ISO 1103:2007
Road vehicles — Coupling balls for caravans and light trailers — Dimensions
Road vehicles — Coupling balls for caravans and light trailers — Dimensions
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 8
- Дата публикации:
- 30 мая 2007 г.
- Издание:
- ISO IS 1103 edition 4 version 1
- ICS:
- 43.040.70
ISO 1103:2007 lays down the dimensions necessary for the compatibility of mechanical coupling devices between light trailers or caravans and towing vehicles, when the latter are fitted with a coupling ball. The clearance space around the coupling ball is intended to allow coupling and decoupling of towed vehicles, as well as safe operation during coupling and uncoupling of mechanical devices. ISO 1103:2007 applies to coupling balls designed to couple caravans and light trailers of categories O1 and O2 to vehicles of categories M or N. It does not necessarily apply to special trailers drawn by special vehicles.
Abstract
Overview
ISO 1103:2007 - Road vehicles - Coupling balls for caravans and light trailers - Dimensions - specifies the dimensional and installation requirements for coupling balls used to connect caravans and light trailers (categories O1 and O2) to towing vehicles (categories M or N). The standard defines the geometry and clearance space around the coupling ball to ensure mechanical compatibility, safe coupling/uncoupling and correct installation height for towing systems.
Key topics and technical requirements
- Coupling ball geometry: Defines the spherical and cylindrical surfaces, the tangential connecting radius and the flat circular surface used for marking. Dimensions follow the standard’s figure and surface-roughness guidance.
- Ball neck: Diameter must be 27–29 mm down to a horizontal plane located not less than 32 mm below the sphere centre. The neck axis must pass through the ball centre and be vertical to that plane.
- Installation height: The centre of the coupling ball shall be between 350 mm and 420 mm above ground when checked per Clause 5 (exceptions: N2, N3 and off-road vehicles).
- Clearance space: Specified clearance around the ball for safe coupling and uncoupling - allows normal operations with angles α
Технические детали
- Технический комитет
- ISO/TC 22/SC 40 - Specific aspects for light and heavy commercial vehicles, busses and trailers
- SKU
- ISO 1103:2007
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