Retractable Screen Barrier for Aligned Pallet Rack Access Blocking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional retractable gates used in retail and warehouse environments are bulky, costly, and obstructive, with issues of visibility reduction, potential damage from protrusion, and misalignment due to the design, which affects their usability and installation in pallet rack systems.
Innovation Solution
A portable and retractable barrier system comprising a flexible screen retractable about a rotatable rod with a winding mechanism, including an attachment mechanism for bridged attachment over intervening objects, allowing proper alignment and easy installation and removal, and featuring a standoff portion for secure coupling to pallet rack posts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If conventional accordion gates are used to block wider entryways in retail and warehouse environments, then the gate can span extended distances, but the gate becomes bulky, obstructive, and reduces visibility
Solution Approach 1:
The patent applies this principle by using a flexible banner or sign material as the gate structure instead of rigid accordion panels. The flexible material can span extended distances while remaining thin and transparent, allowing visibility through the gate and eliminating the bulkiness of conventional accordion gates.
Solution Approach 2:
The patent inverts the conventional gate approach by using a tensioned flexible membrane rather than rigid folding panels. Instead of building outward bulk to achieve span, the solution uses inward tension and flexibility to achieve the same span with minimal visual obstruction.
2Reliability
If conventional accordion gates are installed in pallet rack systems, then the gate can block entryways, but the gate may protrude and cause damage from protrusion
Solution Approach 1:
The flexible banner gate conforms to the space between rack elements without rigid protrusion. The material can bend and adapt to the installation environment, eliminating the risk of damage from rigid protruding components while maintaining the access blocking function.
Solution Approach 2:
The patent applies this principle by using compressible buffer stops at the ends of the gate that can absorb impact forces before they cause damage. The buffer stops protrude slightly but are made of soft, compressible material that cushions any contact with surrounding structures.
3Adaptability or versatility
If conventional gates are installed in pallet rack systems with occupied apertures, then the gate must be installed at different heights, but this results in misalignment
Solution Approach 1:
The patent applies this principle by making the gate height and position adjustable through a tensioning mechanism. The gate can be dynamically repositioned vertically and horizontally to achieve proper alignment even when apertures are occupied, rather than being fixed at predetermined positions.
Solution Approach 2:
The patent segments the gate into adjustable sections with independent positioning capabilities. This allows the gate to be configured to match various aperture positions and heights, maintaining alignment flexibility regardless of which apertures are occupied by rack components.
4Reliability
If conventional safety gates use compression and buffer stops to prevent displacement, then the gate is secured against fixed extremes, but the gate requires complex safety latches and disengagement mechanisms
Solution Approach 1:
The patent extracts the complex latch and disengagement mechanisms from the gate system. Instead of using mechanical safety latches, the invention relies on the inherent friction and tension of the flexible material held by simple retaining members at the rack ends, eliminating the need for complex disengagement mechanisms.
Solution Approach 2:
The flexible banner gate is self-tensing and self-aligning through its material properties. The gate automatically maintains its position through the tension applied at the ends and the friction against the rack surfaces, without requiring active engagement or disengagement mechanisms.
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 effectively blocks access without obstructing visibility or causing damage, is aesthetically pleasing, and can be aligned properly even when receiving post apertures are occupied, reducing installation and maintenance complexities.
Implementation Method 1
a winding mechanism, preferably, but not necessarily comprises a spring mechanism coupled at one end to a fixed shaft and coupled at an opposing end to the rotatable rod. The winding mechanism functions to apply rotational tension against the rod for retractably receiving and extending the flexible screen
Data Source
AI summary
A retractable barrier system and method for inhibiting access to designated private and public areas both indoors and outdoor, including retail and warehouse aisles and the like, includes a flexible screen retractable and extensible from a rotatable rod coupled to a mounting member, the mounting member having an attachment mechanism for coupling with a receiving member such as storage rack assembly support post or bracket or the like.