| 摘要 |
PROBLEM TO BE SOLVED: To provide a table tap which can prevent an inverted attachment of a blade plug-in unit. SOLUTION: On a side wall 3c of the blade plug-in unit 3 on a short side of the blade plug-in unit 3 and on a position deviated to one side from the peripheral center C of the side wall 3c, a projection 3d is formed. Also, an inverted attachment detector 30 is formed which interferes with the projection 3d and prevents the inverted attachment of the blade plug-in unit 3 if it is tried that the blade plug-in unit 3 is attached inversely. Consequently, quick attachment of the blade plug-in unit 3 becomes possible because the trying of the inverted attachment of the blade plug-in unit 3 is detected quickly when the blade plug-in unit 3 is attached quickly at the time of assembling the table tap 1. Therefore, productivity of the table tap 1 is improved. COPYRIGHT: (C)2007,JPO&INPIT
|
