发明名称 Nail locating device with magnet supporting indicator rod mounted in a ball socket
摘要 A nail locating device includes a seat, a coupling member and an indicating rod. The seat is adapted to be moved on a surface of a board into which a nail has been driven, and has an open upper end portion and an open lower end portion. The seat further has an intermediate portion between the upper and lower end portions and is formed with a ball socket therein. The coupling member has a ball portion hinged to the seat in the ball socket. The indicating rod is received in the seat and extends from the upper end portion, through the ball portion of the coupling member, and into the lower end portion of the seat. The indicating rod has a bottom end provided with a magnet that is adapted to be attracted to the nail such that the indicating rod pivots in the seat due to attraction of the magnet to the nail in order to indicate the location of the nail in the board.
申请公布号 US6087824(A) 申请公布日期 2000.07.11
申请号 US19980048892 申请日期 1998.03.27
申请人 SHIAO, HSUAN-SEN 发明人 SHIAO, HSUAN-SEN
分类号 G01V3/00;G01V3/08;(IPC1-7):G01R33/00;G01D5/12;G01V3/165 主分类号 G01V3/00
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