| 摘要 |
<p>PROBLEM TO BE SOLVED: To facilitate the exchange of a protective mounting member and the mounting and locking works by providing an opening for receiving a lock member in an upper part of the mounting member. SOLUTION: A lock member 38 is mounted in an opening 39 of an upper leg part 31 to lock a mounting member for protecting a digging end of an excavator A block 42 for lock member is formed by a slot 43 at one end and an arclike face 44 at the other end and is received into a slot part 43. A latch assembly body has an elastic body 46 bonded on a steel latch element 47. Furthermore, in the slot part 43, a top part for receiving a follow-up rib part 49 which is erected straight of the latch assembly body 45 and a recessed part 48 in a bottom part are formed. Furthermore, the slot part 43 is provided with an arclike inner end part 50 so that it receives a shape part of the latch assembly body 45. The lock member and the latch assembly body are manufactured as one unit by combining them by using a soft material such as rubber.</p> |
