Improvements relating to suction nozzles for suction road sweepers

摘要

1,108,184. Road sweeping machine. DEIGHTON'S PATENT FLUE & TUBE CO. Ltd. and L. H. RIDDELL. 13 May, 1965 [14 May, 1964], No. 20034/64. Heading E1G. The brush of a suction road sweeping machine is attached close to the forward side of the nozzle and common lifting means for the brush and nozzle is provided. There may be more than one rotating brush carried in bearings mounted on parallel swinging arms pivoted on the top plate of the nozzle base. One arm has a counterweight which limits the upward movement of the brush relative to the nozzle under the action of a lifting rope attached to the upper swinging link.