Hand operated power tool e.g. nut runner, impact screwdriver, has adjustable wheel with lighting screen provided at free end of handle

摘要

An adjustable wheel (26) with lighting screen (36) is provided at the free end of a handle (14). The directions of light rays (60,62,64) emitted from the screen can be adjusted to the tool intervention or workpiece sending orientation by turning the wheel. The screen is connected to a lighting setting with circuit breaker.