| 摘要 |
PROBLEM TO BE SOLVED: To save the trouble of making a worker directly visually confirm an insertion state, while surely holding a fixing pin of a quick coupler of a work vehicle in "a fixing position" inserted into a work tool for detachably connecting the work tool by insertion-extraction of the fixing pin by an operation lever. SOLUTION: This quick coupler 22 has a coupler body 24 installed in the work vehicle, the fixing pin 30 provided in the coupler body 24 and insertably-extractably inserted into the work tool, the operation lever 32 operating the fixing pin 30 in "the fixing position" inserted into the work tool and "a releasing position" extracted from the work tool, and a locking means 34 releasably locking the movement of the fixing pin in the direction of "the releasing position" from "the fixing position" by releasably engaging with the fixing pin. COPYRIGHT: (C)2007,JPO&INPIT
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