Cup Liner for Blender with Nested Blade Assembly Coupling
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Solution Overview
Problem
Existing blenders often face challenges in efficiently blending ingredients due to the design of the container and blade assembly, which can lead to incomplete mixing and difficulty in introducing or removing ingredients.
Innovation Solution
A liner for a blender is introduced, which fits within the blender cup and includes a design that allows for mechanical coupling with the blade assembly, forming a seal to contain ingredients during blending. The liner's perimeter features, such as a lip with a bead structure, enhance the sealing and retention capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a container has an opening on one end for introducing ingredients and removing blended mixture, then ease of operation is improved, but the container cannot be mechanically coupled with a blade assembly for blending operation
Solution Approach 1:
The container is divided into two separate components: the cup body with opening for ingredient introduction, and a separate lid assembly that interfaces with the blade assembly. This segmentation allows the cup to maintain its opening for ease of operation while the lid provides the mechanical coupling capability for blending.
Solution Approach 2:
The lid assembly is designed to nest over the cup opening, creating a integrated structure that combines the ingredient introduction function of the cup with the blade coupling function of the lid. The blade assembly then nests onto the lid assembly, forming a complete blending system.
2Reliability
If an end of container is dedicated for mounting onto base unit, then reliability of blending operation is improved, but ease of introducing and removing ingredients is worsened
Solution Approach 1:
The container system is segmented into the cup (for ingredient access) and lid assembly (for blade mounting). The lid assembly includes the interface for mechanical coupling with the blade assembly, ensuring reliable blending operation while the cup maintains open access for ingredient introduction.
Solution Approach 2:
The lid assembly serves as an intermediary component between the cup and the blade assembly. It provides the mechanical coupling interface for reliable blade attachment while allowing the cup to maintain its ingredient access function, thus mediating between the two conflicting requirements.
3Reliability
If liner includes lip with bead structure for sealing and retention, then sealing capability is improved, but device complexity increases
Solution Approach 1:
The liner is constructed as a flexible thin-walled structure with an integrated lip and bead feature. The flexibility of the thin film material allows the bead to deform and conform to the cup surface, creating an effective seal without requiring complex rigid sealing mechanisms.
Solution Approach 2:
The sealing lip and retention bead features are merged into a single integrated structure formed as part of the liner itself. This combination eliminates the need for separate sealing components, reducing overall device complexity while maintaining sealing capability.
Data Source
AI summary
In some embodiments, a liner for a blender can include a body dimensioned to fit within a cup for the blender. The body can define an inner volume and include an opening with a perimeter configured to engage a perimeter of an opening of the cup, such that when the liner is positioned within the cup, the resulting assembly is capable of being mechanically coupled with a blade assembly to enclose the volume with one or more ingredients therein for blending operation by the blender.


