Abstract: An apparatus for fixing a workpiece by a magnetic force includes a carrier and a fixing unit. The carrier is made of a magnetic material. The fixing unit is disposed on the workpiece, fixing the workpiece on the carrier. The fixing unit includes a supporting portion, a magnet and a connecting portion. The magnet is disposed in the supporting portion. The connecting portion is connected to the supporting portion and is used for being joined to the workpiece. The fixing unit is fixed on the carrier by a magnetic force, for fixing the workpiece on the carrier.

Abstract: A shockproof locking assembly device including a hole, a slot and a vibration absorbing locking device is provided. The vibration absorbing locking device includes a locking element and a vibration absorbing element. The locking element includes a head portion and a shaft portion. The shaft portion extends from the head portion for locking into the hole. The vibration absorbing element encompasses part of the locking element for the shaft portion to penetrate the vibration absorbing element. The vibration absorbing element penetrates the slot.