Mower With Detachable Front Rear Frame for Interchangeable Cutting Decks

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Solution Overview

Problem

Conventional mowers have a fixed wheelbase and cannot easily replace cutting decks of suitable specifications for different working environments, leading to suboptimal performance.

Innovation Solution

A mower design with a detachable frame structure, allowing for interchangeable front and rear frames and cutting decks, enabling customization of wheelbase and cutting deck specifications to suit various terrains.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the wheelbase is fixed and the cutting deck is mounted at the bottom of the mower frame, then the structure is simple and stable, but the cutting deck cannot be replaced to meet different working environment requirements

Engineering Contradiction:
Improvecutting deck replaceabilityVSAvoidframe structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The frame is divided into a front frame and a rear frame that can be detachably connected. The front frame includes a front cross beam and a front connecting part, while the rear frame includes a rear cross beam and a rear connecting part. This segmentation allows the cutting deck to be mounted on the front frame and easily replaced by detaching and reattaching the front frame assembly, thereby improving cutting deck replaceability without significantly increasing overall structural complexity.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If the wheelbase is fixed, then the structural stability is maintained, but the cutting deck specification selection is limited and cannot be well matched with different terrains

Engineering Contradiction:
Improvecutting deck specification varietyVSAvoidwheelbase stability
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

By dividing the frame into detachable front and rear frame components, the invention enables the front frame (with mounted cutting deck) to be replaced as a module. This allows selection of different cutting deck specifications while maintaining a stable rear frame and wheelbase configuration, thus achieving both adaptability and structural stability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The detachable connection between front and rear frames introduces dynamic reconfigurability to the otherwise static frame structure. The front frame can be detached and reattached in different configurations or replaced entirely, allowing the system to adapt to different working conditions while the rear frame maintains stable wheelbase geometry.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS20250204311A1mower
Publication Date: 2025.06.26 GLOBE (JIANGSU) CO LTD
  • US20250204311A1 patent drawing
  • US20250204311A1 patent drawing
  • US20250204311A1 patent drawing

AI summary

A mower includes a frame, a cutting deck assembly and a walking mechanism. The cutting deck assembly is mounted on the frame. The walking mechanism is mounted on the frame and includes a front wheel assembly and a rear wheel assembly. The frame includes a front frame and a rear frame. The front frame is detachably connected with the rear frame. The front frame is provided with the front wheel assembly, and the rear frame is provided with the rear wheel assembly. When the cutting deck assembly needs to be replaced to meet use requirements, the front frame and the rear frame of appropriate specifications are first selected to be fixed to ensure that the cutting deck assembly has a suitable mounting size, so that the suitable cutting deck assembly may be replaced in different working environments to meet the use requirements of a variety of environments.