|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||267/289 ; 267/221 ; 305/154|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 8 인용 특허 : 1|
A shock-absorbing device, suitable for use with an idler for a crawler belt, contains a spring box (10) having a flange (12) secured at one end and a bracket (13) secured at the other end, with an annular partition wall (11) extending radially inwardly from a central portion of the wall of the bore of the spring box (10) to form a first spring chamber (16) and a second spring chamber (17) spaced apart along the length of the spring box (10). A first spring (23) and a first spring pushing member (20) are installed in the first spring chamber (16), and a s...
[ That which is claimed:] [16.] A shock-absorbing device which is suitable for connection to an idler guiding a crawler belt, said shock-absorbing device comprising:a first spring and a second spring which are suitable for absorbing an external force applied to the idler;a spring box having a front end and a rear end and a bore having a bore wall extending from said front end to said rear end, said spring box containing said first spring and said second spring, said spring box having a partition wall protruding radially inwardly from and integral with sa...