Seal structure of operating lever and power tool using the same

摘要

The present invention provides a highly reliable operating-lever sealing structure having a long surface distance between a sealing ring 86 and a housing 11. The operating-lever sealing structure is applied to a sealing structure of an operating lever 80 that is turnably attached to the housing of a trigger switch. A shaft portion 85 projected immediately below a guard portion 80a of the operating lever is turnably supported in an operation hole 22 made in a bottom surface of a fitting recess 21 of the housing, and the sealing ring is sandwiched between the bottom surface of the fitting recess and a ceiling surface of the guard portion of the operating lever.