| 摘要 |
<p>A fastener assembling apparatus has a safety device including a vertical elongate rod (31) vertically movably supported by a reciprocable ram (25) and having a feeler (32) disposed adjacent to the path of movement of a punch (29) carried on the ram, the rod being normally urged downwardly toward a lowermost position in which the feeler is disposed adjacent to a die (48) of the apparatus, and an actuator (20) operatively connected with a sensor (47) and a ram-driving means (19) for activating the ram-driving means only when the arrival of the rod at the lowermost position is detected by the sensor, thus avoiding any accident that the operator's finger could be inadvertently jammed between the punch and die. A stopper lever (37) is pivotably connected to the rod and normally urged toward a locking position in which the stopper is held in interlocking engagement with an abutment (39) disposed on the ram, the stopper lever being driven by a further actuator (41) to turn to a releasing position in which the stopper lever is disengaged from the abutment, thereby permitting downward movement of the rod. </p> |
