Modular Retail Pusher with Rollers to Reduce Replenishment Friction
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Solution Overview
Problem
Existing retail product display units with pusher mechanisms are difficult to assemble and reconfigure, particularly when handling different sizes of product packages, due to frictional engagement issues when moving the pusher, which complicates the reloading process.
Innovation Solution
The design incorporates laterally extensible lane dividers, adjustable pusher rails made from materials like extruded aluminum, and a pusher mechanism with rollers to reduce friction, allowing for easier assembly and reconfiguration to accommodate various product sizes, along with attachment devices that secure the display unit to a shelf or wall, facilitating easier product reloading.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the pusher is designed to maintain constant contact with product packages, then product packages are kept in forward position for easy removal, but the pusher becomes difficult to move during replenishing due to frictional engagement
Solution Approach 1:
A roller element is introduced as an intermediary between the pusher and the product lane bottom surface. This roller reduces frictional engagement during pusher movement while maintaining effective contact with product packages during normal operation, thereby resolving the contradiction between reliable positioning and ease of operation.
Solution Approach 2:
The pusher design changes the friction parameter by incorporating a roller that transforms sliding friction into rolling friction. This parameter change allows the pusher to move easily during replenishing while still maintaining sufficient contact force to keep product packages in the forward position.
2Ease of manufacture
If the display unit is assembled to lane level prior to shipment, then assembly is simplified at destination, but the display unit occupies more space during shipping
Solution Approach 1:
The display unit is divided into separable components (pusher assembly, lane dividers, end caps) that can be disassembled for compact shipping and quickly reassembled at destination. This segmentation allows the unit to occupy less space during transport while maintaining ease of assembly when needed.
Solution Approach 2:
The display unit incorporates adjustable and reconfigurable elements such as adjustable lane dividers and repositionable pushers that can be adapted during assembly at destination. This dynamic design flexibility reduces the need for pre-assembly of all components, optimizing both shipping space and assembly ease.
3Device complexity
If the display unit is designed for a single product package size, then the structure can be simplified, but the display unit cannot accommodate different product sizes
Solution Approach 1:
The display unit incorporates adjustable lane dividers and reconfigurable pusher assemblies that can be adjusted to accommodate different product package sizes. These universal components maintain relatively simple construction while providing versatility for different product configurations, resolving the contradiction between structural simplicity and adaptability.
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
This solution enables efficient assembly and reconfiguration of product display units, reduces friction during reloading, and allows for compact and economical shipping, making it easier to handle different product sizes and improve user interaction with the display.
Implementation Method 1
A pusher is coupled by a biasing device such as a flat coil spring so as to urge the pusher toward the barrier
Implementation Method 2
force applied to the pusher tends to cause the pusher to frictionally engage the bottom of the product lane
Data Source
AI summary
A retail product display unit in one aspect includes a pusher disposed on a pusher rail. The pusher has features to constrain movement of the pusher along a length of the pusher rail. The pusher rail extends from a forward end of the display unit to a rear end of the display unit. The at least one pusher rail comprises a channel in an upper surface thereof for receiving a pusher spring therein as the at least one pusher is moved from the forward end toward the rear end of the display unit. In another aspect, the pusher has at least one roller mounted to a pusher housing opposite the pusher face such that torque generated by application of rearward force applied to the pusher face is transferred to the at least one roller and then to the pusher rail.