IS 3299 : 1969 Oscillating-rock shafts for sewing machines for household purposes

1 Scope

1.1 This standard lays down the requirements for oscillatingrock shafts for sewing machines for household purposes.

1.1.1 This standard does not deal with the oscillating rockshafts for industrial or special purpose sewing machines.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 210 : 1962Specification for grey iron castings

IS 1501 : 1968 Method for Vickers hardness test forsteel

IS 1570 : 1961Schedules for wrought steels for general engineeringpurposes