Rigid Log Splitter Axe Assembly for Uniform Stepwise Splitting

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing log splitters face issues with synchronized movement of supporting plates and splitting tools, leading to unreliable operation, complex construction, high maintenance costs, and uneven log splitting with significant waste.

Innovation Solution

The splitting system integrates the carrier trough and splitting means as a unified, rigid assembly, moving together along the X-axis, eliminating the need for synchronized movement, and utilizing hydraulic cylinders for forward and backward motion to ensure consistent log splitting.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If separate supporting plates and splitting tools are used with independent movement mechanisms, then flexibility in log positioning and splitting is improved, but device complexity and maintenance requirements increase

Engineering Contradiction:
Improveflexibility in log positioning and splittingVSAvoidcomplexity of movement mechanisms
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines the supporting plate and splitting tool into a single integrated assembly that moves as one unit. The supporting plate is rigidly connected to the splitting tool, eliminating independent movement mechanisms and reducing overall device complexity while maintaining functional flexibility.

Inventive Principle:
Principle #5Merging (Combining)

2Manufacturing precision

If synchronized movement of supporting plate and splitting tool is implemented, then log splitting uniformity is improved, but reliability decreases due to operational failures

Engineering Contradiction:
Improveuniformity of log splittingVSAvoidoperational reliability
Core Design Contradiction:
Manufacturing precisionVSReliability

Solution Approach 1:

By integrating the supporting plate and splitting tool into a single rigid assembly, the patent eliminates the need for synchronized movement control. The unified structure ensures consistent relative positioning during operation, achieving uniform log splitting without the reliability issues associated with complex synchronization mechanisms.

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If multiple separate components are used for log splitting, then adaptability to different log types is improved, but manufacturing cost and maintenance requirements increase

Engineering Contradiction:
Improveadaptability to different log typesVSAvoidmanufacturing cost and maintenance
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The patent consolidates multiple separate components (supporting plate, splitting tool, and their movement mechanisms) into a single integrated assembly. This reduces the number of parts to manufacture and maintain, lowering overall manufacturing costs while preserving the ability to handle different log types through the unified structure's design.

Inventive Principle:
Principle #5Merging (Combining)

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

This design achieves reliable, efficient, and cost-effective stepwise log splitting with minimal waste, producing uniformly sized logs suitable for furnaces and fireplaces.

Implementation Method 1

a mounting for drive means arranged to move the splitting means, preferably a hydraulic cylinder

Methodology Applied
Scientific EffectHydraulic pressure: Hydraulic Press

Data Source

PatentEP3928940B1A splitting system for a log splitter for stepwise splitting of logs and a process for stepwise log splitting
Publication Date: 2025.11.26 PISEK - VITLI KRPAN D O O
  • EP3928940B1 patent drawingFigure 1
  • EP3928940B1 patent drawingFigure 2
  • EP3928940B1 patent drawingFigure 3

AI summary

The present invention belongs to the field of log splitters, more precisely to the field of constructional details at the junction with an axe. The invention relates to an improved system including the axe for a horizontal log splitter for stepwise splitting of logs and a log splitter with the said system. The splitting system is designed as a uniform rigid assembly, which comprises: - splitting means, which comprises: ∘ a primary blade, ∘ at least one secondary blade attached to the primary blade, wherein the number and the arrangement of secondary blades is arbitrary, ∘ a mounting for drive means arranged to move the splitting means, preferably a hydraulic cylinder, - a carrier through, which is attached, preferably welded, to the primary blade, - preferably an additional stabilization element such as a supporting plate, a cylinder transporter or a vibrational plate below the primary blade, and - a pair of side sliding parts, preferably a pair of longitudinal ribs for receiving a pair of longitudinal guides for simultaneous movement of the splitting means, the carrier through and the optional stabilization element initiated by the drive means.