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USPTO: us-12628795 · published 2026-05-19 · patents · A01K 13/001· A01K 13/002· A01K 15/0201· A46B 13/008· A46B 13/04· A46B 15/0036· A46B 15/0038· A46B 17/08

Cleaning apparatus for an article with an accessory

Pith reviewed 2026-05-21 22:00 UTC · model grok-4.3

classification patents A01K 13/001A01K 13/002A01K 15/0201A46B 13/008A46B 13/04A46B 15/0036A46B 15/0038A46B 17/08
keywords cleaning apparatusscarfed sidewallcantilevered bristlesangled liquid fillmovable cleaning surfacearticle with accessory
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The pith

A cleaning apparatus holds liquid at an acute tilt angle thanks to its scarfed sidewall while a movable set of cantilevered flexible elements scrubs the article and accessory.

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

The patent describes a container whose sidewall ends in an uneven scarfed rim so that the interior can be filled with cleaning liquid even when the whole device sits at a shallow angle to a flat surface. Attached to the base is a cleaning surface made of many parallel flexible strands fixed together at one end and free at the other, forming a cantilevered brush. A drive mechanism moves the entire brush substructure relative to the base, producing the scrubbing action. The combination lets a user dip and agitate an article that has an attached accessory without spilling liquid or needing to hold the device upright. If the design works as stated, it simplifies cleaning of irregular or elongated items that must stay partially submerged at an angle.

Core claim

The scarfed outlet margin creates a varying sidewall height that permits the interior volume to retain a selected quantity of liquid while the longitudinal axis lies at an acute angle to a supporting surface; simultaneously, the movably engaged substructure of cantilevered flexible elements supplies independent distal-end motion for mechanical cleaning of both the article and its accessory.

What carries the argument

Scarfed sidewall margin that produces maximum-to-minimum height variation around the open aperture, paired with a driven cantilevered bundle of parallel flexible cleaning elements.

If this is right

  • Articles with protruding accessories can be cleaned in a single tilted immersion without repositioning.
  • The cantilevered strands maintain independent tip motion even while the base is angled, preserving scrubbing coverage.
  • Liquid volume remains constant at the selected fill level across a range of shallow tilt angles.
  • The drive mechanism transmits motion to the substructure without requiring the entire container to be held vertical.

Where Pith is reading between the lines

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

  • The same scarfed-rim geometry could be applied to other angled fluid reservoirs such as portable dispensers or specimen holders.
  • Varying the cantilever length or stiffness of the flexible elements would tune the apparatus for different accessory sizes or surface textures.
  • Integration with a battery-powered linear actuator would make the device portable for field use on sports equipment or medical tools.

Load-bearing premise

The scarfed rim and the moving brush substructure can operate together at the stated acute angle without liquid leaking past the rim or the moving parts interfering with each other.

What would settle it

Fill the apparatus to the claimed capacity, tilt it so the longitudinal axis forms the acute angle, activate the drive, and observe whether liquid spills or the brush motion is blocked within one minute of continuous operation.

read the original abstract

1 . A cleaning apparatus for an article having a proximal end portion and an opposing distal end portion with a longwise axis spanning therebetween on the article, wherein an accessory is provided to accompany the article, said cleaning apparatus comprising: a. a base; b. a surrounding sidewall extending from said base, said sidewall being about a longitudinal axis, said sidewall having an interior surface and an opposing exterior surface, said sidewall terminating in an open aperture having a scarfed outlet margin in relation to said base, said scarfed outlet margin structurally results in said sidewall having a maximum extension distance from said base and a peripherally opposing minimum extension distance from said base, wherein a remainder of said outlet margin has a varying extension distance from said base that is in-between said minimum and maximum extension distances, said sidewall interior surface and said base defining a cleaning apparatus interior, wherein operationally said scarfed margin facilitates said interior being filled to a selected capacity with a liquid while said longitudinal axis forms a longitudinal axis acute angle with a surface; c. a cleaning surface movably engaged to said base, said cleaning surface including a plurality of flexible elements, each said flexible element having a proximal end portion and an opposing distal end portion with an element length axis therebetween, each said element length axis are substantially parallel to one another wherein said plurality of proximal end portions are affixed to one another forming a substructure and said plurality of distal end portions have free independent movement to one another in a cantilever manner; d. a means for imparting movement to said substructure to cause movement at said plurality

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 / 2 minor

Summary. The manuscript is a U.S. patent specification that claims a cleaning apparatus comprising a base, a sidewall with a scarfed outlet margin allowing the interior to hold liquid at an acute angle to a surface, a movably engaged cleaning surface formed by cantilevered flexible elements affixed at a common substructure, and a means for imparting motion to that substructure.

Significance. If the described geometry and mechanism operate as asserted, the apparatus could offer a compact liquid-retaining cleaner for elongated articles with accessories. However, the specification supplies only a structural description and functional assertions; no performance data, comparative testing, or failure-mode analysis are provided, limiting any assessment of practical advantage or novelty.

major comments (1)
  1. [Abstract (c)–(d)] Abstract paragraphs (c)–(d) and the corresponding full-text description: the central utility claim that the scarfed margin and cantilevered substructure function together without leakage or mechanical interference at the stated acute angle is asserted but unsupported by any dimensional analysis, sealing details, or kinematic evaluation. This is load-bearing for the operability of the invention.
minor comments (2)
  1. [Abstract] The final sentence of the abstract is truncated after “said plurality”; the corresponding claim language in the full text should be completed for clarity.
  2. Figure references and element numbering are absent from the provided text; inclusion of labeled drawings would improve readability of the sidewall margin and substructure geometry.

Simulated Author's Rebuttal

1 responses · 0 unresolved

We appreciate the referee's careful reading of the patent specification. The single major comment raises a valid point about the level of detail supporting operability. Below we respond directly to that comment and indicate whether textual changes are warranted.

read point-by-point responses
  1. Referee: [Abstract (c)–(d)] Abstract paragraphs (c)–(d) and the corresponding full-text description: the central utility claim that the scarfed margin and cantilevered substructure function together without leakage or mechanical interference at the stated acute angle is asserted but unsupported by any dimensional analysis, sealing details, or kinematic evaluation. This is load-bearing for the operability of the invention.

    Authors: The specification is a U.S. patent application whose enablement requirement is met by a complete structural description that would allow a person of ordinary skill in the mechanical-arts field to construct and operate the device. The scarfed margin geometry, the cantilevered flexible-element substructure, and the acute-angle liquid-retention relationship are defined by explicit dimensional relationships and kinematic constraints already stated in the claims and detailed description. No additional sealing elements or kinematic equations are required for enablement; any quantitative performance data would be extraneous to the statutory requirements of a patent specification. We therefore see no need to insert engineering analysis or test results into the document. revision: no

Circularity Check

0 steps flagged

No significant circularity

full rationale

The document is a U.S. patent specification describing a structural cleaning apparatus. It contains no derivations, equations, fitted parameters, predictions, or theoretical claims that could reduce to inputs by construction. The scarfed sidewall and cantilevered cleaning elements are presented as a mechanical arrangement whose operability is asserted by design description alone, with no load-bearing steps that invoke self-citation chains or self-definitional loops.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

No free parameters, axioms, or invented physical entities are introduced; the document is an engineering description of a mechanical assembly.

pith-pipeline@v0.9.0 · 5878 in / 940 out tokens · 21061 ms · 2026-05-21T22:00:48.164757+00:00 · methodology

discussion (0)

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