Patent ID: 7308860

Claim:
A novel sewing machine for decoratively stitching a cricket ball, said sewing machine comprising: a dual needle looper assembly comprising of plurality of needles [( 5 a ) and ( 5 b )] placed parallel to each other in an offset manner and being fixed onto a needle holder ( 5 ), said plurality of needles having corresponding loopers [( 4 a ) and ( 4 b )] placed below the needles, said loopers being mounted on looper holders [( 4 c ) and ( 4 d )]; said dual needle looper assembly being mounted on a reciprocating means; said dual needle looper assembly being encased within a hemispherical hollow mandrel assembly ( 1 ) having an opening/pores to allow reciprocating movement of the needles; said hemispherical hollow mandrel assembly being mounted with a hemispherical leather cup ( 2 ) on which decorative stitching is to be performed; said hemispherical hollow mandrel mounted with the leather cup being freely mounted on a ball bearing support ( 3 ) and being in contact with a ball holder ( 13 ), and said ball holder is mounted on an indexer assembly to provide circular indexing movement to the hemispherical leather cup.