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Research draft

couch

vr.tr.couch · PHY.OBJ

Enable an agent to recognise a couch, assess its suitability and condition, and decide how it may be placed, used, cleaned, moved or repaired.

Thing Registry Physical world and living systems

Research draft, second pass

A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.

recalled by Codex without web access - no source was read

Researched by: Codex

Purpose and description

Enable an agent to recognise a couch, assess its suitability and condition, and decide how it may be placed, used, cleaned, moved or repaired.

A couch is a seating furniture item designed to accommodate two or more people on an extended seat, usually upholstered and fitted with a backrest, with or without armrests.

It can be Assess whether the seating geometry and documented capacity suit an intended use.; Check room placement, delivery access and clearance for reclining or bed deployment.; Arrange and connect sectional modules according to documented compatible layouts.; Operate reclining or sleeping features when their condition and instructions support the action.; Select cleaning, cushion maintenance or upholstery repair from component-specific evidence.; Identify damaged seating positions and plan supported disassembly, repair or removal..

Distinguishing features

Presents a shared seating body with back support intended for sitting or lounging; nominal seat count alone does not settle the boundary.

Uses seat and back cushioning or upholstery as central features of the provisionally intended domestic furniture sense, unlike a typical plain bench.

A sectional forms a couch through modules intended to function together; adjacent independent chairs do not become a couch merely through placement.

A convertible couch has an intended seating configuration as well as a sleeping configuration; a bed with pillows is not sufficient evidence.

Clinical positioning features or a specialist treatment purpose trigger a sense-boundary review rather than automatic inclusion.

Scope

+ Shared seating form, back support and intended sitting or lounging use

+ Seat geometry, overall dimensions and room-access requirements

+ Frames, suspension, cushions, upholstery and their relationships

+ Sectional connections and optional reclining or sleeping mechanisms

+ Condition, cleaning constraints, repairability and evidence of safe use

- Clinical examination couches and therapy equipment defined by specialist functions

- Beds and mattresses independently of a couch's conversion function

- Chairs and benches except where needed to establish the couch boundary

- Room design and building circulation beyond couch placement requirements

- Product ranges, commercial offers and ownership transactions as separate records

Characteristics

Seating configuration
straight; corner; sectional; chaise-ended; other; unknown Determines the seating arrangement, footprint and relevant component relationships.
Usable seating width
mm, measured between seating boundaries in the stated configuration Separates usable sitting space from overall width and decorative arms.
Seat geometry
seat height and usable depth in mm; back angle in degrees; record loading and reference points Supports assessment of sitting posture, lounging and ease of standing.
Configured envelope
width, depth and height in mm for each seating, reclining or sleeping configuration Determines room fit and space occupied during conversion.
Delivery envelope and mass
mm and kg for the assembled couch and each permitted transport piece Supports access checks and handling plans without assuming that parts can be removed.
Seating and load rating
persons and kg, with source, configuration and per-seat or total basis; unknown if undocumented Prevents cushion count or apparent sturdiness from being treated as a verified capacity.
Support and upholstery construction
documented frame, suspension, cushion-fill and covering materials; mixed; unknown Explains support behaviour and constrains cleaning and repair choices.
Module and cushion relationships
part-of; connected-to; fits-position; orientation; removable-under-instructions Preserves sectional layout and identifies which cushions and connectors belong together.
Conversion mechanism state
not fitted; stowed; deployed; intermediate; jammed; damaged; unknown Determines whether sitting, reclining, sleeping or moving is currently appropriate.
Condition by seating position
observed sagging, instability, tears, exposed components, staining or other defects; location and assessment date Avoids hiding a failed seat or damaged section behind an overall condition label.
Cover care evidence
links to labels, manufacturer instructions and component-specific care restrictions Supports cleaning decisions without assuming every removable cover is washable.

Also called

chesterfieldcircular sofacanapésectional sofachaise longueLoveseatupholstered reclinerdivanconfidantefainting couchAccubitadavenportloveseatcorner sofaleather sofameridianaSigma

Where this came from

wikidata · CC0 1.0

Also registered as vr.tr.couch

Drafted structure

Bundle to layer to finding to question, as the second pass will find it: 6 bundles · 11 layers · 18 findings · 30 questions.

Couch identity and configuration Establishes the intended couch sense and the seating assembly being described.

The word couch can name different furniture forms, while sectionals blur the boundary between one couch and several pieces.

Seating kind boundary

Distinguishes the domestic couch from neighbouring seating and specialist furniture.

Domestic couch recognition

Record intended use and physical form as evidence for inclusion rather than relying on the product name alone.

  1. What combination of shared seating, back support and cushioning identifies this as a couch? definition
  2. Does its primary function place it with domestic couches, benches, chairs, daybeds or clinical furniture? boundary

Sectional assembly

Describes the modules and orientation that constitute a couch configuration.

Module membership and handedness

Record connected sections, corner or chaise positions and the viewpoint used to describe left and right.

  1. Which modules belong to this couch, and which connections are intended to hold them together? boundary
  2. Which layouts and orientations are supported by the module instructions? provenance
Seating fit and placement Relates the couch's usable seating and changing footprint to occupants and the room.

Overall couch size alone cannot establish sitting suitability or clearance for extended features.

Occupant fit

Captures usable seat geometry and supported occupancy claims.

Usable seating geometry

Measure the space and support available to a seated person with the relevant cushions in place.

  1. What are the usable seat width, depth and height, and were they measured loaded or unloaded? measurement
  2. What evidence supports the stated occupant count or load rating, including its per-seat or total basis? provenance
  3. Does the intended user need a practical assessment of reaching the back support and standing from the seat? action

Room and access fit

Accounts for placement, conversion space and transport through room access points.

Placement and delivery envelope

Distinguish assembled dimensions, moving-part clearance and the dimensions of permitted transport pieces.

  1. What space does the couch occupy when seated, fully reclined or converted for sleeping? measurement
  2. Which parts may be removed for delivery, and what access envelope does each remaining piece require? action
Seat support and upholstery Records the construction that carries occupants and creates the couch's contact surfaces.

Similar-looking couches can differ in support, cushion behaviour and repair options.

Frame and suspension

Describes the load-bearing frame, seat support and sectional load connections.

Seating load path

Identify documented or observable support components while distinguishing concealed construction from verified facts.

  1. What evidence identifies the frame, joints and seat suspension beneath each seating position? provenance
  2. Where are looseness, sagging, uneven support or damaged module connections observed? measurement

Cushions and coverings

Separates cushions, filling, upholstery panels and removable covers.

Cushion and cover map

Associate each cushion and covering with its position, materials and permitted removal or rotation.

  1. Which seat and back cushions are fixed, removable, reversible or position-specific? definition
  2. Which labels or specifications establish the filling and covering materials for each component? provenance
Reclining and sleeping functions Covers optional mechanisms that alter the couch's posture or use.

Convertible couches require configuration-specific assessment; absent mechanisms should be recorded as not applicable.

Recliner operation

Captures manual or powered adjustment, controls and movement constraints.

Recliner state and clearance

Record moving sections, actuation method and observed condition before recommending adjustment.

  1. Which seats recline, how are they actuated, and what power source is fitted if any? definition
  2. What instructions govern clearance, obstruction checks and returning the mechanism to its stowed position? action

Sleeping conversion

Describes how a seating assembly becomes a supported sleeping surface.

Bed deployment and support

Record the conversion sequence, deployed supports and the resulting sleeping surface.

  1. What sleeping-surface dimensions and load limits are documented for the deployed configuration? measurement
  2. Which supports, locks or cushions must be positioned before the sleeping surface can be used? action
Couch care and serviceability Connects upholstery care and seating defects to supported maintenance and repair decisions.

A couch may remain visually presentable while its support fails, and unsuitable cleaning can damage its covering or filling.

Upholstery care

Establishes component-specific cleaning instructions and unresolved contamination.

Supported cleaning method

Use care evidence for the actual upholstery and filling instead of inferring a method from appearance.

  1. Which cleaning methods are supported by the couch's labels or manufacturer instructions? provenance
  2. Do spills, odours or suspected contamination extend into filling or concealed areas requiring further assessment? action

Seating defects and repair

Relates local defects to continued use, repair access and replacement components.

Use and repair decision

Record affected seating positions and the evidence needed to support use or a specific repair.

  1. Do observed frame damage, unstable supports, exposed components or mechanism faults require an affected position to be taken out of use? action
  2. Which cushions, covers, connectors or support components can be replaced, and what establishes replacement compatibility? provenance
  3. What product-specific safety or conformity documentation exists, and which couch configuration does it cover? provenance
Evidence and external alignment What the world already says about this thing, gathered so the model can be checked against it.

A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.

Reported evidence

Findings from the breadth pass, kept separate from the structural claims.

Check these first

Recalled without web access and unsourced; every item is a lead to verify.

  • The assumed sense is domestic or communal seating furniture, excluding examination and treatment couches.
  • Dimensions are approximate examples for conventional adult furniture, not specifications or limits for all couch designs.
  • Applicable strength, durability and flammability standards require checking against the intended market and domestic or contract use.
  1. Which of these check these first hold for the sense of couch this model covers, and on what evidence? provenance

Kinds and varieties

Recalled without web access and unsourced; every item is a lead to verify.

  • Two-seat couch or loveseat
  • Three-seat couch
  • Sectional or modular couch
  • Sleeper sofa or sofa bed
  • Reclining couch
  • Armless couch
  1. Which of these kinds and varieties hold for the sense of couch this model covers, and on what evidence? provenance

Identifiers and schemes

Recalled without web access and unsourced; every item is a lead to verify.

  • Manufacturer model number - Manufacturer-specific alphanumeric identifier - Identifies a product model; upholstery, finish and configuration may have separate variant codes.
  • GS1 Global Trade Item Number (GTIN) - 8, 12, 13 or 14 digits - May identify a commercially supplied couch product or variant; it does not identify the furniture kind universally.
  1. Which of these identifiers and schemes hold for the sense of couch this model covers, and on what evidence? provenance

Real-world use

Recalled without web access and unsourced; every item is a lead to verify.

  • Shared seating in domestic living rooms
  • Seating in reception areas, lounges and hospitality settings
  • Reclining and informal resting
  • Convertible sleeping accommodation in sofa-bed designs
  1. Which of these real-world use hold for the sense of couch this model covers, and on what evidence? provenance

Typical measurements

Recalled without web access and unsourced; every item is a lead to verify.

  • Overall width of a conventional two- or three-seat couch - 140-240 - cm
  • Overall depth of a conventional upright couch - 80-110 - cm
  • Seat height above the floor - 40-50 - cm
  • Usable seat depth - 50-65 - cm
  1. Which of these typical measurements hold for the sense of couch this model covers, and on what evidence? provenance

Failure modes and hazards

Recalled without web access and unsourced; every item is a lead to verify.

  • Frame, joint or leg failure can cause instability or collapse.
  • Foam compression and suspension deterioration can produce sagging and loss of support.
  • Upholstery and filling can ignite and generate heat and smoke.
  • Reclining and folding mechanisms can pinch, crush or entrap fingers and limbs.
  • Heavy or awkward sections can cause handling injuries during transport or assembly.
  1. Which of these failure modes and hazards hold for the sense of couch this model covers, and on what evidence? provenance

Regional variation

Recalled without web access and unsourced; every item is a lead to verify.

  • Couch and sofa overlap extensively in ordinary usage; settee is another common term in British English.
  • Loveseat commonly denotes a compact two-person couch in North American usage.
  1. Which of these regional variation hold for the sense of couch this model covers, and on what evidence? provenance

Neighbouring kinds and how to tell them apart

Recalled without web access and unsourced; every item is a lead to verify.

  • Sofa - Usually a synonym; ordinary usage does not establish a consistent physical distinction.
  • Armchair - An armchair is designed primarily for one seated occupant.
  • Bench - A bench provides extended seating but is typically less upholstered; upholstered benches create a boundary overlap.
  • Chaise longue - A chaise longue primarily supports one person with legs extended, rather than several people seated side by side.
  • Bed - A bed is primarily designed for sleeping; a sofa bed combines sleeping and couch functions.
  1. Which of these neighbouring kinds and how to tell them apart hold for the sense of couch this model covers, and on what evidence? provenance

What the second pass must settle

  • Does the registry intend couch to mean domestic sofa-style furniture only, and does an existing sofa world model already own this concept?
  • Where should inclusion boundaries fall for unupholstered couches, single-person chaise longues, daybeds and specialist therapy couches?
  • Which measurement conventions should govern compressible seat geometry, sectional handedness and delivery envelopes?
  • Which safety standards and labelling requirements apply across intended jurisdictions and domestic, commercial, reclining or sleeping uses?
  • What evidence is sufficient to assess continued use after frame, suspension or conversion-mechanism damage, particularly when manufacturer information is unavailable?