|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 3 인용 특허 : 5|
A track frame structure which can increase a crawler actual ground contact length (L0) from a first track roller to an endmost track roller without increasing a whole length of a traveling apparatus. A notch portion (2a) having a size not contacting with an endmost track roller (6r) is formed in a portion facing to the track roller (6r) in a side of a crawler drive wheel (8) of a joint plate (2) provided so as to close one end portion in a longitudinal direction of a track frame (1), and the endmost track roller (6r) is arranged close to a side of the cr...
1. A track frame structure in which a mounting frame assembly of a crawler drive reduction gear with a hydraulic motor is mounted to an end portion of a track frame of a crawler-type construction machine via a joint plate, wherein a notch portion notched so as to have a size to which a roller portion of a track roller is inserted, is provided in a lower side portion of said joint plate, and the roller portion of the track roller mounted to a rearmost end side of the track frame is inserted and mounted within said notch portion, whereby the track rolle...