IS 12605-1989

百检网 2021-08-03
标准号:IS 12605-1989
发布日期:1989/8/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard Jays down the strength require-ments to be met by mechanical coupling devices between trailers and towing vehicles. These devices may be of the following types:a) One-piece ball coupling, andb) Ball coupling comprising of a number of parts which can be dismantled.NOTE — The term 'ball coupling' is used to desig-nate a coupling device of which a 'coupling ball' forms a part.1.2 This standard is applicable to towing brackets and coupling balls fitted to towing vehicles intended for towing of the trailers of which the maximum total weight does not exceed 3-5 tonnes. In the case, where exceptionally, the manufacturer of the towing vehicles authorizes the maximum permis-sible towed weight to be exceeded, the corres-ponding towing devices are not considered in this standard.

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