ISO 20957-5:2016
Stationary training equipment — Part 5: Stationary exercise bicycles and upper body crank training equipment, additional specific safety requirements and test methods
ISO 20957-5:2016 specifies safety requirements for stationary exercise bicycles and upper body crank training equipment in addition to the general safety requirements of ISO 20957‑1.
ISO 20957-5:2016 is applicable to stationary training equipment type stationary exercise bicycles and upper body crank training equipment (type 5) as defined in Clause 3 within the classes S, H, I and A, B, C according to ISO 20957‑1.
Any attachment provided with the stationary exercise bicycles and upper body crank training equipment for the performance of additional exercises are subject to the requirements of ISO 20957‑1.
ISO 20957-5:2016 is not applicable to roller stands as they cannot be made safe in a reasonable way.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Safety requirements
5.1 General
5.2 External construction
5.2.1 Transmission elements and rotating parts
5.2.2 Temperature rise
5.3 Intrinsic loading
5.3.1 Seat pillar and frame
5.3.2 Handlebar and frame
5.3.3 Pedal and frame
5.4 Seat pillar — Seat
5.4.1 Insertion depth
5.4.2 Seat adjustment
5.4.3 Seat tilting
5.5 Handlebar stem
5.6 Stability
5.7 Additional requirements for recumbent stationary exercise bicycles, upper body crank training equipment and combined crank training equipment
5.7.1 Combined crank training equipment
5.7.2 Seat system
5.8 Additional classified requirements
5.9 Endurance
5.10 Additional instructions for use
5.11 Additional warnings
6 Test methods
6.1 General
6.1.1 Dimensional check
6.1.2 Visual examination
6.1.3 Tactile examination
6.1.4 Performance test
6.2 Testing of temperature rise
6.3 Testing of transmission elements and rotating parts
6.3.1 Crank and protective cover finger probe examination
6.3.2 Other moving parts finger probe examination
6.4 Testing of intrinsic loading
6.4.1 Seat pillar and frame
6.4.2 Handlebar and frame
6.4.3 Pedal and frame
6.5 Testing of seat tilting
6.6 Testing of seat back rest
6.7 Testing of stability
6.8 Description of the test device
6.9 Testing of constant power mode
6.10 Testing of heart rate control mode
6.11 Testing of power accuracy for class A
6.11.1 General
6.11.2 Speed dependent crank training equipment
6.11.3 Speed independent crank training equipment
6.12 Testing of power repeatability for class B
6.13 Endurance test
6.13.1 Speed independent crank training equipment
6.13.2 Speed dependent crank training equipment
7 Test report
Annex A (informative) Example of determining the moment of inertia J (looking from the driving axis into a system)
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Safety requirements
5.1 General
5.2 External construction
5.2.1 Transmission elements and rotating parts
5.2.2 Temperature rise
5.3 Intrinsic loading
5.3.1 Seat pillar and frame
5.3.2 Handlebar and frame
5.3.3 Pedal and frame
5.4 Seat pillar — Seat
5.4.1 Insertion depth
5.4.2 Seat adjustment
5.4.3 Seat tilting
5.5 Handlebar stem
5.6 Stability
5.7 Additional requirements for recumbent stationary exercise bicycles, upper body crank training equipment and combined crank training equipment
5.7.1 Combined crank training equipment
5.7.2 Seat system
5.8 Additional classified requirements
5.9 Endurance
5.10 Additional instructions for use
5.11 Additional warnings
6 Test methods
6.1 General
6.1.1 Dimensional check
6.1.2 Visual examination
6.1.3 Tactile examination
6.1.4 Performance test
6.2 Testing of temperature rise
6.3 Testing of transmission elements and rotating parts
6.3.1 Crank and protective cover finger probe examination
6.3.2 Other moving parts finger probe examination
6.4 Testing of intrinsic loading
6.4.1 Seat pillar and frame
6.4.2 Handlebar and frame
6.4.3 Pedal and frame
6.5 Testing of seat tilting
6.6 Testing of seat back rest
6.7 Testing of stability
6.8 Description of the test device
6.9 Testing of constant power mode
6.10 Testing of heart rate control mode
6.11 Testing of power accuracy for class A
6.11.1 General
6.11.2 Speed dependent crank training equipment
6.11.3 Speed independent crank training equipment
6.12 Testing of power repeatability for class B
6.13 Endurance test
6.13.1 Speed independent crank training equipment
6.13.2 Speed dependent crank training equipment
7 Test report
Annex A (informative) Example of determining the moment of inertia J (looking from the driving axis into a system)
Bibliography