Vacuum Wand Lock and Release for Easier Above-Floor Cleaning
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Solution Overview
Problem
Existing surface cleaning apparatuses lack a convenient and ergonomic design for removing and reinserting the above-floor cleaning wand, making the process cumbersome and uncomfortable for users.
Innovation Solution
A surface cleaning apparatus with a wand release actuator and wand lock mechanism that allows the wand to be removably mounted to the upper portion, featuring a flexible air flow conduit and a locking system that simplifies wand removal and reinstallation, providing better ergonomics and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the wand is fixed to the upper portion with a complex locking mechanism, then the wand is securely held during cleaning operations, but the removal and reinstallation process becomes cumbersome and uncomfortable for users
Solution Approach 1:
The locking mechanism is divided into separate functional components: a locking member on the wand, a corresponding lock engagement feature on the upper portion, and a release actuator. This segmentation allows the mechanism to be simple yet effective, with each component having a specific function that contributes to easy operation.
Solution Approach 2:
The locking mechanism is designed to be self-latching, where the locking member automatically engages with the lock engagement feature when the wand is inserted. The system serves itself by maintaining the locked state without continuous user intervention, while allowing easy release when needed.
2Ease of operation
If the upper portion has a large vertical extent to accommodate the locking mechanism, then the locking system can be robust, but the user has a higher target for aligning and installing the wand, reducing visibility and comfort
Solution Approach 1:
The locking mechanism is designed to engage in a horizontal or lateral dimension rather than requiring significant vertical space. The locking member and engagement feature are positioned to interact sideways, allowing the upper portion to maintain a compact vertical profile while still providing a robust locking system.
Solution Approach 2:
The locking member acts as an intermediary element that bridges the wand and the upper portion without requiring the upper portion itself to extend vertically. This intermediary component enables the locking function while keeping the upper portion's vertical extent minimal.
3Reliability
If the wand lock mechanism includes a locking member that extends through the upper portion, then the wand is securely locked, but the mechanism becomes more complex and harder to manufacture
Solution Approach 1:
The locking mechanism is segmented into discrete components that can be manufactured separately and assembled. The locking member is a distinct element that can be produced using standard manufacturing processes, and the lock engagement feature is integrated into the upper portion as a separate feature, simplifying the overall manufacturing complexity.
Solution Approach 2:
The locking member is extracted as a separate, removable component rather than being an integral part of the upper portion. This allows the locking mechanism to be manufactured more easily by producing the locking member independently and assembling it with the upper portion, reducing manufacturing complexity while maintaining reliability.
Data Source
AI summary
A surface cleaning apparatus is disclosed having an upper portion mounted to a surface cleaning head, a portable surface cleaning unit mounted to the upper portion, an above floor cleaning wand removably receivable in the upper portion, and a wand lock having a locked position in which the wand is secured to the upper portion and an unlocked position in which the wand is removable from the upper portion. The upper portion may stabilize the wand when the wand is drivingly connected to the cleaning head. An electrified flexible air flow conduit may electrically connect the surface cleaning head to the cleaning unit.