Tractor Front Loader with Telescopic Boom and Convergent Lift Arms

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Solution Overview

Problem

Smaller agricultural farms face limitations in equipment due to limited funds, as dedicated telehandlers are costly and often underutilized, while traditional tractor front loaders have limited reach and obstruct the driver's view with lift rams.

Innovation Solution

A detachable front loader for tractors with a telescopic boom and pivotally mounted lift arms that converge in front of the engine compartment, allowing increased reach without the need for a dedicated telehandler, and featuring hydraulic lift rams positioned outside the driver's view for improved visibility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Length of moving object

If a dedicated telehandler is purchased to achieve greater loader reach, then productivity and reach are improved, but equipment cost and complexity increase significantly

Engineering Contradiction:
Improveloader reachVSAvoidequipment complexity
Core Design Contradiction:
Length of moving objectVSDevice complexity

Solution Approach 1:

The patent combines the telescopic boom function with the conventional front loader structure, merging two separate functions (loading and telescopic reaching) into a single integrated system. This allows the tractor to achieve telehandler-level reach without requiring a dedicated telehandler vehicle, thereby reducing equipment complexity while maintaining improved reach capability

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The front loader is designed to perform multiple functions: conventional loading operations and extended reach operations via the telescopic boom. This multi-functionality allows a single piece of equipment to replace what would traditionally require separate dedicated vehicles, reducing overall equipment complexity

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

2Length of moving object

If a dedicated telehandler is purchased to achieve greater loader reach, then productivity and reach are improved, but purchase cost increases

Engineering Contradiction:
Improveloader reachVSAvoidpurchase cost
Core Design Contradiction:
Length of moving objectVSEase of manufacture

Solution Approach 1:

The patent merges the telescopic boom capability with the existing front loader structure, allowing the tractor to achieve extended reach without requiring a completely separate dedicated telehandler vehicle. This integration significantly reduces the purchase cost compared to buying a dedicated telehandler while still achieving the desired reach improvement

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The front loader with telescopic boom serves multiple purposes - both conventional loading and extended reach operations - making it a universal attachment that replaces what would traditionally require separate dedicated vehicles, thereby reducing overall purchase cost

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

3Ease of manufacture

If traditional lift arms are used in a front loader, then manufacturing cost is reduced, but driver's view is obstructed by lift rams

Engineering Contradiction:
Improvemanufacturing costVSAvoiddriver's view obstruction
Core Design Contradiction:
Ease of manufactureVSObject-affected harmful factors

Solution Approach 1:

The patent positions the lift rams in a different spatial dimension - specifically, disposing them laterally outward from the lift arms rather than vertically beneath the boom. This dimensional repositioning moves the lift rams outside the driver's forward field of view while maintaining their structural and functional integrity, thus eliminating view obstruction without increasing manufacturing complexity

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

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

Enhances productivity and reach without the expense of a dedicated telehandler, while maintaining an unobstructed driver view and minimizing manufacturing costs by integrating a telescopic boom onto a conventional front loader.

Implementation Method 1

a single, transversely centred telescopic boom which is disposed in front of the engine compartment when lowered

Methodology Applied
Scientific EffectTelescopic mechanism:

Implementation Method 2

a hydraulic lift ram associated with each respective lift arm, wherein each lift ram is connected between the associated lift arm and a point fixed relative to the tractor

Methodology Applied
Scientific EffectHydraulic pressure: Hydraulic Press

Implementation Method 3

each being pivotally mounted relative to the tractor at respective pivot points which are transversely spaced either side of the engine compartment

Methodology Applied
Scientific EffectPivoting motion: Hinge

Data Source

PatentEP2440711B1Agricultural tractor with front loader
Publication Date: 2014.04.30 AGCO SA (FR)
  • EP2440711B1 patent drawingFigure 1
  • EP2440711B1 patent drawingFigure 2
  • EP2440711B1 patent drawingFigure 3

AI summary

A front loader (12) is provided and is suitable for attachment to a tractor (10) which has an engine compartment (16) disposed forwardly of a cab (18) and transversely centred on a longitudinal axis. The front loader (12) is detachable from the tractor (10) and comprises a pair of lift arms (36), when in use, each being pivotally mounted relative to the tractor at respective pivot points (38) which are transversely spaced either side of the engine compartment. The lift arms, when lowered, extend generally forwardly and converge in front of the engine compartment to attach to a single, transversely centred, telescopic boom (40) which is disposed in front of the engine compartment (16). By providing a front loader having a telescopic boom wherein the front loader is simply detachable by a quick release mechanism, the versatility of a tractor can be increased in addition to delivering improved productivity.