Dual Profile Doorstop Device for Bidirectional Adjustment
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Solution Overview
Problem
Conventional doorstops require access and adjustment from the side of the door they prop open, limiting their usability since users cannot easily access or adjust them from the opposite side.
Innovation Solution
A dual profile doorstop device with a wedge or graduated profile and a handle profile, connected by a thin connector that can be inserted under the door from either side, allowing for adjustment and positioning from either side of the door.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional doorstop is used, then the door can be held in position, but the device can only be accessed and adjusted from one side of the door
Solution Approach 1:
The doorstop device is divided into two distinct functional profiles: a wedge profile for inserting under the door and a block profile with handle for opposing side access. This segmentation allows each end of the device to serve a specific access side, resolving the contradiction by enabling functionality from both sides of the door.
Solution Approach 2:
The doorstop device is designed with dual functionality to operate from either side of the door. The first profile handles insertion from one side while the second profile with handle enables control from the opposite side, making the device universal and adaptable to whichever side the user approaches from.
2Reliability
If a wedge profile is used to hold the door open, then the door position is secured, but the device cannot be accessed from the opposite side
Solution Approach 1:
The device separates the door-holding function (wedge profile) from the adjustment control function (block profile with handle). The wedge remains inserted under the door to maintain position reliability, while the block profile extends to the opposite side allowing users to adjust the door position without compromising the holding mechanism.
3Ease of operation
If a block profile with handle is used, then adjustment is enabled, but the device cannot be inserted under the door from either side effectively
Solution Approach 1:
The connector portion is designed as a distinct segment that links the block profile to the wedge profile. This segmentation allows the wedge to perform the insertion function under the door while the block profile with handle provides adjustment capability from the opposite side, with the connector serving as the transitional element between these functions.
Data Source
AI summary
A dual profile doorstop device that holds a door open or keeps a door closed, or partially open or partially closed, as desired. The device is a unitary component containing two different profiles for restraining the movement of a door; a graduated profile at one end and a stop block or handle profile at the other end, with a relatively thin connector portion extending between the two profiles