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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||305/11 ; 305/53 ; 305/57 ; 474/92|
|발명자 / 주소||
|출원인 / 주소||
|인용정보||피인용 횟수 : 16 인용 특허 : 2|
A drive system comprising an endless tread belt made up of identical tread belt links and a cooperating drive tumbler is disclosed. The link is formed with a ground engaging bottom face, a drive wheel engaging top face, and connecting ears along its forward and aft sides which are suitable to interdigit with the ears of other links so as to form a belt. The link also has a guiding cog rising upwardly from the central region of the top face, a bearing surface on each lateral side of the guiding cog, aligned drive surfaces on the forward and aft sides of t...
In a tread belt drive the combination of: a tumbler wheel having a segmented rim, the rim having its segments alternately offset laterally from one another to form two rows of rim segments in which the segments of each row are circumferentially spaced from one another; a plurality of driving teeth positioned between the rows, the teeth projecting radially outwardly therefrom and being in locations alongside the termini of said rim segments; at least one of said teeth being positioned relative to said rim segments such that it has a rim segment on at leas...