Rotatable Vehicle Door Handle Mounting Bracket
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Solution Overview
Problem
Existing door handle assemblies require multiple mounting brackets for different door thicknesses, complicating installation and increasing costs, and often necessitate the use of two people to install due to the need for a third hand to hold screws in place.
Innovation Solution
A door handle assembly with a mounting bracket that can be positioned in multiple orientations to accommodate various door thicknesses, using tapered pins for temporary hands-free installation and a single mounting bracket that can be rotated to fit different door thicknesses, allowing for one-person installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple mounting brackets are used for different door thicknesses, then the handle assembly can accommodate various door manufacturers, but the cost increases and installation becomes more complex
Solution Approach 1:
The mounting bracket is designed with a single structure that can accommodate multiple door thicknesses through rotation to different orientations. The bracket includes a body with a first orientation for thin doors and a second orientation for thick doors, allowing one bracket to perform multiple functions that previously required separate brackets for each door thickness.
Solution Approach 2:
The mounting bracket is made rotatable about an axis to change orientations dynamically. This rotation capability allows the installer to position the bracket in the appropriate orientation (first or second) depending on the door thickness, transforming a static multi-bracket system into a dynamic single-bracket system.
2Adaptability or versatility
If multiple mounting brackets are used for different door thicknesses, then the handle assembly can fit various doors, but installation requires two people and additional tools
Solution Approach 1:
The single mounting bracket with multiple orientations eliminates the need for installers to choose between different brackets, simplifying the installation process. The bracket's ability to accommodate various door thicknesses through rotation reduces the complexity of the installation procedure.
Solution Approach 2:
The rotatable mounting bracket allows for easy adjustment between orientations during installation. This dynamic feature enables a single installer to adapt the bracket to different door thicknesses without requiring assistance from a second person or additional clamping devices.
3Device complexity
If a single mounting bracket is used for all door thicknesses, then costs are reduced and installation is simplified, but the bracket must be adaptable to various orientations
Solution Approach 1:
The mounting bracket incorporates multiple functional orientations within a single structure. The bracket body includes a first orientation for thin doors and a second orientation for thick doors, allowing one manufactured part to replace multiple specialized brackets.
Solution Approach 2:
The mounting bracket is divided into functional segments or features that enable different orientations. The bracket includes a body with specific geometric features that allow rotation and positioning in multiple orientations, effectively segmenting the functional requirements into a unified structure.
4Quantity of substance
If a single mounting bracket is used for all door thicknesses, then manufacturing costs are reduced, but the bracket requires rotational capability
Solution Approach 1:
Manufacturing a single universal mounting bracket reduces the quantity of different bracket types that must be produced and inventoried. The bracket's design incorporates multiple orientations within one manufacturable structure, eliminating the need to manufacture and stock multiple specialized brackets.
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 solution simplifies the installation process, reduces costs by eliminating the need for multiple brackets, and allows for quick and easy installation on various doors, while ensuring the assembly is durable, secure, and safe.
Implementation Method 1
tapered pins that press fit onto the mounting bracket providing a temporary hands-free positioning of the assembly into the door
Data Source
AI summary
A handle and latch assembly is provided for a vehicle door and includes a housing, a latch on the housing and a handle on the housing. A mounting bracket secures the housing to the door using screws with the door being sandwiched between the housing and the mounting bracket. The mounting bracket can be positioned in multiple orientations to accommodate doors having different thicknesses. The housing includes tapered pins that that press fit onto the mounting bracket to provide a temporary hands-free positioning of the assembly into the door until the mounting screws are installed.