发明名称 Connecting device for a gardening tool
摘要 A connecting device for gardening tool has a locking sleeve with a screw bolt and a tool head connector firmly secured in the locking sleeve by inserting the cubic part of the connector into the cubic portion of the locking sleeve and screwing the screw bolt on the locking sleeve. The connecting device allows gardening tool heads to be changed easily and conveniently to satisfy different requirements.
申请公布号 US6485031(B2) 申请公布日期 2002.11.26
申请号 US20010845443 申请日期 2001.04.30
申请人 CHEN WEN-CHUN 发明人 CHEN WEN-CHUN
分类号 A01B1/22;B25G3/26;(IPC1-7):B23B31/107 主分类号 A01B1/22
代理机构 代理人
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