Tool-Free Lawn Mower String Trimmer Attachment
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Solution Overview
Problem
Existing string trimmer attachment technologies require tools or mower modifications for easy attachment to lawn mowers, making them inconvenient and time-consuming for users.
Innovation Solution
A string trimmer attachment apparatus with an adjustable mounting platform and pair of clamping means, such as adjustable hooking pressure clamps or quick release/locking pressure clamps, that securely attach to the mower deck without tools, allowing for easy and quick attachment and detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional string trimmer attachment devices are used, then the trimmer can be attached to the lawn mower, but tools or mower modifications are required making the attachment process complicated and time-consuming
Solution Approach 1:
The attachment device is divided into separate components: a platform that attaches to the mower deck and a string trimmer that attaches to the platform. This segmentation allows each component to be independently designed and attached without requiring complex integrated systems or modifications to the mower itself.
Solution Approach 2:
The platform is designed with universal attachment features that can accommodate different string trimmer models and work with various lawn mower types (push mowers and riding mowers). The clamping mechanism provides a standardized interface that simplifies attachment across different device configurations.
2Reliability
If existing attachment methods are used, then the trimmer can be secured to the mower, but the attachment process requires tools and modifications to the mower deck
Solution Approach 1:
The clamping mechanism is designed to be self-adjusting and self-securing. The spring-loaded or adjustable clamps automatically grip the mower deck when the platform is positioned, eliminating the need for external tools or complex installation procedures while maintaining secure attachment.
Solution Approach 2:
The clamping force and attachment parameters are designed to be easily adjustable by the user without tools. The mechanism allows for parameter changes (clamping pressure, position adjustment) that ensure reliable attachment while keeping the installation process simple and tool-free.
3Productivity
If a separate string trimmer is used, then grass trimming can be performed, but the trimmer requires tool-based attachment and complicated assembly procedures
Solution Approach 1:
The platform is pre-configured with attachment features and clamping mechanisms that are ready for immediate use. The string trimmer can be quickly attached to the pre-prepared platform without requiring on-site assembly or tool-based installation, significantly reducing attachment time and improving productivity.
4Strength
If traditional attachment brackets are used, then the trimmer can be mounted to the mower, but the bracket design requires bolts and screw-type adjustment means
Solution Approach 1:
The traditional bolt-and-screw mechanical fastening system is replaced with a clamping mechanism that uses friction and mechanical pressure to secure the platform to the mower deck. This substitution maintains strong mounting connections while eliminating the need for threads, bolts, and complex adjustment means.
Data Source
AI summary
A string trimmer attachment apparatus and method for easy attachment to a lawn mower deck, without requiring the use of tools for attachment, by having an adjustable trimmer mounting platform which securely attaches to the lawn mower. A string-type powered trimmer motor on the bottom side of the adjustable trimmer mounting platform cuts the grass. An operating control located on the lawn mower controls the string-type powered trimmer motor. A pair of L brackets allow the adjustable trimmer mounting platform to firmly attach to the lawn mower without the need for a separate trimmer/edger appliance. No tools or lawn mower modifications are required to attach the adjustable trimmer mounting platform to the mower deck.