Patent ID: 8308080

Claim:
A spreader unit for spreading deicer on a pavement, and comprising: at least one supporting arm having a casing connected to a rigid structure of said spreader unit, a sliding arm member connected telescopically to said casing, and at least one telescopic pipe for said deicer and defining a connecting port connectable to a spreader assembly for spreading said deicer, wherein said telescopic pipe comprises a sleeve and a sliding pipe member extractable from said sleeve by means of said sliding arm member and defining a pipe connected to said connecting port, characterized in that said telescopic pipe comprises: first sealing means fixed with respect to said sleeve and cooperating with said sliding pipe member; second sealing means fixed with respect to said sliding pipe member and cooperating with said sleeve; an inlet port defined by said sleeve; and fluidic connecting means for connecting a first chamber, defined between said second sealing means and said inlet port, to a second chamber defined between said first and second sealing means; and wherein said inlet port and said connecting port are in direct fluid communication by an axial passage of said sliding pipe member.