Slide-Out Shelf Latching for Closer Gravity-Fed Merchandising
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Solution Overview
Problem
Current shelving systems for displaying fragile dairy products in refrigerated cases lack optimal retainers at the front end, require excessive vertical spacing for restocking, and do not allow for secondary shelves, limiting product selection and space efficiency.
Innovation Solution
A modular gravity-fed shelving system with a sliding shelf latching mechanism that includes resiliently biased latch members connected by a cable, allowing the shelf to move between vending and stocking positions, and an adjustable mounting structure to accommodate various stanchion designs, along with a secondary shelf for increased product display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional display shelving is used, then the shelf can be pulled out for restocking, but excessive vertical spacing is required to prevent contact with the shelf above
Solution Approach 1:
The shelving system is divided into modular components including a pull-out shelf assembly, support stanchions, and adjustable mounting structures. This segmentation allows the shelf to be independently manipulated during restocking while maintaining fixed support structures, enabling closer vertical spacing without compromising restocking operations.
Solution Approach 2:
The shelf incorporates a dynamic tilt mechanism that allows it to be tilted forward during restocking operations. This dynamic adjustment enables the shelf to clear the shelf above during extraction while returning to a compact position during normal use, reducing the required vertical spacing between shelves.
2Reliability
If a latching system is added to retain the slide-out shelf in the use position, then the shelf can be securely held, but the device complexity increases
Solution Approach 1:
The latching system employs spring-loaded latch members that automatically engage with the brackets when the shelf is in the use position. The resilient biasing provides automatic locking without requiring additional actuators or complex control mechanisms, achieving reliable retention while minimizing structural complexity.
Solution Approach 2:
The latching mechanism replaces complex mechanical locking systems with simple resiliently biased latch members that use elastic deformation for both locking and unlocking functions. This substitution eliminates the need for motors, sensors, or complex linkages while maintaining reliable shelf retention.
3Adaptability or versatility
If the shelving system is designed for universal compatibility with different stanchion designs, then adaptability increases, but the mounting structure complexity increases
Solution Approach 1:
The mounting structure incorporates adjustable mounting plates with multiple hole patterns and attachment mechanisms that can accommodate various stanchion designs from different manufacturers. This universal interface allows the same shelf assembly to be mounted on different support structures without custom modifications, achieving multi-functionality.
Solution Approach 2:
The mounting structure allows adjustment of mounting parameters such as vertical position, horizontal position, and attachment angle to accommodate different stanchion configurations. By making these parameters variable rather than fixed, the system achieves compatibility with multiple stanchion designs while using a standardized mounting platform.
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
The system enhances product selection without replacing the shelving, allows closer shelving without clearance issues, and maintains the slide-out shelf in the use position, accommodating different stanchion designs for universal compatibility.
Implementation Method 1
A first latch member is mounted in the first latch housing, wherein the first latch member is resiliently biased into an extended position. A second latch member is mounted in the second latch housing, wherein the second latch member is resiliently biased into an extended position.
Data Source
AI summary
A latching system for a gravity fed merchandising apparatus includes a shelf slidably mounted between a first and a second side bracket, the shelf being adapted to move between a vending position and a stocking position. A first latch member is operably mounted to one of the shelf and the first side bracket and a second latch member is operably mounted to one of the shelf and the second side bracket. The first and second latch members are located adjacent opposed side edges of the shelf. Each of the first and second latch members is resiliently biased to an extended position. An actuating device is provided for moving the first and second latch members to a respective retracted position allowing the shelf to slide from the vending position to the stocking position.