FRONT-END SINGLE-BUCKET LOADER Russian patent published in 1998 - IPC

FIELD: construction machinery and equipment. SUBSTANCE: front-end single-bucket loader has self-propelled chassis with gantry frame, boom lifting hydraulic cylinder, bucket, boom with bucket stabilizing leverage which is made up of levers pivotally mounted on boom. First lever of leverage is installed on top of boom. Bucket turning hydraulic cylinder is installed on first rocking lever. Bucket is pivotally joined with first rocking lever and with bucket turning hydraulic cylinder. Last rocking lever is connected by rod with gantry frame. Hinges which connect bucket turning hydraulic cylinder with first rocking lever, and hinges which connect bucket with bucket turning hydraulic cylinder can be located at minimal distance when bucket is tipped-back. Hinges which connect bucket with first lever and hinges which connect first lever with boom can be located on common geometric axis. First lever can be provided with supporting shoe. Aforesaid embodiment of front-end single-bucket loader possesses wide technological potentialities, high productive capacity, reliability, ample power capacity. EFFECT: higher efficiency. 4 cl, 6 dwg