Patent ID: 8276263

Claim:
A surface mounting apparatus, comprising: a transportation path forming member that supports a printed wiring board movably in a transportation direction; and a board transfer device that lowers abutting members to spaced apart positions upstream and downstream of the printed wiring board placed on the transportation path forming member in the transportation direction and moves the abutting members in the transportation direction, wherein: the board transfer device includes: an interval changing device that changes an interval between the abutting members; a sensor that detects a position of the printed wiring board positioned on the transportation path forming member; interference determination means for determining absence or presence of the printed wiring board at the positions to which both the abutting members are to be lowered according to the position of the printed wiring board detected by the sensor; and interval setting means for moving the abutting members by driving the interval changing means according to a detection result of the interference determination means.