Cage trap trip mechanism and assembly method

Andrew Joseph Gauker, Mohnton, PA (US)

USPTO: us-12622428 · published 2026-05-12 · patents · A01M 23/24· A01M 23/18

Cage trap trip mechanism and assembly method

Andrew Joseph Gauker, Mohnton, PA (US) This is my paper

Pith reviewed 2026-05-17 17:32 UTC · model grok-4.3

classification patents A01M 23/24A01M 23/18

keywords animal trapcage trapstorage configurationtrigger linkagerecessed platformclipsdoor assemblyassembly method

0 comments

The pith

A cage trap stores its trigger linkage flat inside the lid by clipping it to a recessed platform.

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

The patent describes an animal cage trap whose top wall contains a recessed platform fitted with clips. In normal use the first linkage connects the door to the trigger assembly through a rod and trigger linkage. For storage the linkage is detached from those parts and snapped into the clips so that the entire assembly sits below the raised perimeter wall. This change lets the trap collapse into a flatter profile without protruding parts that could snag or break. The design therefore supplies both an operating trip mechanism and a repeatable way to reconfigure the same parts for transport or stacking.

Core claim

The trap reconfigures between operative and storage states by detaching the first linkage from the trigger linkage and rod, then securing that linkage in clips on a recessed platform so the linkage remains below the top surface of the perimeter wall.

What carries the argument

Recessed platform and clips on the removable top wall that capture the detached first linkage below the perimeter rim.

If this is right

The trap occupies less vertical space when stacked or shelved.
The same top wall serves as both operating cover and storage retainer without extra parts.
The door and trigger assembly remain attached to the cage throughout the storage cycle.
Re-assembly restores the original trip geometry without adjustment.

Where Pith is reading between the lines

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

Repeated disassembly may reduce wear on the pivot points if the linkage is left connected during long-term storage.
The flat lid profile could allow multiple traps to nest or stack more densely in commercial transport.
A user who leaves the linkage attached would lose the space-saving benefit the patent claims.

Load-bearing premise

Users will take the time to detach and re-attach the linkage each time they switch between storage and use.

What would settle it

Measure whether any part of the clipped linkage extends above the perimeter wall when the trap is placed on a flat surface in the claimed storage configuration.

read the original abstract

1 . An animal trap, comprising: a cage assembly defining an interior space accessible via at least one entrance, including: a floor; a pair of opposed side walls; a rear wall; and a top wall removably connected to the pair of side walls and the rear wall, the top wall includes a recessed platform and a raised perimeter wall, the recessed platform defining clips; a door assembly including a door pivotally mounted to the cage assembly and movable between a closed position and an open position for selectively opening and closing the at least one entrance; a trigger assembly including a trigger arranged within the interior space of the cage assembly; and a first linkage removably attached to the door assembly in an operating position, and adapted to engage with the trigger assembly to hold the door in the open position, wherein: the trap is reconfigured between an operative configuration and a storage configuration, in the operative configuration, the first linkage is held by and is operatively connected to a trigger linkage and a rod, in the storage configuration, the first linkage is removed from the trigger linkage and the rod and is removably held in place by the clips, a recessed nature of the recessed platform ensures that the first linkage remains below the top surface of the perimeter wall while the trap is in the storage configuration.

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 mechanical tweak for storing the linkage inside a cage trap, useful for the specific product but nothing broader.

read the letter

The patent lays out a cage trap whose top wall has a recessed platform fitted with clips. In storage mode the first linkage detaches from the trigger rod and snaps into those clips so it sits below the rim. That geometry is the only real addition relative to earlier collapsible traps. The description is clear on how the parts fit together and how the trap folds, which makes the assembly steps easy to follow and mechanically workable on paper. No equations or performance data appear, so evaluation stays at whether the parts can physically occupy the claimed positions without interference. They can. The main limitation is that the design still requires the user to disconnect and reconnect the linkage every time the trap is collapsed or set up. Nothing in the filing shows this step is faster or more reliable than simply leaving the linkage attached and folding around it. Prior art already covers most of the rest of the collapsible cage, so the clip-and-recess detail is the only incremental change. For someone designing or manufacturing this exact consumer trap the drawings and claim language could be worth a look. For any other purpose the document adds little. I would not send it to referees; it is a standard utility patent filing, not a research contribution that needs external technical review.

Referee Report

0 major / 1 minor

Summary. The manuscript is a patent specification for an animal cage trap whose top wall incorporates a recessed platform fitted with clips. The first linkage of the trigger assembly can be detached from the trigger linkage and rod and snapped into the clips so that, in the storage configuration, the linkage lies entirely below the raised perimeter wall, permitting compact stacking or transport without protruding parts.

Significance. The described geometry supplies a simple, tool-free method for reconfiguring the trap between operative and storage states. If the mechanical arrangement functions as claimed, it offers a practical, incremental improvement in the handling and storage of live-animal traps.

minor comments (1)

The assembly steps for reattaching the linkage after storage are described only at a high level; a short additional paragraph or figure call-out would make the re-assembly sequence unambiguous.

Simulated Author's Rebuttal

0 responses · 0 unresolved

We thank the referee for the careful reading of the manuscript and for the positive recommendation to accept. The report accurately captures the core contribution of the recessed-platform geometry and its utility for compact storage.

Circularity Check

0 steps flagged

No significant circularity

full rationale

The patent is a purely mechanical description of a cage trap's linkage, clips, recessed platform, and reconfiguration between operative and storage states. No equations, fitted parameters, empirical predictions, scaling relations, or uniqueness theorems appear. All claims are direct statements of component geometry and assembly steps that are self-contained and do not reduce to prior inputs by construction or self-citation.

Axiom & Free-Parameter Ledger

0 free parameters · 1 axioms · 0 invented entities

The design rests on standard mechanical engineering assumptions about rigid-body kinematics and user assembly behavior; no free parameters or invented physical entities are introduced.

axioms (1)

domain assumption The linkage and door can be repeatedly attached and detached by hand without tools or damage.
Implicit in the storage-configuration description.

pith-pipeline@v0.9.0 · 5540 in / 892 out tokens · 48718 ms · 2026-05-17T17:32:19.641027+00:00 · methodology

Cage trap trip mechanism and assembly method

Core claim

What carries the argument

If this is right

Where Pith is reading between the lines

Load-bearing premise

What would settle it

discussion (0)