HAMMERLOCK CHUCK

专利名称：HAMMERLOCK CHUCK发明人：YANG, GUIMO,TAN, XINGDA申请号：EP02740197申请日：20020531公开号：EP1423223A4公开日：20070613

摘要：A chuck for use with a manual or powered driver that may also be used forhammer drilling. The chuck is constructed so that during normal operation for its

intended purpose, the jaws holding a shaft for a tool do not loosen. The chuck includes atleast one pawl to engage teeth on a gear ring such that rotation of a ring driver in a jawgripping direction causes the gear ring to rotate. When the jaws tightly grip the shaft, thegear ring will frictionally engage a portion of the chuck so that the gear ring is

rotationally locked to the chuck body. At the same time, the pawl engages the gear ringis rotationally locked to the chuck body. At the same time, the pawl engages the gearring such that rotation of the ring driver and thus movement of the jaws in a non-jawgripping direction is prevented during normal use of the hammerlock chuck.

申请人：SHANDONG WEIDA MACHINERY CO., LTD

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