ISO 7176-28:2012
Wheelchairs — Part 28: Requirements and test methods for stair-climbing devices
ISO 7176-28:2012 is applicable to stair-climbing chairs and stair-climbing wheelchair carriers where the stair-climbing device climbs backwards up the stairs, with the occupant facing downstairs, and climbs forwards down the stairs with the occupant also facing downstairs.
ISO 7176-28:2012 is applicable to stair-climbing devices which are intended for the transport of adults and those intended for the transport of children. It is not applicable to stair-climbing devices which are intended to be operated by children as operating occupants or assistants.
ISO 7176-28:2012 specifies requirements and test methods for electrically powered stair-climbing devices. It is not applicable to manually powered stair-climbing devices.
ISO 7176-28:2012 specifies tests to demonstrate the stair-climbing device's ability to perform safely on stairs with a pitch of 35°, or higher if declared by the manufacturer. It also includes ergonomic, labelling and disclosure requirements.
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CVP_Secretariat_Loca
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Application of reference standards
4.1 Use of a stair-climbing device in driving mode
4.2 Use of a stair-climbing device in other operational modes
5 Requirements
5.1 General
5.2 Skew angle
5.3 Effectiveness of brakes
5.4 Static stability
5.5 Dynamic stability
5.6 Direct operating forces
5.7 Step transition safety
5.8 Static, impact and fatigue strength
5.9 Climatic tests
5.10 Flammability
5.11 Electromagnetic compatibility
5.12 Safe operation as the battery becomes depleted
5.13 Safety equipment
5.14 Ergonomic aspects
6 Test apparatus
7 Preparation of the stair-climbing device for testing
7.1 General
7.2 Equipment
7.3 Adjustments
7.4 Batteries
7.5 Tyre inflation
7.6 Power switch
7.7 Speed setting
7.8 Loading of stair-climbing devices
7.9 Adaptation of the body support system
7.10 Exaggerated test set-up
8 Test conditions
9 Skew angle
9.1 Principle
9.2 Test method
9.3 Evaluation of results
9.4 Test report
10 Effectiveness of brakes
10.1 Principle
10.2 Test method
10.3 Test report
11 Static stability
11.1 Principle
11.2 Test methods
11.3 Test report
12 Dynamic stability
12.1 Principle
12.2 Test methods
12.3 Test report
13 Direct operating forces
13.1 Principle
13.2 Preparation
13.3 Test methods for assistant-operated stair-climbing devices
13.4 Test methods for occupant-operated stair-climbing devices
13.5 Test evaluation
13.6 Test report
14 Step transition safety
14.1 Principle
14.2 General
14.3 Test method
14.4 Evaluation of results
14.5 Test report
15 Static, impact and fatigue strength
15.1 Principle
15.2 General
15.3 Additional static strength tests
15.4 Fatigue strength — climbing
15.5 Test evaluation
15.6 Test report
16 Climatic tests
16.1 Principle
16.2 Test methods
16.3 Test report
17 Electromagnetic compatibility
17.1 Principle
17.2 Test method
17.3 Test report
18 Safe operation as the battery becomes depleted
18.1 General
18.2 Test method
18.3 Test report
19 Safety equipment
19.1 Principle
19.2 Test methods
19.3 Test report
20 Test report
21 Labelling and documentation
21.1 General
21.2 Labels
21.3 Specification sheets
21.4 Instructions for use
Annex A (normative) Types of stair-climbing devices with typical representations
Annex B (normative) Space of easy reach of the operator
Annex C (normative) Recommended safety equipment
Annex D (normative) Surrogate wheelchair
Annex E (normative) Least stable configuration and least stable position
Annex F (informative) Fatigue tests with test machine
Annex G (informative) Compensation factor
Annex H (normative) Determination of maximum speed
Annex I (normative) Determination of theoretical energy consumption
Annex J (normative) Determination of occupied dimensions and manoeuvring space
Annex K (normative) Distinction between small and large clusters
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CVP_Secretariat_Loca
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Application of reference standards
4.1 Use of a stair-climbing device in driving mode
4.2 Use of a stair-climbing device in other operational modes
5 Requirements
5.1 General
5.2 Skew angle
5.3 Effectiveness of brakes
5.4 Static stability
5.5 Dynamic stability
5.6 Direct operating forces
5.7 Step transition safety
5.8 Static, impact and fatigue strength
5.9 Climatic tests
5.10 Flammability
5.11 Electromagnetic compatibility
5.12 Safe operation as the battery becomes depleted
5.13 Safety equipment
5.14 Ergonomic aspects
6 Test apparatus
7 Preparation of the stair-climbing device for testing
7.1 General
7.2 Equipment
7.3 Adjustments
7.4 Batteries
7.5 Tyre inflation
7.6 Power switch
7.7 Speed setting
7.8 Loading of stair-climbing devices
7.9 Adaptation of the body support system
7.10 Exaggerated test set-up
8 Test conditions
9 Skew angle
9.1 Principle
9.2 Test method
9.3 Evaluation of results
9.4 Test report
10 Effectiveness of brakes
10.1 Principle
10.2 Test method
10.3 Test report
11 Static stability
11.1 Principle
11.2 Test methods
11.3 Test report
12 Dynamic stability
12.1 Principle
12.2 Test methods
12.3 Test report
13 Direct operating forces
13.1 Principle
13.2 Preparation
13.3 Test methods for assistant-operated stair-climbing devices
13.4 Test methods for occupant-operated stair-climbing devices
13.5 Test evaluation
13.6 Test report
14 Step transition safety
14.1 Principle
14.2 General
14.3 Test method
14.4 Evaluation of results
14.5 Test report
15 Static, impact and fatigue strength
15.1 Principle
15.2 General
15.3 Additional static strength tests
15.4 Fatigue strength — climbing
15.5 Test evaluation
15.6 Test report
16 Climatic tests
16.1 Principle
16.2 Test methods
16.3 Test report
17 Electromagnetic compatibility
17.1 Principle
17.2 Test method
17.3 Test report
18 Safe operation as the battery becomes depleted
18.1 General
18.2 Test method
18.3 Test report
19 Safety equipment
19.1 Principle
19.2 Test methods
19.3 Test report
20 Test report
21 Labelling and documentation
21.1 General
21.2 Labels
21.3 Specification sheets
21.4 Instructions for use
Annex A (normative) Types of stair-climbing devices with typical representations
Annex B (normative) Space of easy reach of the operator
Annex C (normative) Recommended safety equipment
Annex D (normative) Surrogate wheelchair
Annex E (normative) Least stable configuration and least stable position
Annex F (informative) Fatigue tests with test machine
Annex G (informative) Compensation factor
Annex H (normative) Determination of maximum speed
Annex I (normative) Determination of theoretical energy consumption
Annex J (normative) Determination of occupied dimensions and manoeuvring space
Annex K (normative) Distinction between small and large clusters