Invertible Blender Jar Mounting for Compact, Cord-Secured Storage
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Solution Overview
Problem
Blenders with asymmetrical jar interiors for improved performance do not securely fit over symmetrical bases, making compact storage difficult, and existing invertible designs struggle with cord management and handling.
Innovation Solution
A blender design featuring a motor housing with a tapered shape and mounting members that securely mate with an asymmetrical jar, allowing the motor housing to be partially contained within the jar during storage, with the electric cord wound around an interface rib for compact storage and secure handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the jar is inverted over the base for compact storage, then storage space is reduced, but the jar becomes freely rotatable and the cord is not easily confined
Solution Approach 1:
The patent introduces asymmetrical features including a non-circular clutch opening in the base and a corresponding asymmetrical interface rib on the jar. This asymmetry prevents the jar from rotating freely when inverted over the base, providing stable orientation during storage while maintaining compact form. The asymmetrical mounting members also ensure proper alignment during assembly.
Solution Approach 2:
The patent employs an interface rib as an intermediary element between the jar and base. This rib extends from the blending end of the jar and interfaces with the clutch opening in the base, serving multiple functions: preventing rotation, providing mounting registration, and acting as a spool for winding and confining the electric cord during storage.
2Productivity
If the jar is made asymmetrical for improved blending performance, then blending efficiency increases, but the jar does not securely fit over a symmetrical base
Solution Approach 1:
The patent applies asymmetry to both the jar and base components. The jar maintains its asymmetrical interior for optimized blending performance, while the base incorporates an asymmetrical clutch opening. The corresponding asymmetrical mounting members on both components ensure they securely mate together, resolving the incompatibility between asymmetrical jar design and symmetrical base structure.
Solution Approach 2:
The patent applies different geometric properties to different parts of the components. The jar interior maintains asymmetry for blending performance, while the jar exterior features asymmetrical mounting members for secure attachment. Similarly, the base has an asymmetrical clutch opening for secure mating but maintains overall structural integrity. This localized application of asymmetry resolves the fit issue without compromising blending performance.
3Volume of moving object
If the base and jar are stored separately to reduce storage height, then storage compactness improves, but the jar or lid may be lost and dust accumulates in the clutch opening
Solution Approach 1:
The patent implements a nested storage configuration where the jar is inverted over the base, with the motor housing partially contained within the jar. This nesting arrangement keeps all components together in a compact vertical profile, eliminating the risk of losing separate components while maintaining space efficiency. The clutch opening is covered by the jar structure, preventing dust accumulation.
Solution Approach 2:
The patent combines the storage functions of multiple components into a single integrated configuration. The jar serves both as a functional blending container and as a protective cover for the base during storage. The lid can be placed on the blending end of the jar, creating a unified storage assembly that protects internal components from dust while maintaining compactness.
Data Source
AI summary
The blender includes a motor housing that has an outer surface surrounding an electric motor. The motor housing has a first end and a second end. The outer surface has a first mounting member. The motor housing includes a control electrically connected to the motor. A jar has an open end and a blending end and an interior surface. The jar includes a blade assembly proximate to the blending end. The jar is removably mountable to the first end of the motor housing in a operable position. The interior surface of the jar has a second mounting member. The second mounting member is in releasable registry with the first mounting member when the open end of the jar is placed over the first end of the motor housing in a storage position such that the motor housing is at least partially contained within the jar.