Adjustable Shelving with Latch-Based Height Positioning Mechanism
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Solution Overview
Problem
Conventional wire-frame shelving systems face difficulties in adjusting the height of shelves, requiring tools like a mallet and being cumbersome for precise positioning and adjustments.
Innovation Solution
A shelving system with a height adjustment mechanism featuring a bracket and latch element that engages with apertures on support posts, allowing easy adjustment and secure positioning of shelves at various heights using a ratchet-like mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional wire-frame shelves with hollow cylinder elements and sleeves are used, then the structure is simple and easy to manufacture, but the ease of operation for height adjustment deteriorates (requiring mallets and being cumbersome)
Solution Approach 1:
The support post is divided into multiple segments with apertures at different heights, allowing the shelf to be adjusted to various positions by engaging the bracket with different apertures. This segmentation enables discrete height adjustments without requiring complex continuous adjustment mechanisms.
Solution Approach 2:
A bracket with a latch element serves as an intermediary mechanism between the shelf and the support post. The latch element engages with apertures in the support post to secure the shelf at desired heights, eliminating the need for mallets or impact devices while maintaining structural simplicity.
2Measurement precision
If conventional friction lock mechanisms with sleeves are used, then the device complexity is low, but the measurement precision for positioning shelves at specific heights deteriorates (difficult to position at specific heights)
Solution Approach 1:
The support post is divided into multiple segments with apertures at different heights, allowing the shelf to be adjusted to various positions by engaging the bracket with different apertures. This segmentation enables discrete height adjustments without requiring complex continuous adjustment mechanisms.
Solution Approach 2:
The system changes the positioning parameter from continuous friction-based positioning to discrete aperture-based positioning. The apertures are positioned at specific height intervals, enabling precise placement at predetermined heights without requiring complex adjustment mechanisms.
3Productivity
If conventional wire-frame shelves require mallets for adjustment, then the manufacturing cost is low, but the productivity for adjusting shelves deteriorates (time-consuming and difficult to adjust)
Solution Approach 1:
A bracket with a latch element serves as an intermediary mechanism between the shelf and the support post. The latch element engages with apertures in the support post to secure the shelf at desired heights, eliminating the need for mallets or impact devices while maintaining structural simplicity.
Solution Approach 2:
The latch element is designed to be manually operable, allowing users to adjust shelf heights without requiring external tools or assistance. The mechanism enables self-contained adjustment functionality that improves productivity while maintaining ease of operation.
Data Source
AI summary
A shelving system has a plurality of support posts and one or more shelf assemblies, each shelf assembly having a height adjustment mechanism. A height adjustment mechanism can include a bracket attached to a shelf portion, wherein the bracket includes a channel for receiving a support post, and a latch element pivotably attached to the bracket. The latch element pivots between a first position in which the latch element engages an aperture in the support post to support the shelf assembly on the support post, and a second position in which the latch element is out of the aperture to allow the shelf assembly to move along the support post. The latch element can include a hook with a notch positionable to receive an edge of the aperture, and a side face positionable to rest or press against the support post.