Blender container with latch release
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Solution Overview
Problem
Conventional helical threads used to attach blade assemblies to containers in blenders and food processors are costly to manufacture, prone to mold wear, and inconvenient to attach and detach, posing safety hazards due to the need for multiple revolutions and potential for accidental detachment during operation.
Innovation Solution
A threadless latch mechanism with a blade assembly and container design featuring a tongue protrusion and slot system, a spring-mounted latch with notches for progressive locking, and a safety mechanism to prevent accidental detachment, providing secure attachment and audible feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional helical threads are used to attach blade assembly to container, then secure attachment is achieved, but manufacturing cost increases and mold wear occurs
Solution Approach 1:
The patent removes the threading feature from both the container and blade assembly, extracting the problematic helical thread structure that causes manufacturing difficulties and mold wear. Instead, a simple rim and recess interface is used for attachment.
Solution Approach 2:
The attachment mechanism is segmented into distinct components: a rim on the container, a recess in the blade assembly, and a separate latch mechanism. This segmentation allows each component to be manufactured independently using simpler molding processes without requiring complex thread features.
2Reliability
If conventional helical threads are used to attach blade assembly to container, then attachment security is achieved, but attachment and detachment becomes inconvenient
Solution Approach 1:
The latch mechanism is designed to be dynamically controllable by the user through squeezing action, allowing quick engagement and disengagement. The latch moves between locked and unlocked positions based on user input, providing convenient operation without requiring multiple rotational movements.
Solution Approach 2:
The latch acts as an intermediary element between the rim and recess, providing secure attachment when engaged and allowing easy separation when disengaged. This intermediary mechanism simplifies the attachment process from requiring multiple revolutions to a single squeezing motion.
3Ease of operation
If conventional helical threads are used to attach blade assembly to container, then attachment is achieved, but safety hazard increases due to potential accidental detachment
Solution Approach 1:
The safety mechanism prevents detachment by requiring a specific squeezing action on the latch to release the locked position. This preliminary anti-action counteracts any forces that might cause accidental detachment during blender operation, ensuring the blade assembly remains securely attached to the container.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables quick, secure, and convenient attachment and detachment of the blade assembly, prevents leaks, and ensures safety by providing a progressively tighter seal and audible feedback, while preventing accidental detachment during operation.
Implementation Method 1
the latch is spring-mounted such that when the button is pushed, it pivots to an open position. The latch will return to the closed position when the button is no longer manually depressed by the user.
Data Source
AI summary
A system for attaching a blender container to a blade assembly, which comprises a first mechanism to secure a blender container to a blade assembly. Some embodiments of the system include a second latch mechanism to lock the blender container to the blade assembly while the container and blade assembly are mounted to a base for operation of the blender.