公开(公告)号：US3423853A

公开(公告)日：1969-01-28

申请号：US3423853D

申请日：1966-08-01

Applicant: CATERPILLAR TRACTOR CO

Inventor： EFTEFIELD LARRY G ,  LIESS RICHARD K ,  MILLER LAWRENCE J ,  WAGNER ERNEST W

IPC: E02F3/64 ,  E02F3/76

CPC classification number: E02F3/655 ,  E02F3/6481

公开(公告)号：US3471951A

公开(公告)日：1969-10-14

申请号：US3471951D

申请日：1966-09-28

Applicant: CATERPILLAR TRACTOR CO

Inventor： DEBOEUF JAMES L ,  EFTEFIELD LARRY G ,  MOSER RAYMOND L ,  WAGNER ERNEST W

IPC: E02F3/64 ,  E02F3/81 ,  E02F3/85

CPC classification number: E02F3/6472 ,  E02F3/64 ,  E02F3/656

公开(公告)号：US3555710A

公开(公告)日：1971-01-19

申请号：US3555710D

申请日：1968-07-23

Applicant: CATERPILLAR TRACTOR CO

Inventor： ERICKSON VICTOR H ,  BARNES ROY J ,  WAGNER ERNEST W

IPC: E02F3/64

CPC classification number: E02F3/658 ,  E02F3/6481 ,  E02F3/656

Abstract: IN THE BOWL OF AN EARTHMOVING SCRAPER IN WHICH THE EJECTION OF THE BOWL CONTENTS IS ACCOMPLISHED BY PIVOTING THE FLOOR OF THE BOWL TOWARD A VERTICAL PLANE, A CLEANER BLADE SUPPORTED TO REST BY GRAVITY ON THE BOWL FLOOR AND RESTRAINED AGAINST MOVEMENT WITH THE FLOOR SO THAT MOVING THE FLOOR CAUSES THE BLADE TO TRANSVERSE ITS SURFACE AND THUS CLEAN THEREFROM STICKY EARTH WHICH TENDS TO ADHERE TO THE FLOOR.

公开(公告)号：US2952346A

公开(公告)日：1960-09-13

申请号：US79606159

申请日：1959-02-27

Applicant: CATERPILLAR TRACTOR CO

Inventor： COSTA PHILIP J ,  WAGNER ERNEST W ,  STAFFORD DARRELL E ,  LAMPORT IVAN R ,  RANDOLPH EDWARD F

IPC: B60K20/00

CPC classification number: B60W30/18 ,  B60W10/02 ,  B60W10/10 ,  B60W2710/1005 ,  Y10S74/06 ,  Y10T74/18184 ,  Y10T74/19167 ,  Y10T74/19247 ,  Y10T74/19265 ,  Y10T74/19284 ,  Y10T74/19433 ,  Y10T74/19437 ,  Y10T477/6424 ,  Y10T477/6425