Patent ID: 6352402
Filing Date: 2002-03-05
Classification: B65G,H05K

Abstract:
An apparatus for adjusting a pitch of a picker, comprising:a picker base; a plurality of pairs of pickers displaceably mounted to the picker base by a linear guide device provided on one side of the picker base; a plurality of rack systems respectively coupled to the plurality of pairs of pickers, each rack system including an upper rack and a lower rack each being coupled to a respective picker of one of the pair of pickers; an actuator coupled to the picker base for displaceably driving the plurality of pickers; and a bevel gear unit coupled to the actuator and having a plurality of pinion gear pairs each respectively engaged with a respective pair of the upper and lower racks, a first gear of the pinion gear pair engaged with the upper rack having a different gear ratio than a second gear of the pinion gear pair engaged with the lower rack, wherein each pair of pickers is displaced relative to the other pairs of pickers while each picker of a respective pair of pickers is displaced relative to the other picker of the respective pair of pickers to adjust the pitch of the pickers.