Working Vehicle Side-Mounted Equipment Layout for Stable Attachment

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Solution Overview

Problem

Existing working vehicles face stability issues due to elevated center of gravity caused by tanks for substances to be spread, and limitations in attaching working devices to upper portions of the vehicle body.

Innovation Solution

The design allows for working devices to be attached to opposite sides of the vehicle body, with equipment such as tanks or batteries positioned at opposite ends, and includes a support frame and lifting mechanism to raise and lower the vehicle body for attachment and detachment of working devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If tanks are located at the upper rear portion of the vehicle body, then the working device can perform spreading work, but the height of the vehicle is increased and the center of gravity is elevated, reducing vehicle stability

Engineering Contradiction:
Improveworking device functionalityVSAvoidvehicle stability
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The patent transitions from vertical stacking (upper rear portion) to horizontal arrangement (opposite sides of the vehicle body), changing the spatial dimension in which equipment is positioned. This lateral distribution maintains working functionality while keeping the center of gravity within a stable vertical envelope.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The patent employs asymmetric positioning of tanks and batteries on opposite sides of the vehicle body rather than symmetric vertical stacking. This asymmetric lateral arrangement optimizes both stability and functional accessibility for the working device.

Inventive Principle:
Principle #4Asymmetry

2Adaptability or versatility

If a mount is provided at the rear portion of the vehicle body for attaching working devices, then working devices can be attached, but working devices cannot be attached to the upper portion of the vehicle body

Engineering Contradiction:
Improveattachment location flexibilityVSAvoidattachment mechanism
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent creates a universal attachment system where the same support frame structure enables attachment at multiple locations (front, rear, and upper portions) of the vehicle body. This multi-functional attachment mechanism eliminates the need for separate mounting systems for different locations.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent introduces a dynamic lifting mechanism that can raise and lower the vehicle body, enabling the attachment system to adapt to different working device positions. This dynamic adjustment capability allows flexible attachment at various locations without increasing structural complexity.

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If the vehicle body is raised using a lifting mechanism, then working devices can be attached to the upper portion, but the complexity of the attachment system increases

Engineering Contradiction:
Improveattachment location flexibilityVSAvoidlifting and attachment system
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges the lifting mechanism with the attachment system into an integrated unit. The support frame serves dual purposes: it provides structural support and enables attachment, while the lifting mechanism works in conjunction with this frame rather than as a separate complex system. This consolidation reduces overall system complexity.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS20260107863A1Working vehicle and method of attaching working device thereto
Publication Date: 2026.04.23 KUBOTA CORP
  • US20260107863A1 patent drawing
  • US20260107863A1 patent drawing
  • US20260107863A1 patent drawing

AI summary

A working vehicle includes a vehicle body, a traveling device to support the vehicle body such that the vehicle body is allowed to travel, a working device to perform work. The working device includes pieces of equipment located at opposite sides of the vehicle body from each other.