The present invention relates the spreader assembly (100) includes the hopper (102) adapted to contain the material. The hopper (102) includes the feed opening (124) for selectively discharging the material. The spreader assembly (100) further includes the pair of wheels (118) connected to the hopper (102). The spreader assembly (100) further includes the roller (114, 614, 714, 814, 914, 1014) configured to connect with the pair of wheels (118). The roller (114, 614, 714, 814, 914, 1014) includes the plurality of fins (130) and the elongated tubular member (132). The fins (130) extend radially from the outer surface (144) of the elongated tubular member (132). Each fin of the plurality of fins (130) includes the rigid portion and the resilient portion connected to the rigid portion.本發明係關於一種撒播機總成(100)，包括適合於容納物料的料斗(102)。該料斗(102)包括用於選擇性排放物料的送料開口(124)。該撒播機總成(100)進一步包括與該料斗(102)連接的一對輪子(118)。該撒播機總成(100)進一步包括滾輪(114、614、714、814、914、1014)，被配置以與該對輪子(118)連接。該滾輪(114、614、714、814、914、1014)包括複數個鰭片(130)以及一長形管狀構件(132)。該等鰭片(130)從該長形管狀構件(132)的外表面(144)徑向延伸。該等鰭片(130)中的每一個包括剛性部分以及與該剛性部分連接的彈性部分。
