EXCAVATOR EQUIPMENT Russian patent published in 1995 - IPC

FIELD: earth-moving machines. SUBSTANCE: excavator equipment includes dipper stick, bucket connected pivotally to dipper stick and ripper mounted pivotally on bucket axle. Eyelets are fastened to lower sides of dipper stick and ripper. Mounted on rear part of bucket are retainers. Body of each retainer has cover, thrust bushing and shaft. One end of shaft is connected with drive handle. Second end of shaft is thread-connected with pin mounted in body recess for alternating engagement with eyelets of dipper stick and ripper. EFFECT: improved efficiency. 5 dwg