|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||305/160 ; 305/178 ; 305/199 ; 305/114 ; 305/165 ; 305/193 ; 305/115|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 37 인용 특허 : 3|
A crawler belt apparatus includes a drive wheel having engaging teeth, a crawler belt having engaging projections engageable with the engaging teeth, and a plurality of discharge passages formed between root bottoms defined by the engaging projections, and top ends of the engaging teeth, for discharging foreign substances such as dirt and sand entered between the root bottoms and the top ends. The foreign substances passing through the discharge passages are not compressed by the drive wheel and hence do not become a solid mass.
[ What is claimed is:] [1.] A crawler belt apparatus, comprising:a drive wheel having a plurality of engaging teeth disposed on opposite side surfaces thereof at a predetermined interval closely to and along a periphery thereof, said teeth each extending outwardly from said opposite side surfaces and having top ends;a crawler belt trained around said drive wheel and having two parallel rows of engaging projections disposed on an inner peripheral surface thereof along the length thereof and being engageable with said engaging teeth, said crawler belt havi...