Tool holding frame
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Solution Overview
Problem
Conventional tool holding frames with metallic track bases often scratch table surfaces due to their material composition.
Innovation Solution
A tool holding frame featuring a metal track base with elongated lower portions and engaging tabs, combined with slidably mounted plastic protective pads that engage with the tabs to prevent direct contact with the table surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the track base is made of metallic material for structural strength, then the strength of the tool holding frame is improved, but the track base will scratch the table surface when placed on it
Solution Approach 1:
The patent introduces protective pads as an intermediary element between the metallic track base and the table surface. These pads are attached to the bottom of the track base and serve as a mediator that prevents direct contact between the hard metal and the table, thereby eliminating the scratching harm while preserving the structural strength provided by the metal frame.
Solution Approach 2:
The solution creates a composite structure by combining the metallic track base with non-metallic protective pads. This composite approach allows the system to benefit from both the strength of metal and the surface-protection properties of softer materials like rubber or plastic, resolving the contradiction between structural requirements and surface compatibility.
2Object-affected harmful factors
If protective pads are added to prevent scratching, then the surface protection is improved, but the device complexity increases
Solution Approach 1:
The protective pad system is segmented into multiple independent pads rather than a single continuous covering. This segmentation allows for easier attachment and removal, simplifies manufacturing, and enables the pads to be replaced individually if damaged, thereby reducing the overall complexity of maintenance and assembly while still providing comprehensive surface protection.
Data Source
AI summary
A tool holding frame has a track base and at least one protective pad. The track base is made of metal and has a lower portion having two engaging tabs. The at least one protective pad is made of plastic and is engaged with the two engaging tabs of the lower portion. Each of the at least one protective pad has two engaging portions respectively engaged with the two engaging tabs. Each of the two engaging portions has a bottom segment abutting against a bottom of a corresponding one of the two engaging tabs and at least one hook engaged with the corresponding one of the two engaging tabs. Each of the at least one hook has a connection segment and a hooking protrusion spaced from the bottom segment to form an engaging groove therebetween and abutting against a top of the corresponding one of the two engaging tabs.