Angled Hinge Cap with Recessed Screws for Misuse Prevention
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Door hinges are misused for hanging objects or self-abuse, leading to potential injury or escape in secure facilities, as they lack deterrents to prevent such misuse.
Innovation Solution
A five-sided block with a steeply angled front side is mounted over the top surface of continuous geared door hinges, using security screws to cover and deter misuse, constructed from durable materials like plastic, metal, or fiberglass, with rounded edges to prevent sharp edges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the top surface of the hinge is left exposed, then the hinge can be used for its intended purpose, but it can be misused for hanging objects or self-abuse leading to injury or escape
Solution Approach 1:
A cap is introduced as an intermediary component between the hinge barrel and the user. The cap covers the exposed top surface of the hinge, preventing direct contact and misuse while still allowing the hinge to function. The cap acts as a mediator that blocks harmful interactions (hanging objects, self-abuse) while maintaining the hinge's primary function of facilitating door movement.
2Object-affected harmful factors
If a cover is added to the hinge to prevent misuse, then safety is improved, but the device complexity increases
Solution Approach 1:
The hinge system is divided into separate components: the hinge barrel (functional component) and the cap (protective component). This segmentation allows the cap to be added independently to address safety concerns without modifying the hinge barrel itself. The cap can be easily installed and removed, and different cap designs can be used for different safety requirements.
3Reliability
If the cap is made from durable material to prevent tampering, then reliability is improved, but the ease of manufacture decreases
Solution Approach 1:
The cap can be manufactured from various materials (metal, plastic, fiberglass) depending on the required level of tamper resistance. By changing the material parameter, the cap's durability and resistance to tampering are improved. Softer materials like plastic are easier to manufacture and install, while harder materials like metal provide greater tamper resistance but require more complex fabrication processes.
Data Source
AI summary
A product and a method employing a block having a downwardly angled front surface suitable for covering the top surface of a continuous geared door hinge after the door is installed in a frame. The block has one or more recessed counter bored holes in the front surface to accommodate security screws without compromising the angle of the front surface.