|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 6|
A manually operable push-type topdresser includes a reciprocating screen apparatus at the bottom of a material hopper that is operable to reduce the particulate material within the hopper to a uniform size before discharging the particulate material onto the surface of the ground. The topdresser includes a ground drive mechanism to power the reciprocation of an upper screen member when the topdresser is moved. The drive mechanism includes a front drive wheel mounted on one end of an axle and a freely rotatable wheel mounted on the opposing end of the axl...
1. A topdresser for spreading particulate material over the surface of the ground comprising: a wheeled frame adapted for movement over the ground, said frame including an axle having mounted thereon a pair of ground engaging wheels to support said frame above the ground, said pair of ground engaging wheels including a drive wheel;a hopper supported on said frame for carrying a supply of particulate material over the ground;a reciprocating screen mechanism supported on said frame below the hopper to engage particulate material within the hopper for disch...