Hydraulic top link

Allan James Yeomans, Surfers Paradise (AU)

USPTO: us-12667035 · published 2026-06-30 · patents · A01B 63/008· A01B 73/00· A01B 63/22

Hydraulic top link

Allan James Yeomans, Surfers Paradise (AU) This is my paper

Pith reviewed 2026-06-30 21:30 UTC · model grok-4.3

classification patents A01B 63/008A01B 73/00A01B 63/22

keywords ploughhydraulic top linktranslational slidinguse configurationtransport configurationploughing angleagricultural deviceactuator

0 comments

The pith

An elongated support and actuator let a plough slide translationally to switch between use and transport configurations and to adjust its angle.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The patent describes a device with an elongated support that connects to a plough for sliding and an actuator that connects to drive that sliding. Actuating the device moves the plough along the support to shift it from a working position to a transport position. The same sliding action also changes the plough's angle while it remains in the working position. This setup proposes handling both major reconfiguration and angle tuning through one connected mechanism.

Core claim

The device comprises an elongated support for substantially translational sliding connection with the plough and an actuator for actuating connection with the plough. When the elongated support and the actuator are connected with the plough, actuation of the actuator can substantially translationally slide the plough relative to the elongated support to configure the plough between the use configuration and the transport configuration, and when the plough is in the use configuration, actuation of the actuator can substantially translationally slide the plough relative to the elongated support to adjust a ploughing angle of the plough.

What carries the argument

Elongated support for translational sliding connection combined with a connected actuator for driving the slide.

If this is right

A single actuator handles both full reconfiguration between modes and fine angle changes during use.
The plough moves between configurations through actuation without separate repositioning steps.
Angle adjustment occurs by the same sliding motion that handles transport changes.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

The mechanism could reduce the number of manual interventions needed when moving a plough between fields and work.
It may allow angle corrections to be made without stopping forward motion if the slide remains free.
The approach might extend to other towed implements that require repeated positional shifts.

Load-bearing premise

The plough can slide translationally on the support in both configurations without binding, debris interference, or extra locking parts.

What would settle it

A test in which actuating the device while the plough is attached fails to produce smooth translational movement due to binding or soil buildup.

read the original abstract

1 . A device for configuring a plough between a use configuration and a transport configuration, the device comprising: an elongated support; and an actuator connected with the elongated support, wherein the elongated support is for substantially translational sliding connection with the plough, and the actuator is for actuating connection with the plough, and wherein when the elongated support and the actuator are connected with the plough: (i) actuation of the actuator can substantially translationally slide the plough relative to the elongated support to configure the plough between the use configuration and the transport configuration, and (ii) when the plough is in the use configuration, actuation of the actuator can substantially translationally slide the plough relative to the elongated support to adjust a ploughing angle of the plough.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Desk Editor's Note private letter to a colleague

This is a US patent claim for a hydraulic top link where one actuator slides the plough for both mode switching and angle adjustment, but it's a bare functional description with no evidence or prior art.

read the letter

Dear Colleague,

This patent application describes a hydraulic top link for ploughs. The central claim is that an elongated support and connected actuator allow the plough to slide translationally, so the same actuator both switches the plough between use and transport configurations and adjusts its angle when in the working position.

The new part is the dual role assigned to the actuator through that sliding connection. The description states the intended outcomes directly and the mechanism as outlined has no internal contradictions in how the parts are supposed to interact.

It does a reasonable job of specifying the connections needed to achieve those two functions with one actuator. The language stays focused on the practical sliding and actuation without adding extra steps.

The soft spots are straightforward. There is no data, no testing, no diagrams, and no discussion of real-world issues like binding, soil interference, or whether locking is needed. The claim assumes the sliding works freely in both modes, but nothing in the text supports that this holds up. As a patent filing there is also no comparison to existing hydraulic top links or similar systems, so the actual advance over routine linear actuation is hard to judge.

This is not a research paper with findings or analysis. It is a legal claim for an agricultural device. The reader's note that it falls outside the usual preprint scope is accurate because there are no empirical results or derivations here.

A reader who might get something from it would be an engineer working on farm machinery who is looking for ideas on simplifying linkages. It could suggest a configuration to consider, but the lack of detail limits how far that goes.

I would not bring this to a reading group. I would not cite it. It does not deserve peer review in an academic context because it contains no scientific or empirical content for referees to evaluate.

Recommendation: treat it as a patent filing if the topic matters to you, otherwise skip it.

Referee Report

1 major / 0 minor

Summary. The manuscript is a US patent application describing a device for configuring a plough between use and transport configurations. It comprises an elongated support for translational sliding connection with the plough and an actuator for actuating connection, such that actuation enables sliding to switch configurations and, in the use configuration, to adjust the ploughing angle.

Significance. If the described sliding and actuation mechanism functions without binding or interference, it could offer a practical hydraulic solution for plough adjustment in agricultural machinery. However, the complete absence of design specifications, diagrams, force analysis, or any form of validation means no assessment of novelty, enablement, or field impact is possible from the provided text.

major comments (1)

[Abstract] Abstract: the central claim that 'actuation of the actuator can substantially translationally slide the plough relative to the elongated support' to achieve both configuration changes and angle adjustment is presented as a functional description with no supporting engineering details, load calculations, clearance specifications, or test data; this directly undermines evaluation of whether the mechanism can operate as stated under real conditions (e.g., soil loading or debris).

Simulated Author's Rebuttal

1 responses · 0 unresolved

We thank the referee for reviewing the patent application. The manuscript consists solely of the independent claim text, which by design uses functional language to define the invention. We address the single major comment below.

read point-by-point responses

Referee: [Abstract] Abstract: the central claim that 'actuation of the actuator can substantially translationally slide the plough relative to the elongated support' to achieve both configuration changes and angle adjustment is presented as a functional description with no supporting engineering details, load calculations, clearance specifications, or test data; this directly undermines evaluation of whether the mechanism can operate as stated under real conditions (e.g., soil loading or debris).

Authors: The manuscript is the text of a US patent claim. Patent claims are intentionally written in functional terms to establish the legal scope of the invention without incorporating engineering calculations, test data, or clearance specifications, which belong in the accompanying specification and drawings of a complete application. The claim accurately captures the intended translational sliding and angle adjustment functions enabled by the actuator and support. No revision to the claim language is warranted, as the functional description meets the requirements for patent enablement and does not purport to provide the detailed validation expected in a scientific paper. revision: no

Circularity Check

0 steps flagged

No significant circularity

full rationale

The document is a US patent application whose sole content is a functional claim describing a mechanical device (elongated support + actuator enabling translational sliding of a plough). No equations, derivations, fitted parameters, predictions, or self-citations exist. The central claim is a descriptive assertion about device capability and does not rest on any load-bearing reasoning chain that could reduce to its own inputs by construction. This places the document outside the scope of the circularity patterns.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

No mathematical model, free parameters, axioms, or invented physical entities are present. The document is a mechanical invention description without any quantitative framework or postulates beyond standard engineering assumptions.

pith-pipeline@v0.9.1-grok · 5658 in / 1123 out tokens · 24974 ms · 2026-06-30T21:30:39.285195+00:00 · methodology

discussion (0)

Lean theorems connected to this paper

Citations machine-checked in the Pith Canon. Every link opens the source theorem in the public Lean library.

IndisputableMonolith/Foundation/RealityFromDistinction.lean reality_from_one_distinction unclear

?

unclear
Relation between the paper passage and the cited Recognition theorem.

A device for configuring a plough between a use configuration and a transport configuration, the device comprising: an elongated support; and an actuator connected with the elongated support...

What do these tags mean?

matches: The paper's claim is directly supported by a theorem in the formal canon.
supports: The theorem supports part of the paper's argument, but the paper may add assumptions or extra steps.
extends: The paper goes beyond the formal theorem; the theorem is a base layer rather than the whole result.
uses: The paper appears to rely on the theorem as machinery.
contradicts: The paper's claim conflicts with a theorem or certificate in the canon.
unclear: Pith found a possible connection, but the passage is too broad, indirect, or ambiguous to say the theorem truly supports the claim.