검색연산자 | 기능 | 검색시 예 |
---|---|---|
() | 우선순위가 가장 높은 연산자 | 예1) (나노 (기계 | machine)) |
공백 | 두 개의 검색어(식)을 모두 포함하고 있는 문서 검색 | 예1) (나노 기계) 예2) 나노 장영실 |
| | 두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색 | 예1) (줄기세포 | 면역) 예2) 줄기세포 | 장영실 |
! | NOT 이후에 있는 검색어가 포함된 문서는 제외 | 예1) (황금 !백금) 예2) !image |
* | 검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색 | 예) semi* |
"" | 따옴표 내의 구문과 완전히 일치하는 문서만 검색 | 예) "Transform and Quantization" |
국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) | B62D-055/04 |
미국특허분류(USC) | 180/92 ; C ; 180/964 ; 305/23 |
출원번호 | US-0571467 (1975-04-25) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 7 인용 특허 : 0 |
A vehicle having a traction apparatus which can be removably attached to the vehicle when the drive wheels thereof have been removed. The apparatus comprises a pair of endless, flexible tracks carried by a number of bogie wheels supported by elongated beam-like members with each track having means for making a driving connection between the adjacent drive axle of the vehicle. The apparatus is suitable for connection to the rear axle of a vehicle and the forward end of the apparatus is provided with means for locking the apparatus in place when the rear e...
In combination: a vehicle having a drive shaft and means for rotating the drive shaft; a traction apparatus having a pair of spaced, endless, flexible tracks, a pair of spaced, elongated side members for each track, respectively, and a number of bogie wheel units for mounting each track, respectively, on the corresponding side members for movement relative thereto; a first crossbar and a second crossbar for each track, respectively, the crossbars being spaced apart and coupled with respective side members adjacent to corresponding ends Thereof for releas...