IS 3868 : 1966 Specification for Feed Lifting Rock Shaft for Sewing Machines for Household Purposes

1 Scope

1.1 This standard specifies the requirements for two types offeed lifting rock shafts for sewing machines for householdpurposes.

1.1.1 This standard does not deal with feed lifting rock shaftsfor sewing machines for industrial and other special purposes.

2 References

IS 2 : 1960    Rules for rounding off numerical values

IS 210 : 1962  Specification for grey iron castings