selectively the body members are secured together to form a modular unit for installation in the tufting machine application_number US 9197779 A description referring now to the drawings there is illustrated in fig1 a tufting machine 10 having a frame comprising a bed 12 and a head 14 disposed above the bed the bed 12 includes a bed plate 16 across which a backing fabric f is adapted to be fed by a pair of feed rolls 18 and take off rolls 20 mounted in the head 14 are a plurality of collars 22 only one of which is shown for supporting a respective sleeve 24 reciprocably mounted within each sleeve is a push rod 26 to the lower end of which a needle bar carrier 28 is attached and which in turn supports the needle bar 30 which carries a multiplicity of needles 32 only one of which is illustrated the upper end of the push rod 26 is connected by a wrist pin 34 to a connecting member 36 which in turn is connected by a link 38 to a rocker arm 40 on a rock shaft 42 rocking motion is supplied to the shaft 42 by conventional means such as from a cam shaft 44 a circular cam not illustrated is eccentrically fixed to the shaft 44 and drives a lever fixed to the shaft 42 through a connecting rod rotational motion of the shaft 44 is thus converted into rocking motion at shaft 42 to reciprocate the push rods 26 the needle bar 30 and the needles 32 mounted in the bed 12 for co operation with the needles to seize loops of yarn presented thereby are a plurality of loopers or hooks generally indicated at 46 which point.