Convertible Door Handle With Removable Posts for Wood and Metal Doors
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Solution Overview
Problem
Existing door handles are not universally compatible with both metal and wood doors, requiring different installation methods for secure attachment.
Innovation Solution
A door handle design that allows for securement to metal doors using removable threaded posts and to wood doors through compressive force, enabling conversion between the two types of doors without the need for separate handles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If door handles are designed with fixed posts for metal doors, then secure attachment to metal doors is achieved, but compatibility with wood doors is lost
Solution Approach 1:
The door handle is divided into separate components: a handle body and removable posts. The posts can be detached from the handle body, allowing the user to configure the handle for different door types. This segmentation enables the same handle body to work with both metal doors (using posts) and wood doors (without posts).
Solution Approach 2:
The posts are designed to be dynamically removable and reattachable rather than permanently fixed. This dynamic configuration allows the handle to adapt its structure based on the door type being installed on, providing versatility while maintaining secure attachment for each specific application.
2Reliability
If separate door handles are manufactured for metal and wood doors, then optimal attachment method is used for each door type, but device complexity and inventory requirements increase
Solution Approach 1:
A single handle design serves multiple functions by accommodating both metal and wood doors. The universal handle body can be configured with posts for metal doors or used without posts for wood doors, eliminating the need to manufacture and maintain separate handle designs for different door types.
Solution Approach 2:
The posts are designed as detachable components that can be removed when not needed (for wood door installation) and reattached when needed (for metal door installation). This allows the same handle to be reused across different door types without permanent modification or disposal.
Data Source
AI summary
A door that can be converted for use with wood or metal doors is disclosed. Removeable threaded posts are used with door handles for securement to a metal door. The posts are removed from the door handle for securement to a wood door. The handles can be converted for use with a metal door or a wood door by using the handles with the posts or without the posts, respectively.