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USPTO: us-12648517 · published 2026-06-09 · patents · A01D 34/78· A01D 34/64· B60L 1/003· B60L 50/60· B60L 53/16· A01D 2101/00

Riding lawn mower

Pith reviewed 2026-06-09 23:32 UTC · model grok-4.3

classification patents A01D 34/78A01D 34/64B60L 1/003B60L 50/60B60L 53/16A01D 2101/00
keywords stand-on lawn mowerenergy storage deviceidentification terminalpower managementdetachable batterycharging circuitdual battery system
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The pith

A stand-on lawn mower uses identification terminals to detect and manage two different types of energy storage devices.

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

The paper presents a design for a stand-on lawn mower that incorporates two energy storage devices to power its driving and cutting motors. These devices are connected through a circuit that allows power transfer and mutual charging. Identification terminals on the mower engage with the devices to determine their types and select suitable power management strategies. The first energy storage device is detachable and can power other tools when removed. This setup aims to provide flexible power options for the mower while maintaining compatibility with various battery units.

Core claim

The stand-on lawn mower identifies a type of the first energy storage device and the second energy storage device through the second identification terminal and the first identification terminal and selects appropriate power management. The first energy storage device is detachably mounted to the frame and enabled to supply power to another power tool when detached from the stand-on lawn mower.

What carries the argument

The first identification terminal engageable with the second energy storage device and the second identification terminal engageable with the first energy storage device, which identify the types of the energy storage devices to select power management.

If this is right

  • Power can be transferred from either energy storage device to the motors as needed.
  • The charging circuit enables one energy storage device to charge the other.
  • The first energy storage device remains usable in separate power tools after detachment.
  • The mower supports operation with mixed battery types through automatic type recognition.

Where Pith is reading between the lines

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

  • Users could maintain continuous operation by routing power from the secondary device while one charges.
  • The identification approach might support a family of tools that share the same battery interface.
  • Real-world testing would be needed to confirm safe operation across varying charge states and temperatures.
  • The design implies potential for reduced battery inventory if devices are standardized for multiple machines.

Load-bearing premise

The identification terminals can reliably distinguish battery types and the circuit can safely transfer and charge power between the two energy storage devices without damage or safety failure.

What would settle it

Connecting incompatible battery types to the mower and checking whether the identification terminals correctly classify them or if the power transfer causes a failure or unsafe condition.

read the original abstract

1 . A stand-on lawn mower, comprising: a frame; a supporting portion for carrying a user; a rolling assembly comprising at least one rolling wheel supporting the frame; a first motor configured to drive the at least one rolling wheel to rotate; a cutting assembly comprising at least one cutting piece for cutting grass; a second motor configured to drive the cutting assembly; a first energy storage device configured to supply power to at least one of the first motor or the second motor, the first energy storage device comprising at least one first energy storage unit, the first energy storage device detachably mounted to the frame and enabled to supply power to another power tool when detached from the stand-on lawn mower, a second energy storage device configured to supply power to at least one of the first motor or the second motor, the second energy storage device comprising at least one second energy storage unit; a circuit electrically connectable with the first energy storage device and the second energy storage device to transfer power from at least one of the first energy storage device or the second energy storage device to at least one of the first motor or the second motor; a charging circuit electrically connectable with the first energy storage device and the second energy storage device to charge at least one of the first energy storage device or the second energy storage device; and a first identification terminal engageable with the second energy storage device and a second identification terminal engageable with the first energy storage device; wherein the stand-on lawn mower identifies a type of the first energy storage device and the second energy storage device through the second identification terminal and the first identification terminal and select

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

1 major / 1 minor

Summary. The manuscript is a patent application for a stand-on lawn mower comprising a frame, user-supporting portion, rolling assembly with drive motor, cutting assembly with second motor, two detachable energy storage devices, power transfer circuit, charging circuit, and identification terminals that detect battery types via the first and second identification terminals to enable appropriate power management.

Significance. The design concept of dual-battery compatibility with type identification and power sharing could, if realized, offer practical advantages in mower flexibility and runtime. No empirical data, safety validation, or implementation details are supplied, so the contribution remains at the level of an untested functional specification.

major comments (1)
  1. [Abstract (claim 1)] Abstract (claim 1): the assertion that the mower 'identifies a type of the first energy storage device and the second energy storage device through the second identification terminal and the first identification terminal and select [appropriate power management]' supplies no mechanism, protocol, or circuit description for type detection or selection logic; this functional claim is load-bearing for the stated novelty yet unsupported.
minor comments (1)
  1. [Abstract] The abstract sentence is truncated at 'and select'.

Simulated Author's Rebuttal

1 responses · 0 unresolved

We thank the referee for reviewing our patent application. We address the single major comment below.

read point-by-point responses
  1. Referee: [Abstract (claim 1)] Abstract (claim 1): the assertion that the mower 'identifies a type of the first energy storage device and the second energy storage device through the second identification terminal and the first identification terminal and select [appropriate power management]' supplies no mechanism, protocol, or circuit description for type detection or selection logic; this functional claim is load-bearing for the stated novelty yet unsupported.

    Authors: Patent claims define the metes and bounds of the invention at a functional level. The claim recites the first and second identification terminals as the structural elements that engage the respective energy storage devices and thereby enable type identification and power-management selection. This is standard claim drafting practice; the terminals constitute the recited means for performing the identification function. The novelty resides in the overall combination of the stand-on mower architecture with cross-compatible, detachable batteries and the identification terminals. Detailed circuit schematics, protocols, or logic diagrams are not required within the claim language itself and would appear, if needed, in the enabling description of the full specification. revision: no

Circularity Check

0 steps flagged

No significant circularity identified

full rationale

This is a patent application for a stand-on lawn mower design. It consists solely of a functional description of hardware components (frame, motors, energy storage devices, identification terminals, and circuits) with no equations, derivations, predictions, fitted parameters, or self-citations present. The central claims are abstract functional specifications without any load-bearing scientific or mathematical steps that could reduce to inputs by construction.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

No free parameters, axioms, or invented entities because the document is a device patent with no theoretical or empirical claims.

pith-pipeline@v0.9.1-grok · 5876 in / 906 out tokens · 56600 ms · 2026-06-09T23:32:06.984915+00:00 · methodology

discussion (0)

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