|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B60K-017/10 B60K-017/00 B62D-011/00|
|미국특허분류(USC)||180/367; 180/305; 180/006.2|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 8 인용 특허 : 100|
A driving apparatus for speed changing and steering of a vehicle consists of a first driving unit for speed changing in advancing and reversing and a second driving unit for steering, which are arranged in a longitudinal row and are attached to a vehicle chassis. Each of the first driving unit and the second driving unit has a common structure, which comprises a housing and an HST and left and right differential output shafts contained in the housing. A left first differential output shaft and a left second differential output shaft are connected with ea...
1. A riding lawn mower comprising:an engine; a vertical output shaft of said engine; left and right driving wheels; a first stepless transmission for rotating said left and right driving wheels in the same forward or backward direction; a vertical first input shaft of said first stepless transmission; a second stepless transmission for differentially rotating said left and right driving wheels; and a vertical second input shaft of said second stepless transmission. 2. The riding mower as set forth in claim 1, further comprising:a hydrostatic transmission...