| 摘要 |
Electrical and/or electronic parts are advanced simultaneously in a plurality of magazine tubes which are arranged in a matrix of openings in a grid. A holder below the magazine matrix contains pins in guides aligned with respective magazines, the holder being movable in the direction of the grid to advance the pins into the magazines. Friction between the pins and the holder is adjustable to allow the holder to slide along pins which have pushed their respective stacks to a stop surface in the grid. Preferably, the pins are arranged in rows and a hollow tube passes between the pins, fluid pressure in the tube being varied in order to adjust the level of friction between the pins and the holder. |
