Tool Handle with Exposed Logo Insert Blocks
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Solution Overview
Problem
The complexity of molding handles with different logos for customizing hand tools leads to a complicated process, as each logo typically requires a separate mold, making it difficult to efficiently produce tools with varied branding or indicia.
Innovation Solution
A handle design featuring a core element with cavities for insert blocks that have projections with indicia, allowing for the exposure of branding or logos through an overlay, enabling customization without the need for multiple molds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If different molds are used for each logo to customize hand tools, then the branding customization is achieved, but the molding process becomes complicated and production efficiency decreases
Solution Approach 1:
The handle is divided into two separate components: a core element that is molded once with a generic cavity structure, and separate insert blocks that contain the specific logo or indicia. This segmentation allows the core element to be produced using a single mold, while customization is achieved by varying the insert blocks rather than creating new molds for each logo variant.
Solution Approach 2:
The insert block serves as an intermediary component between the core element and the final customized handle. The insert block is placed within the cavity of the core element, and the overlay is then molded over both components. This intermediary approach allows logo customization without requiring changes to the core element mold or the overlay mold, thereby simplifying the overall molding process.
2Adaptability or versatility
If multiple molds are created for different logos, then custom branding is enabled, but manufacturing cost and time increase
Solution Approach 1:
The core element is designed with a universal cavity structure that can accommodate different insert blocks with various logos. The same core element mold can be used for multiple product variants by simply changing the insert blocks. This universality allows a single mold investment to serve multiple customization needs, significantly improving production efficiency and reducing per-unit manufacturing costs.
Solution Approach 2:
The insert blocks are prepared in advance with the desired logos or indicia before being inserted into the core element cavity. This preliminary preparation allows the main molding process to proceed efficiently without requiring complex real-time customization. The insert blocks can be pre-manufactured using various methods (molding, printing, embossing) and then integrated into the final handle assembly, streamlining the overall production process.
3Shape
If the overlay completely covers the insert block, then the handle has a uniform appearance, but the logo or indicia becomes invisible
Solution Approach 1:
The overlay is designed with different properties in different regions: in most areas it provides uniform coverage and aesthetic appearance, but in specific regions it is configured to expose portions of the insert block's upper surface. This local variation in overlay configuration allows the handle to maintain overall uniformity while preserving logo visibility where needed, achieving both aesthetic appeal and information conveyance.
Solution Approach 2:
The solution moves the logo visibility issue from the two-dimensional surface of the overlay to the three-dimensional space above it. By configuring the overlay to expose the upper surface of the insert block, the logo is visible from above while the overlay maintains its covering function on the sides and bottom. This dimensional approach allows simultaneous achievement of uniform appearance and logo visibility.
Data Source
AI summary
A tool apparatus comprises an operative member and a handle connected to the operative member. The handle comprises a core element having an elongated body, an outer surface and first and second ends opposite to each other. At least the second end is connected to the operative member. The tool handle also comprises at least one cavity extending inwardly from the outer surface of the core element and a plurality of insert blocks selectively receivable in the cavity. The tool handle further comprises an overlay disposed on the core element, wherein a height of the projection on exterior surface of the insert block is no less than a thickness of the overlay, thereby exposing the upper surface to an external environment so as to be visible to a viewer.