New attachment for spraying tunnel walls - is pivoted to swing from transport position to working position alongside tractor

摘要

The attachment is for spraying tunnel walls, it can be swung through one 180 deg. from a transport position to a working position where it lies parallel alongside the tractor which pulls it. Its transport position is in line with and behind the tractor, and the change of position is achieved by a forwards or reverse movement of the tractor with appropriate steering. Important characteristics are a console bracket (C), a pivot and coupler (G,F), three rollers (A) and a link arm (E). USE/ADVANTAGE - Tunnel wall spraying device is cheap to produce and is easy and trouble free in operation.