Animal feeder

Bobby Allen Freeman, Rock Hill, SC (US); Robert Scott McCormick, Naples, FL (US)

USPTO: us-12628792 · published 2026-05-19 · patents · A01K 5/0225

Animal feeder

Bobby Allen Freeman, Rock Hill, SC (US) , Robert Scott McCormick, Naples, FL (US) This is my paper

Pith reviewed 2026-05-21 20:31 UTC · model grok-4.3

classification patents A01K 5/0225

keywords animal feedersheet metal fabricationT-shaped slotgravity dispensingopposed fingerssloped trayreservoir

0 comments

The pith

Cutting sheet blanks with T-shaped slots produces an animal feeder whose opposed fingers meter granular feed by gravity into sloped dishes.

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

The paper presents a manufacturing sequence that turns flat sheet material into a complete gravity-fed animal feeder. Blanks are cut, flanges are formed, and T-shaped slots are introduced so that pairs of opposed fingers project into each dispensing opening. When the parts are assembled, feed flows from a reservoir through these openings into one or more sloped dishes. The design avoids separate metering hardware because the fingers themselves limit flow and reduce spillage. A sympathetic reader sees a low-cost, single-material route to a functional feeder whose performance rests on the geometry of the slots.

Core claim

The central claim is that a feeder assembled from cut and formed sheet blanks, with dispensing openings created by T-shaped slots that leave opposed fingers in the reservoir wall, reliably delivers granular feed by gravity into sloped tray dishes.

What carries the argument

T-shaped slot that forms a pair of opposed fingers acting as a passive metering gate in the reservoir wall.

If this is right

The entire feeder can be made from a single type of sheet stock, eliminating welded or molded sub-assemblies.
Feed flow rate is set at manufacture by the width and spacing of the opposed fingers rather than by an adjustable gate.
The sloped dishes remain clear of standing feed because excess material is returned or consumed at the same rate it arrives.
Replacement or repair reduces to swapping a single cut-and-formed panel.

Where Pith is reading between the lines

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

The same finger geometry might be adapted to dispense other free-flowing solids such as seed or litter additives.
Because no moving parts are required, the design could be scaled to larger livestock troughs if sheet thickness and finger stiffness are adjusted accordingly.

Load-bearing premise

The opposed fingers created by each T-shaped slot will consistently meter feed without clogging or spilling under ordinary use.

What would settle it

A side-by-side test of two assembled feeders, one with the T-slots and one with plain circular holes of equal area, run for one week with the same kibble; measurable differences in daily spillage or bridging would confirm or refute the metering effect.

read the original abstract

1 . A method of making an animal feeder, comprising: cutting a plurality of blanks from sheet material, forming at least one flange in at least one of the blanks and forming at least one opening in at least one of the blanks, so as to define a plurality of components, the plurality of components configured to define the animal feeder when assembled, wherein the animal feeder includes: a tray assembly defining at least one sloped feed dish; a reservoir communicating with the tray assembly, the reservoir having a fill opening; and dispensing openings formed in a wall of the reservoir configured to permit granular animal feed to flow by gravity from the reservoir into the at least one sloped feed dish, wherein each of the dispensing openings is formed by a T-shaped slot in wall of the reservoir, the T-shaped slot also forming a pair of opposed fingers.

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

A narrow patent on a sheet-metal gravity feeder using T-slots to form opposed fingers for dispensing, with no data or broader claims.

read the letter

This patent simply describes one way to stamp and fold a metal animal feeder so that T-shaped cuts in the reservoir wall create pairs of fingers that meter feed into sloped dishes. The manufacturing sequence—blank cutting, flange forming, and slot punching—is laid out plainly and appears internally consistent. That specific finger geometry is the only concrete novelty on offer; everything else follows standard gravity-dispenser practice. No performance numbers, clogging tests, or side-by-side comparisons are given, so the functional advantage remains an assertion rather than a demonstrated result. Because the document is a U.S. patent filing rather than a research paper, the usual scientific checks (reproducibility, error analysis, literature engagement) do not apply. The text is useful to anyone who needs to understand the exact prior-art geometry for a related design or infringement search. It is not useful for a reading group or for citation in technical work. A serious editor would desk-reject it for peer review; it belongs in the patent literature, not a journal.

Referee Report

1 major / 1 minor

Summary. The manuscript discloses a manufacturing method for an animal feeder: blanks are cut from sheet material, flanges and openings (including T-shaped slots that form opposed fingers) are formed, and the resulting components assemble into a tray assembly with at least one sloped feed dish fed by gravity from a reservoir through the dispensing openings.

Significance. The described geometry and sequence constitute a concrete, low-cost fabrication approach for a gravity-fed feeder. Because the document supplies neither performance measurements nor comparative testing, any assessment of functional reliability (metering, clogging resistance, durability) remains speculative.

major comments (1)

The functional assertion that the T-shaped slots and opposed fingers 'permit granular animal feed to flow by gravity' into the sloped dishes (abstract and claim 1) is unsupported by any flow analysis, prototype testing, or material specification; this directly affects the utility of the disclosed construction.

minor comments (1)

The description of component assembly order and fastening methods is terse; a labeled exploded view or step-by-step diagram would clarify how the formed flanges and fingers interlock.

Simulated Author's Rebuttal

1 responses · 0 unresolved

We thank the referee for the constructive review. The manuscript is a patent application disclosing a specific low-cost sheet-metal fabrication sequence for a gravity-fed animal feeder; it is not a performance study. We address the single major comment below and maintain that the disclosed geometry and method are novel and useful as claimed.

read point-by-point responses

Referee: The functional assertion that the T-shaped slots and opposed fingers 'permit granular animal feed to flow by gravity' into the sloped dishes (abstract and claim 1) is unsupported by any flow analysis, prototype testing, or material specification; this directly affects the utility of the disclosed construction.

Authors: We respectfully disagree that empirical flow data or material specifications are required to support the utility of the claimed invention. The application discloses a concrete manufacturing method that produces a reservoir wall containing T-shaped dispensing openings and opposed fingers positioned above sloped dishes. Gravity flow of granular feed through such openings is a direct and predictable consequence of the geometry (reservoir above the tray, openings at the base of the reservoir wall). Patent law requires enablement and utility, not prototype testing or CFD analysis. The T-slot geometry itself is the inventive feature that simultaneously forms the metering fingers and the feed path; its operability follows from well-known principles of gravity dispensing and does not need separate experimental corroboration within the patent specification. revision: no

Circularity Check

0 steps flagged

No significant circularity

full rationale

The document is a U.S. patent that discloses a manufacturing sequence (blank cutting, flange and T-slot formation) and the resulting geometry of a gravity-fed feeder. No quantitative performance claims, scaling relations, empirical hypotheses, equations, or fitted parameters are asserted; the central disclosure is the specific construction steps and component shapes themselves. No derivation chain exists that could reduce to its own inputs.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

No mathematical axioms, free parameters, or invented physical entities are invoked; the document rests only on standard sheet-metal forming practices and gravity flow assumptions common to the domain.

pith-pipeline@v0.9.0 · 5679 in / 920 out tokens · 24913 ms · 2026-05-21T20:31:23.422834+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 method of making an animal feeder, comprising: cutting a plurality of blanks from sheet material, forming at least one flange in at least one of the blanks and forming at least one opening in at least one of the blanks, so as to define a plurality of components... each of the dispensing openings is formed by a T-shaped slot in wall of the reservoir, the T-shaped slot also forming a pair of opposed fingers.

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.