, but ease of operation deteriorates
Solution Approach 1:
The wiper attachment mechanism is designed to be self-servicing, allowing operators to attach and detach wipers using only their hands without requiring additional tools. The finger-operable release mechanism and snap-fit design enable tool-free attachment while maintaining adequate securing strength through the mechanical interlocking features between the wiper element and end cap.
Data Source
AI summary
A linear motion guide device includes a slider slidably attached onto a guide rail, an end cap and a wiper device attached to each side of the slider, the wiper device includes two wiping members to be easily and detachably attached to each of the end cap without tools and fasteners. The wiping members each include one or more projections or one or more latches for engaging with the end cap and for anchoring and positioning the wiping members to the end cap without tools and fasteners. The end cap includes a space separated into two chambers and for receiving the wiping members respectively. The wiping members each include a soft wiping portion for resiliently engaging with the guide rail.