| 摘要 |
Cylindrical portions 34 are formed on a leg plate 20 side of plural opposition walls 32 formed on a sensor holder 24 . Pins 40 are formed coaxially with the cylindrical portions 34 on the side of the opposition walls 32 opposite from the side facing the leg plate 20 . When a sensor cover 44 is to be attached to the leg plate 20 in a state where the cylindrical portions 34 have been fittingly inserted into through holes 38 in the leg plate 20 , cross ribs 56 formed on the sensor cover 44 in correspondence to the pins 40 push the pins 40 and cause them to enter the cylindrical portions 34 . Thus, the diameters of the cylindrical portions 34 are expanded, whereby the sensor holder 24 is fastened/fixed to the leg plate 20. |
