pair of uprights 114 and 116 on opposing sides 118 and 120 of base 68 uprights 114 and 116 are substantially perpendicular to planar member 72 comprising base 68 journal means such as pins 122 and 124 mount receptacle 70 therebetween on corresponding bearing surfaces 126 and 128 post 102 provides means for restricting the rotation of receptacle 70 in clockwise direction 130 about axis 94 past preselected clockwise angular displacement angle a while post 100 provides means for restricting the rotation of receptacle 70 in a counterclockwise direction 132 about axis 94 past a preselected counterclockwise angular displacement here the horizontal or where a 0 u00b0 camming surfaces 134 and 136 formed in tabs 138 and 140 downwardly depending from receptacle 70 see fig5 a 5b and 5c provide means for repositioning the angular orientation of receptacle 70 in response to the thrusting force of plungers 142 144 and 146 see fig1 which are extendable from orientation stations 28 30 and 32 respectively to exert a repositioning force f generally in directing transverse to path 26 and parallel to axis 94 if the orientation station is on the other side of the conveyor the force is f 39 in an opposite direction such plungers provide means for activating the cam or the repositioning means camming surfaces 134 and 136 cause receptacle 70 to.