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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0641425 (1991-01-14) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 5 인용 특허 : 0 |
A drive assembly has two parallel roller link drive chains which are driven by sprocket drives. The drive chains are transversely connected at spaced intervals by a dog support which has a planar base and two walls which extend upwardly from the base. The rollers of two parallel drive chain links ar
A drive assembly for driving a bi-planar tow chain having a roller rotatable about a horizontal axis; comprising: a) a drive dog having a left side face, a right side face, a front face, and a rear face, wherein the drive dog has a base and two projecting members extending upwardly from the base, th
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