|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||239/728 ; 239/735 ; 305/199 ; 305/178 ; 305/128 ; 305/168 ; 305/195|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 30 인용 특허 : 6|
A drive tower for a self-propelled irrigation system is described which is of the track type. The drive tower includes an elongated frame having opposite ends. A drive pulley is mounted at one end of the frame while a tail pulley is mounted at the other end of the frame. The drive pulley comprises a pair of spaced-apart, disc-shaped plates having spaced-apart rods secured thereto and extending therebetween at the periphery thereof for engagement with the interior surface of the belt. The interior surface of the traction belt is provided with a plurality ...
[ I claim:] [1.] A drive tower for a self-propelled irrigation system, comprising:an elongated, generally horizontally disposed frame having opposite ends;a first drive pulley rotatably mounted, about a horizontal axis, at one end of said frame;a drive motor for rotatably driving said first drive pulley;a second pulley rotatably mounted, about a horizontal axis, at the other end of said frame;a plurality of idler assemblies secured to said frame, between said ends of said frame between said first drive pulley and said second pulley;an endless traction be...