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USPTO: us-12628790 · published 2026-05-19 · patents · A01K 1/01· A01D 7/00

Stall jac

Pith reviewed 2026-05-21 19:32 UTC · model grok-4.3

classification patents A01K 1/01A01D 7/00
keywords stall raketine groupsscraping assemblybarn toolmanure forkbedding cleaner
0
0 comments X

The pith

A stall rake splits its tines into two groups so one set carries a scraping blade down to the lower edge.

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

The patent describes a stall rake whose head has an upper support and many parallel tines. One group of tines ends at the working edge; a second group ends higher and connects to a scraping assembly that fills the remaining distance to that same edge. The design therefore lets the tool both rake and scrape without requiring the user to flip or change implements. If the arrangement works as claimed, a single pass can clear both loose material and packed residue from stall floors.

Core claim

The central claim is a head assembly in which a first set of tines reaches the lower edge while a second set stops short and anchors a scraping member that continues to the same lower edge, all attached to a single upper support that mounts on a handle.

What carries the argument

Two-group tine arrangement with attached scraping assembly that extends the shorter tines to the lower edge.

If this is right

  • One tool can both loosen and level bedding in a single stroke.
  • Fewer tool changes reduce time spent on daily stall maintenance.
  • The scraping assembly may wear independently and be replaced without discarding the entire rake head.

Where Pith is reading between the lines

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

  • The same grouped-tine layout could be adapted to other flat-surface cleaning tools such as snow pushers or garden rakes.
  • If the scraping member is made from a different material than the tines, overall durability might increase without raising cost much.

Load-bearing premise

Attaching a scraping piece only to the shorter tines creates a useful mechanical improvement that is not obvious from earlier stall rakes.

What would settle it

A side-by-side test showing that an ordinary rake with uniform tines plus a separate flat scraper performs the same stall-cleaning tasks in the same time and with the same effort.

read the original abstract

1 . A stall rake, comprising: a head assembly attachable to an end of a handle, the head assembly comprising an upper support separated from a lower edge by an assembly length; the upper support having a length oriented transverse to the handle; a plurality of tines engaged with the upper support, each spaced apart from one-another along the length of the upper support, each of the plurality of tines having an elongated body portion extending away from the upper support along a tine length and terminating at a distal end, wherein the distal end of a first group of the plurality of tines define the lower edge of the head assembly; wherein the distal end of a second group of tines are attached to a scraping assembly extending between the distal end of the second group of tines and the lower edge of the head assembly.

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 is a U.S. patent application whose central claim (claim 1) describes a stall rake whose head assembly includes an upper support, a plurality of spaced tines, a first group of tines whose distal ends define the lower edge of the head, and a second group of tines whose distal ends are attached to a scraping assembly that extends downward to the same lower edge.

Significance. If the claimed tine grouping and scraping-assembly attachment prove non-obvious and functionally advantageous, the design could constitute a modest, practical improvement in stall-maintenance tools. The submission supplies no performance data, drawings, or comparative evidence, so any assessment of significance remains speculative.

minor comments (2)
  1. The single claim is presented without reference to any accompanying figures; inclusion of labeled drawings would clarify the spatial relationship between the two tine groups and the scraping assembly.
  2. The abstract and claim language are nearly identical; a short technical-field or background paragraph would help situate the claimed geometry relative to existing stall rakes.

Simulated Author's Rebuttal

1 responses · 0 unresolved

We thank the referee for reviewing our U.S. patent application. The submission is a structural claim for a stall rake; we respond to the significance observation below and note that patent applications are evaluated on novelty, non-obviousness, and enablement rather than empirical performance data.

read point-by-point responses
  1. Referee: The submission supplies no performance data, drawings, or comparative evidence, so any assessment of significance remains speculative.

    Authors: Patent applications are not required to include performance data or comparative testing; enablement is satisfied by the structural description in the claims and specification. Formal drawings are part of a complete U.S. patent filing and would be supplied to the USPTO upon examination. The claimed arrangement of two tine groups and the attached scraping assembly is presented as a non-obvious mechanical improvement for stall maintenance. revision: no

Circularity Check

0 steps flagged

No significant circularity

full rationale

The document is a U.S. patent whose sole content is a structural claim describing the physical arrangement of tines, upper support, lower edge, and scraping assembly on a stall-rake head. No equations, fitted parameters, predictions, derivations, or self-citations appear anywhere in the text; the claim is therefore self-contained by definition and cannot reduce to its own inputs.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

No free parameters, axioms, or invented physical entities are invoked; the document is a utility-patent claim for a hand tool.

pith-pipeline@v0.9.0 · 5674 in / 875 out tokens · 43542 ms · 2026-05-21T19:32:06.664159+00:00 · methodology

discussion (0)

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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 reality_from_one_distinction unclear
    ?
    unclear

    Relation between the paper passage and the cited Recognition theorem.

    A stall rake, comprising: a head assembly attachable to an end of a handle, the head assembly comprising an upper support separated from a lower edge by an assembly length; the upper support having a length oriented transverse to the handle; a plurality of tines engaged with the upper support, each spaced apart from one-another along the length of the upper support, each of the plurality of tines having an elongated body portion extending away from the upper support along a tine length and terminating at a distal end, wherein the distal end of a first group of the plurality of tines define the

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.