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USPTO: us-12667046 · published 2026-06-30 · patents · A01D 34/74· A01D 34/54

Mower and outdoor work tool

Pith reviewed 2026-07-01 03:01 UTC · model grok-4.3

classification patents A01D 34/74A01D 34/54
keywords mowerheight adjustment devicewheel axlegear plateoperating componentthrough holesarc-shapedpositioning part
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0 comments X

The pith

A mower adjusts its wheel height by placing the axle in one of several through holes and locking it with an arc-shaped gear plate and positioning component.

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

The paper presents a mower design that includes a main body, traveling wheels, handle, and blade along with two height adjustment devices. The first device connects a height adjustment fixing base with multiple through holes to the main body, allowing the wheel axle to be placed in different positions. The second device features a wheel axle side plate linked to the connecting shaft, an arc-shaped gear plate with grooves at varying heights, and an operating component that moves a positioning part to engage those grooves. This combination enables users to change the mower's cutting height by selecting appropriate holes and securing the position via the gear system. Such a mechanism matters to users seeking straightforward adjustments for different lawn conditions without additional tools.

Core claim

The mower comprises a main body, a traveling wheel assembly with a wheel axle, a handle assembly, a blade, a first height adjustment device with a height adjustment fixing base provided with a plurality of first through holes, and a second height adjustment device comprising a wheel axle side plate fixedly connected at the bottom to one end of a connecting shaft, with the other end detachably connected to a rear wheel, a gear plate arranged on one side with a plurality of gear grooves with different heights, and an operating component on the other side capable of matching the gear grooves. The wheel axle is placeable in one of the first through holes and non-rotatably housed there. The opera

What carries the argument

The second height adjustment device, which uses an arc-shaped gear plate with multiple gear grooves and an operating component with a positioning part that engages or disengages the grooves to lock the wheel axle position after placement in a through hole.

If this is right

  • The wheel height can be adjusted to multiple levels by combining different through hole positions with corresponding gear groove engagements.
  • The operating component allows the positioning part to be moved on the wheel axle side plate for quick height changes.
  • The non-rotatable housing of the wheel axle in the through holes prevents unwanted movement during operation.
  • The arc-shaped gear plate accommodates the geometry of wheel height variations along an arc path.

Where Pith is reading between the lines

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

  • This separation of axle placement and locking might allow for more precise or stable adjustments than single-mechanism systems.
  • The design could extend to other outdoor tools requiring variable height settings for their wheels or blades.
  • Users might benefit from reduced maintenance if the mechanism proves durable under repeated adjustments.

Load-bearing premise

The configuration of the through holes, arc-shaped gear plate, and operating component will allow smooth engagement and disengagement of the positioning part without binding or mechanical failure during normal use.

What would settle it

Attempting to adjust the height across all available positions and observing whether the positioning part consistently enters and exits the gear grooves without jamming or the axle slipping from the selected through hole.

read the original abstract

1 . A mower, comprising: a main body, a traveling wheel assembly, carrying the main body and being capable of driving the main body to move on ground, the traveling wheel assembly comprising a wheel axle, a handle assembly, connected with the main body, a blade, a first height adjustment device, comprising: a height adjustment fixing base, connected with the main body, the height adjustment fixing base being provided with a plurality of first through holes, and a second height adjustment device, comprising: a wheel axle side plate, a bottom of the wheel axle side plate being fixedly connected with one end of a connecting shaft of the mower, and the other end of the connecting shaft being detachably connected with a rear wheel of the mower, a gear plate, arranged on one side of the wheel axle side plate and provided with a plurality of gear grooves with different heights, and an operating component, arranged on the other side of the wheel axle side plate, and being capable of being operated to match the plurality of the gear grooves with different heights, wherein the wheel axle connected with the mower is placeable in one of the plurality of the first through holes, and the wheel axle is non-rotatably housed in the one of the plurality of the first through holes; the operating component comprises a positioning part passing through the wheel axle side plate and matched with the gear plate, and the operating component is operable to move on the wheel axle side plate to enable the positioning part to be located in or out of one of the plurality of the gear grooves; the gear plate is arc-shaped, each of the plurality of the gear grooves is arranged on an inner wall of the gear plate along an arc-shaped direction of the gear plate, and an opening of each of the plurality of

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.

Referee Report

0 major / 2 minor

Summary. The manuscript describes a mower comprising a main body, traveling wheel assembly with wheel axle, handle assembly, blade, and two height adjustment devices. The first device includes a height adjustment fixing base connected to the main body with multiple first through holes in which the wheel axle can be non-rotatably placed. The second device includes a wheel axle side plate fixed to a connecting shaft for the rear wheel, an arc-shaped gear plate on one side with multiple gear grooves of different heights arranged along its inner wall, and an operating component on the other side with a positioning part that passes through the side plate and can be moved to engage or disengage the grooves.

Significance. If the described geometry is mechanically realizable, the dual adjustment system combines discrete fixed positioning via through holes with a gear-based mechanism for variable height settings, potentially enabling stable mower height changes without rotation of the axle. As a patent application the document provides only a structural description with no performance data, error analysis, or functional validation, limiting assessment of practical utility or novelty relative to existing mower designs.

minor comments (2)
  1. The provided abstract text is truncated mid-sentence at the description of the gear plate openings; the full claim language should be supplied for complete review.
  2. No figures, diagrams, or exploded views are referenced or included, which would aid in understanding the spatial arrangement of the wheel axle side plate, arc-shaped gear plate, and operating component.

Simulated Author's Rebuttal

1 responses · 0 unresolved

We thank the referee for their review and positive recommendation to accept the manuscript. We address the observations raised in the report below.

read point-by-point responses
  1. Referee: If the described geometry is mechanically realizable, the dual adjustment system combines discrete fixed positioning via through holes with a gear-based mechanism for variable height settings, potentially enabling stable mower height changes without rotation of the axle. As a patent application the document provides only a structural description with no performance data, error analysis, or functional validation, limiting assessment of practical utility or novelty relative to existing mower designs.

    Authors: The geometry is mechanically realizable based on the detailed structural description in the patent, including the height adjustment fixing base with multiple first through holes for non-rotatable wheel axle placement and the wheel axle side plate with an arc-shaped gear plate having gear grooves of different heights engaged by the positioning part of the operating component. As this is a patent application, the focus is on disclosing the novel structural combination rather than empirical performance data, error analysis, or functional validation, which is the standard format and requirement for such documents. Novelty is evaluated on the basis of the described features relative to prior art. revision: no

Circularity Check

0 steps flagged

No significant circularity

full rationale

This is a U.S. patent application consisting solely of structural claims describing mechanical components (height-adjustment base with through-holes, arc-shaped gear plate, wheel-axle side plate, and positioning operating component). No equations, derivations, fitted parameters, predictions, or self-citations exist. The document asserts no quantitative results or first-principles derivations that could reduce to inputs by construction; it is a descriptive enablement of geometry only.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

No mathematical model, fitted constants, or postulated entities are present; the document is a mechanical parts list and connection description.

pith-pipeline@v0.9.1-grok · 5858 in / 1063 out tokens · 52133 ms · 2026-07-01T03:01:16.974523+00:00 · methodology

discussion (0)

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