| 摘要 |
The present invention relates to a triple safety device for a quick coupler, preventing, in advance, a fixing hook and an attachment pin from being randomly separated. According to the present invention, the triple safety device for a quick coupler comprises a quick coupler body (100), the fixing hook (110), a hitch (120), and a locking means (300). The locking means (300) comprises a fixing member (310), a compression spring (320), a tension spring (330), a separation preventing block (340), a moving guide (350), a guide protrusion (360), and a stopper (370). |
