Adjustable Door Drying Rack for Stable Horizontal Painting
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Solution Overview
Problem
Existing door refinishing systems fail to provide stable, non-damaging support for doors of different sizes during prepping, painting, and drying, often risking damage from slipping or splitting, and do not allow for efficient stacking and separation to prevent dust and paint marring.
Innovation Solution
A painter's rack system with vertically positioned supporting structures and adjustable horizontal bars that can be bent at an angle to accommodate various door sizes, using rubber pads and optional A-roofed pads to minimize contact and prevent slipping, allowing for horizontal support and easy adjustment for different tasks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If doors are held in a vertical position during refinishing, then it is easier to stack multiple doors for drying, but sprayed paint may reach surrounding objects and debris from the floor may foul the wet paint, creating unsightly tracks
Solution Approach 1:
The rack system transitions doors from vertical to horizontal positioning by providing a horizontal support surface. The horizontal bars and support structure create a new dimensional plane for door placement, allowing doors to be worked on horizontally while stacked for drying, thus eliminating paint runs and floor contamination issues associated with vertical positioning.
Solution Approach 2:
The rack system acts as an intermediary between the door and the work environment. By introducing the horizontal support structure with adjustable bars, the system mediates the conflict between stacking efficiency and paint protection, allowing doors to be stacked while maintaining a controlled environment that prevents contamination.
2Area of stationary object
If doors of different sizes are stacked together, then storage space is optimized, but existing rack systems cannot accommodate varying door dimensions
Solution Approach 1:
The rack system incorporates dynamic, adjustable components including movable horizontal bars and reconfigurable support structures. These elements can be adjusted in position and configuration to accommodate doors of varying sizes, allowing the same rack to adapt to different door dimensions while maintaining stable support and efficient stacking.
Solution Approach 2:
The rack system is designed as a universal platform that can handle multiple door sizes and types. Through its adjustable bars, modular construction, and reconfigurable support mechanisms, the single rack structure serves multiple functions across different door dimensions, eliminating the need for separate racks for different door sizes.
3Stability of the object's composition
If supporting anchors are inserted on the side of thin doors to support them during prepping, then door stability is improved, but the anchors might split the wood
Solution Approach 1:
The system extracts the support function from invasive anchors and relocates it to the horizontal bars that contact the door surface. By removing the need for side-insertion anchors, the design eliminates the harmful effect of wood splitting while maintaining door stability through distributed surface contact along the horizontal bars.
Solution Approach 2:
The support mechanism uses localized rubber pads at specific contact points on the horizontal bars to provide friction-based stability without penetration. This local quality approach concentrates support force at controlled surface contact areas rather than distributing it through invasive anchors, preventing wood splitting while maintaining stability during prepping operations.
4Stability of the object's composition
If brackets are used to support doors during painting, then door support is provided, but the brackets may adversely shield some of the door surface from spray paint
Solution Approach 1:
The system uses thin, flexible rubber pads on horizontal bars instead of bulky brackets. These thin film elements provide necessary support contact while being sufficiently slender and flexible to minimize interference with spray paint coverage, allowing paint to reach the door surface uniformly without being blocked by thick support structures.
Data Source
AI summary
A painter rack for supporting one door in a horizontal position during prepping or painting, or at least one door also in a horizontal position during drying. This painter rack comprises two support structures: a left one and a right one; each support structure comprises two vertical members traversed horizontally by a number of openings; each support structure also comprises a number of bars used to support at least one door, each bar is comprised of at least two segments, the first said segment traversing slidably and horizontally an opening, and the second segment is bent with respect the first segment. Each support structure is held in place by a base structure.