標準號：IS 10880-1984
發布日期：1984/7/1 12:00:00
實施日期：1999/12/31 12:00:00
適用范圍：1.1 This standard covers dimensions, material, testing and marking for fixed centre twistlocks that are used in conjunction with freight containers complying with the requirements of IS : 6566-1972 ' Dimensions and ratings of ISO series 1 freight containers ( ISO 668)' and are equipped with corner fittings as specified in IS : 7694-1975 ' Dimensions and general requirements of corner fittings for ISO series 1 freight containers ( ISO/DIS 1161 )'.1.2 The attachment of twistlocks to the relevant supporting members is not covered in this standard, nor are the details of safety, interlocks, or position indicating device. The end of the shank and the method of the attachment to the operating mechanism and spreader are not specified. They are left to the discretion of the designer.1.3 This standard does not cover the design feature of twistlocks that are used for location and restraint of freight containers on vehicles.