Patent ID: 8464421

Claim:
An electronic component mounting apparatus comprising a substrate conveyor track, a first component feed unit and a second component feed unit that are disposed on both sides of the substrate conveyor track, and first and second transfer heads that convey and mount electronic components put in the first and second component feed units to substrates positioned on the substrate conveyor track, wherein the substrate conveyor track is provided with first through fourth conveyors laid side by side in parallel to each other; wherein each of two external conveyors of the four conveyors, located closely to both sides of the substrate conveyor track, includes a stationary path situated closer to either one of external sides of the substrate conveyor track and a movable path situated closer to a center of the substrate conveyor track; and wherein each of remaining two center conveyors includes a stationary path situated closer to the center of the substrate conveyor track and a movable path situated closer to either one of the external sides of the substrate conveyor track.