Prüfbericht - Nr.: 21187442 001 - Four Design 13761 Four Cast Line Polyamide, upholstre… · Prüfbericht - Nr.: 21187442_001 Test Report No.: Seite 2 von 13 ... - frame made of

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Prüfbericht - Nr.: 21187442_001 Test Report No.:

Seite 2 von 13 Page 2 of 13

List of Measurement Equipment

Messgerät/meter Gerätenummer/ Ident.-Nummer

Barcode-Nummer

nächste Kalibrierung/

next calibration

Messschieber / vernier calliper 0-150 mm 01969 05.2014 Messschieber / vernier calliper 0-300 mm 02089 05.2014 Maßstab / measuring rod 1000 mm 02082 05.2014 Radienlehre / radius gauge 1-7mm 01967 05.2014 Belastungsschablone Stühle / loading point template for chairs

02259 03.2015

Stuhlmessstand 2 dimensional / chair measuring device 2 dimensional

01970 04.2014

Gesäßattrappe für Stuhlmessstand / seat loading pad for chair measuring device

02254 03.2015

Waage / scales 30 kg 02238 03.2013 Standsicherheitsprüfgerät / stability test devicde

02245 03.2015

Handkraftmessgerät / portable force measuring instrument

02084 04.2014

Gewicht / load 2,50 kg 02024

02028 02074 - 02077

02.2015 03.2014 06.2015

Gewicht / load 5 kg 01996 - 01997, 02064 - 02073 06.2017, 03.2014 Gewicht / load 10 kg 01998 – 02019, 02094 - 02113 06.2017 Gewicht / load 15 kg 02114 - 02123 01.2017 Doppelprüfmaschine Sitz-Rücken / Double test machine seat-backrest

07076 01.2015

5 Kanalsteuerung / 5 channel control 01965 04.2014 Kraftmessdose / force sensor 2 kN; AST 97-3863

01980 02.2014

Kraftmessdose / force sensor 5 kN; AST 52460

01984 02.2014

Druckstück / loading pad D100, R 12 02260 03.2014 5 Kanalsteuerung / 5 channel control 02093 04.2014 Kraftmessdose / force sensor 5 kN; AST 05-4481

01990 02.2014

Kraftmessdose / force sensor 5 kN; AST 04-3595

01973 02.2014

Armlehnendruckstück / arm loading pad 02257, 02258 03.2014 Stoßprüfgerät / Seat Impactor 02253 03.2015

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dimensions (mm), weight (kg)

modell: "FOUR CAST LINE": seat and backrest shell: polyamide plywood not upholstered full upholstered with armrests height: 829 862 width: 531 524 depth: 512 546 weight: 7,1 6,8

short description of samples

sledge based visitors chairs model range "FOUR CAST LINE", stackable, optional with armrests

- frame made of different bended solid steel tube "S 235" / "A283C", Ø 11 mm, connections welded - seat support made of forward cross beam (4.0 x 30 mm steel) and rearward cross beam (4.0 x 25 mm

steel), welded to the frame tube - frame chromium plated or coated - optional with armrests, armrests made of the extended rearward legs, armrest support covered with a

plastic tube in the area of the armrest pad - seat and backrest shell in the following versions:

made of polyamide (5 – 10.5 mm, PA6 GF 15%) optional with seat upholstery; made of 10.6 mm plywood (9 layers) seat and backrest shell upholstered and covered with fabric

- seat and backrest shell screwed to the seat support with 4 screws: polyamide seat shell: M5 x 8 mm (round-head screw with socket head, glue-locked) into insert metal nuts plywood upholstered seat shell: M4 x 12 mm (round-head screw with socket head, glue-locked) into T-nuts

- sledge base with plastic glides made of PC, plugged on the steel tube

photos Fig. 1: FOUR CAST LINE Fig. 2: FOUR CAST LINE Fig. 3: FOUR CAST LINE Fig. 4: FOUR CAST LINE

Fig. 5: plastic glides Fig. 6: FOUR CAST LINE Fig. 7: FOUR CAST LINE Fig. 8: Marking

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Prüfgrundlage: DIN EN 13761 / 12.2002 Standard: Absatz Ergebnis Remark Meßergebnisse Clause Result Remarks Readings

1

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Requirement Scope This European Standard specifies dimensions and safety requirements for visitors’ chairs. The dimensional requirements are not applicable to easy chairs. Remark Visitors swivel chairs for public use

3 3.1

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Requirement Terms and definitions For the purposes of this European Standard, the following terms and definitions apply. Visitors Chair Seating for one person used in the office environment additional to the office work chair. It is used for meetings or consultations as well as for reading, writing, listening and waiting Remark

4 4.1 4.1.1

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Requirement Dimensions Dimensional requirements Seat height [a] Fixed seat height: between 400 mm and 500 mm. Adjustable seat height: minimum range from 420 mm to 480 mm. Remark polyamide seatshell: 438 mm upholstered seatshell: 454 mm

4.1.2

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Requirement Seat depth [b] Seat depth: between 380 mm and 470 mm. Remark polyamide seatshell: 454 mm upholstered seatshell: 462 mm (220 mm above point "A")

4.1.3

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Requirement Seat width [d] Seat width: minimum 400 mm. Remark polyamide seatshell: 420 mm upholstered seatshell: 412 mm (in point "A")

4.1.4

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Requirement Distance between arm rests [r] Distance between arm rests: minimum 460 mm Remark 480 mm

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Absatz Ergebnis Remark Meßergebnisse Clause Result Remarks Readings

4.2 4.2.1

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Requirement Determination of reference points Point "A" For swivelling chairs point "A" shall be determined in accordance with EN 1335-1. For all other chair types point "A" is the seat loading point determined in accordance with EN 1022. Remark Determination acc. to DIN EN 1022

4.2.2

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Requirement Back supporting point "S" The back supporting point "S" shall be determined in accordance with EN 1335-1. Remark Determination acc. to DIN EN 1335-1

4.3 4.3.1

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Requirement Determination of dimensions Seat height [a] The seat height [a] shall be determined in accordance with EN 1335-1:2000, clause 6.1. Remark Determination acc. to DIN EN 1335-1:2000, cl. 6.1

4.3.2

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Requirement Seat depth [b] The seat depth [b] shall be determined in accordance with EN 1335-1:2000, clause 6.2. Remark Determination acc. to DIN EN 1335-1:2000, cl. 6.2

4.3.3

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Requirement Seat width [d] The seat width [d] shall be determined in accordance with EN 1335-1:2000, clause 6.4. Remark Determination acc. to DIN EN 1335-1:2000, cl. 6.4

4.3.4

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Requirement Distance between arm rests [r] The distance between arm rests [r] shall be determined in accordance with EN 1335-1:2000, clause 6.16. Remark Determination acc. to DIN EN 1335-1:2000, cl. 6.16

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5 5.1 5.1.1

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Requirement Safety requirements General design requirements Corners and edges, trapping, pinching and shearing The chair shall be so designed as to minimize the risk of injury to the user. All parts of the chair with which the user comes into contact, during intended use, shall be so designed that physical injury and damage to property are avoided.

Remark Physical injury and damage to property will be avoided.

P

Requirement These requirements are met when: - the safety distance of accessible movable parts is either ≤ 8 mm or / 25 mm in any position during movement; - accessible corners are rounded with minimum 2 mm radius; - the edges of the seat, back rest and arm rests which are in contact with the user when sitting in the chair are rounded with minimum 2 mm radius; - the edges of handles are rounded with minimum 2 mm radius in the direction of the force applied; - all other edges are free from burrs and rounded or chamfered; - the ends of hollow components are closed or capped.

Remark No sharp edges, no open ended tubes, no critical distances;

5.1.2

N/A

Requirement Adjusting devices Movable and adjustable parts shall be designed so that injuries and inadvertent operation are avoided. Remark

5.1.3

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Requirement Connections It shall not be possible for any load bearing part of the chair to come loose unintentionally. Remark No unintentionally loose of any parts

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5.1.4

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Requirement Avoidance of soiling All parts which are lubricated to assist sliding (greasing, lubricating, etc.) shall be designed to protect users from lubricant stains when in normal use. Remark No lubricating grease or oil accessible during normal use

5.2

P

Requirement Stability during use The chair shall not overbalance under the following conditions: a) by pressing down on the front edge of the seat surface in the most adverse position; b) by leaning sideways on a chair with or without arm rests; c) by leaning against the back rest; d) by sitting on the front edge.

Remark see clause 5.2.2

5.2.1

N/A

Requirement Swiveling chairs The first requirement a) is fulfilled if the chair does not overbalance when tested in accordance with 5.1 of EN 1335-3:2000. The second and fourth requirement b) and d) are fulfilled if the chair does not overbalance when tested in accordance with 5.2 and 5.3 of EN 1335-3:2000. The third requirement c) is fulfilled if either:

- the chair has at least 5 supporting points and the maximum off set [m] of the back rest of the chair is smaller than or equal to 1.34 x [t] (stability dimension [t], see 6.18 of EN 1335-1:2000) when tested in accordance with 5.4.1 of EN 1335-3:2000; or - the chair does not overbalance when tested in accordance with 5.4.2 respectively 5.4.3 of EN 1335-3:2000.

Remark

5.2.2

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Requirement Non swiveling chairs The first and fourth requirement a) and d) are fulfilled if the chair does not overbalance when tested in accordance with EN 1022:2005, clause 6.2 or/and 6.3. The second requirement b) is fulfilled if the chair does not overbalance when tested in accordance with EN 1022:2005, clause 6.4 or 6.5. The third requirement c) is fulfilled if the chair does not overbalance when tested in accordance with EN 1022:2005, clause 6.6 or 7.3 or 7.4. Remark front stability without armrests: till 29 N (upholstered) till 40 N (polyamide) sideways stability without armrests: >100 N sideways stability with armrests: till 71 N rearward stability without armrests: requirement: 161 / 156 N till 209 N (upholstered) till 211 (polyamide)

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5.3

N/A

Requirement Rolling resistance of the unloaded chair This clause is only applicable to chairs fitted with castors. The unloaded chair shall not roll unintentionally. This requirement is met when:

- the rolling resistance is ≥ 15 N with castors Type H or ≥ 12 N with castors Type W when tested in accordance with 6.1 of EN 1335-3:2000; and

- the castors are of identical construction.

Remark

5.4

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Requirement Strength and durability The chair shall be constructed to ensure that it does not create a risk of injury to the user of the chair under the following conditions: a) sitting on the seat, both centrally and off-centre; b) moving forward, backwards, and sideways while sitting in the chair; c) leaning over the arm rests; d) pressing down on the arm rests while getting up from the chair. Remark See static and durability tests

P

Requirement These requirements are fulfilled when after testing in accordance with Table 1: - There are no fractures of any member, joint or component; - There are no loosening of joints intended to be rigid; - No major structural element is significantly deformed; - The chair fulfils its functions after removal of the test loads. Remark Requirements fulfilled

P

Requirement Table 1 - Strength and durability tests Seat and back static load test EN1728: 2000; 6.2.1 Seat: 10 cycles 1600 N Back: 10 cycles 560 N (max.), 410 N (min.)

Remark seat load: 1600 N backrest load: 560 N cycles: 10

No visible damages after the test

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P

Requirement Seat front edge static load test EN1728: 2000, 6.2.2 10 cycles 1300 N Remark seat load: 1300 N cycles: 10

No visible damages after the test

N/A

Requirement Additional static load test for tilting chairs and intermediate reclining chairs EN 1728:2000,6.3 Seat: 10 cycles 1600 N Back: 10 cycles 560 N

Remark

N/A

Requirement Foot rail/foot rest and leg static load test; EN1728: 2000, 6.4 10 cycles 1000 N Remark

P

Requirement Arm sideways static load test; EN1728: 2000, 6.5 10 cycles 400 N Remark load = 400 N cycles: 10 No visible damages after the test

P

Requirement Arm downwards static load test; EN1728: 2000, 6.6 10 cycles 700 N Remark load = 700 N cycles: 10 No visible damages after the test

P

Requirement Seat and back fatigue test for chairs without tilting or reclining mechanism EN1728: 2000, 6.7 Seat: 100 000 cycles 1000 N Back: 100 000 cycles 300 N (max.) Remark seat load: 1.000 N backrest load: 300 N cycles: 100.000 (seat and backrest were tested simultaneous) No visible damages after the test

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N/A

Requirement Seat and back fatigue test for chairs with tilting or reclining mechanism (upright position) EN1728: 2000, 6.7 Seat: 50 000 cycles 1000 N Back: 50 000 cycles 300 N (max.) Remark

N/A

Requirement Additional fatigue test for tilting chairs and intermediate reclining chairs (reclined position) EN1728: 2000, 6.9 Seat: 50 000 cycles 1000 Na) Back: 50 000 cycles 300 Na) Remark a): The loads have should be reduced acc. to EN 1728 Remark

P

Requirement Seat front edge fatigue test; EN1728: 2000, 6.8 50 000 cycles 1000 N Remark load: 1000 N cycles: 50.000 No visible damages after the test

P

Requirement Arm fatigue test; EN1728: 2000, 6.10 30 000 cycles 400 N Remark load = 400 N cycles: 30.000 No visible damages after the test

P

Requirement Leg forward static load test; EN1728: 2000, 6.12 10 cycles 500 N (max.) Balancing seat load: 1000 N Remark No visible damages after the test

P

Requirement Leg sideways static load test; EN1728: 2000, 6.13 10 cycles 400 N (max.) Balancing seat load: 1000 N

Remark No visible damages after the test

P

Requirement Seat impact test; EN1728: 2000, 6.15 10 cycles 180 mm Remark drop height: 180 mm cycles: 10 No visible damages after the test

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6

N/A

Requirement Information for use Each chair shall be accompanied by information for use in the language of the country in which it will be delivered to the end user. It shall contain at least the following details: a) Information regarding the intended use; b) If the chair is fitted with adjusting mechanisms: instruction for operating the adjusting mechanisms; c) Instruction for the care and maintenance of the chair; d) If the chair is fitted with seat height adjustments with energy accumulators, an additional note is required pointing out, that only trained personnel may replace or repair seat height adjustment components with energy accumulators; e) If the chair is fitted with castors: information on the choice of castors in relation to the floor surface.

Remark No adjustable parts available. The intend use of the visitors chair is self-explanatory. That’s why information for use is not essential. Information regarding care and maintenance will be found in a separate maintenance guide on "www.fourdesign.dk".

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5.6 5.6.1 5.6.1.1

P

Requirement

Strength Durability test Tilt drop test The chair is to be fixed against sliding away. For fixing hinges or similar fittings mustn’t to be used. For tilting to the front / rear the seat is to be loaded with a proof load of 85kg (filled with steal grit). For tilting sideways the seat is to be loaded with a proof load of 42.5kg (filled with steal grit). The proof load is to be fixed on the centre of the seat. The chair is to tilt on the backrest to the front / back /sideways till both legs are 30 mm above the proof surface (sleek surface, coated particle board). Afterwards the chair is falling free to the proof surface. The force to the backrest should be in an angle of 90° on the middle of the backrest, 300 mm above the seat. Cycles: 10.000 per side (contract use) 4.000 per side (domestic use) Test frequency: 10 cycles/minute Remark Test no. 1 till no. 4 (see pictures below) Each 10.000 cycles No visible damages after the tests.

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Additional safety requirements


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Marking

Marking according to the German Product Safety Law (ProdSG) chapter 2 § 6

- Name or label of manufacturer / importer: “FOUR DESIGN” - Address of manufacturer / importer: “Faaborgvej 14; 5854 Gislev - DK” - Type designation "FOUR CAST LINE" Remark: In series production the marking with the type designation will be carried

out analog to figure 8.

P

PAH-risk analysis

A risk analysis for Polycyclic aromatic Hydrocarbons (PAH) according to ZEK 01.4-08 was carried out.

Remark Test of the armrestrubber see test report no.: AZ109195 dated 2012-02-06.

The accessibility and the selection of the materials show no further suspicion concerning a PAK-risk.

End of test reportEnd of test reportEnd of test reportEnd of test report

Documents

Prüfbericht - Nr.: 21187442 001 - Four Design 13761 Four Cast Line Polyamide, upholstre… · Prüfbericht - Nr.: 21187442_001 Test Report No.: Seite 2 von 13 ... - frame made of