| 摘要 |
31 LOCK FOR SECURING WEAR PARTS TO EARTH-WORKING EQUIPMENT ABSTRACT 5 A LOCK FOR SECURING A WEAR PART TO EARTH-WORKING EQUIPMENT THAT IS FOLDABLE BETWEEN A RETAINING POSITION TO HOLD THE WEAR PART TO THE EQUIPMENT AND A RELEASE POSITION THAT PERMITS REMOVAL OF THE LOCK AND RELEASE OF THE WEAR PART FROM THE EQUIPMENT. THE LOCK INCLUDES A RETAINER FOR RELEASABLY HOLDING THE LOCK IN THE RETAINING POSITION. THE RETAINER MAY COMPRISE A THREADED WEDGE RECEIVED INTO A COMPLEMENTARY THIEADED PASSAGE. 10 (PIG. 1)
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