Offset Door Stop With Retainment Zone
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Solution Overview
Problem
Conventional door stops do not effectively retain a door in the open position while preventing further rotation beyond a defined position, which can lead to door slamming and potential damage.
Innovation Solution
A door stop design featuring a base section offset from the door, with a forward and intermediate section forming a retainment zone that restricts further rotation and maintains the door in the open position, utilizing a release tab to deflect the base section and allow door movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional door stop is used to restrict door rotation, then door slamming is prevented, but the door cannot be retained in the open position
Solution Approach 1:
The door stop is divided into multiple functional sections: a base section for mounting, a forward section for initial contact and shock absorption, and an intermediate section with a retainment zone for holding the door open. This segmentation allows each section to perform its specific function, resolving the contradiction between protecting the door and enabling open position retention.
Solution Approach 2:
The retainment zone is created by extending the intermediate section from the base section at a position spaced apart from the forward section, forming a three-dimensional structure that defines a retention space. This dimensional approach allows the door to be held in the open position while still preventing uncontrolled slamming.
2Adaptability or versatility
If the door stop structure is made complex to retain the door in open position, then door position control is improved, but device complexity increases
Solution Approach 1:
The base section, forward section, and intermediate section are merged into a single integrated door stop structure. This consolidation achieves multiple functions (shock absorption, door retention, and positioning) in one component, avoiding the need for multiple separate parts while still providing complex functionality.
Solution Approach 2:
The door stop structure performs multiple functions: the forward section absorbs shock during door closure, the intermediate section creates a retainment zone for holding the door open, and the base section provides mounting stability. This multi-functionality reduces the need for additional components, maintaining simplicity while achieving versatile door control.
3Adaptability or versatility
If the door stop is positioned closer to the door for better retention, then door position control is improved, but the door stop may be within reach of children
Solution Approach 1:
The door stop is positioned asymmetrically relative to the door, with the base section mounted on the wall or baseboard at a location that optimizes retention while the forward and intermediate sections extend toward the door at different distances. This asymmetric configuration allows effective door retention while maintaining a safe distance from the door edge that children could easily reach.
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 door stop effectively prevents door slamming by retaining the door in the open position and restricting further rotation, while being adjustable and safe from reach of children, with the ability to absorb shock and minimize marking on the door.
Implementation Method 1
pressing the door against the forward section causing deflection of a base section of the door stop
Data Source
AI summary
A door stop is provided herein that includes a base section positioned at least partially offset from a door, a forward section extending from the base section, an intermediate section extending from the base section, and a rear section. A retainment zone is defined between the base section, the forward section, and the intermediate section.