Groove miller for walls and ceilings - driven from electric hand drill

摘要

Wall groove miller for automatic milling of walls and ceilings has an electric drive via an electric hand drill. Preferably the drive is via a drive rod with crown gear-wheel. More partic. laborious chiselling is no longer required for e.g. laying cables. A uniform depth is obted., and can be altered by changing the milling cutters. The appts. will fit any drill chuck. The amt. of work is reduced by a factor of 8. The miller could also be provided with a vacuum cleaner, which could be connected via the cavity of the handle. The milling head is provided with a square spindle which has a steel spring, and the two associated driving wheels have a floating spindle.