公开(公告)号：US20090294213A1

公开(公告)日：2009-12-03

申请号：US12471099

申请日：2009-05-22

申请人： In Woo KIM ,  Young Ok PARK

发明人： In Woo KIM ,  Young Ok PARK

IPC分类号： E06C5/00

CPC分类号： B60R3/02 ,  E02F9/00 ,  E02F9/0833 ,  E02F9/24 ,  E06C5/08

摘要： A step apparatus for heavy construction equipment and tree harvester having a leveling system for controlling a horizontal level of a cab and an upper frame is provided, which includes a step protector including a main body fixedly installed on one side of an upper frame, a step guide hole opened from an inside of the main body to an outside, a guide rail formed along a length direction of an inner side wall of the main body, and an insert hole formed on one side of the guide rail and open toward a vertically upward direction of the guide rail; a side step including a plurality of foot steps arranged at specified intervals on a step frame to form stairs, a step drawer formed on an upper part of the step frame and seated in the step guide hole, and a guide pin positioned adjacent to the step drawer and projected toward the side wall of the main body, wherein when the guide pin is slid along the guide rail, the step frame is seated in the main body or is drawn out from the inside of the main body; and a folding actuator including a cylinder rod coupled to the step drawer to be extended and contracted, the folding actuator drawing the step drawer to the inside of the main body of the step protector.

摘要翻译： 本发明提供一种具有用于控制驾驶室和上部框架的水平面的调平系统的重型施工设备和树木收割机的步骤装置，其包括步骤保护器，该步进保护器包括固定地安装在上部框架的一侧上的主体，步骤 导向孔从主体的内部向外侧开口，沿着主体的内侧壁的长度方向形成的导轨以及形成在导轨的一侧上并朝向上方开口的插入孔 导轨方向; 侧台阶，其包括在台阶框架上以规定的间隔布置以形成楼梯的多个脚踏台;形成在台阶框架的上部并且位于台阶导向孔中的台阶抽屉，以及与步骤 抽屉并朝向主体的侧壁突出，其中当导销沿着导轨滑动时，台阶框架位于主体中或从主体的内部被拉出; 以及折叠致动器，其包括联接到所述台阶抽屉以被延伸和收缩的缸杆，所述折叠致动器将所述台阶抽屉拉到所述台阶保护器的主体的内部。

公开(公告)号：US1497091A

公开(公告)日：1924-06-10

申请号：US60193622

申请日：1922-11-18

申请人： DAHILL EDWARD F

发明人： DAHILL EDWARD F

IPC分类号： E06C5/08

CPC分类号： E06C5/08

公开(公告)号：US20140174852A1

公开(公告)日：2014-06-26

申请号：US14189479

申请日：2014-02-25

申请人： VOLVO CONSTRUCTION EQUIPMENT HOLDING SWEDEN AB

发明人： In Woo Kim ,  Young Ok Park

IPC分类号： B60R3/02 ,  E02F9/08

CPC分类号： B60R3/02 ,  E02F9/00 ,  E02F9/0833 ,  E02F9/24 ,  E06C5/08

摘要： A step apparatus for heavy construction equipment and tree harvester having a leveling system for controlling a horizontal level of a cab and an upper frame is provided, which includes a step protector including a main body fixedly installed on one side of an upper frame, a step guide hole opened from an inside of the main body to an outside, a guide rail formed along a length direction of an inner side wall of the main body, and an insert hole formed on one side of the guide rail and open toward a vertically upward direction of the guide rail; a side step including a plurality of foot steps arranged at specified intervals on a step frame to form stairs, a step drawer formed on an upper part of the step frame and seated in the step guide hole, and a guide pin positioned adjacent to the step drawer and projected toward the side wall of the main body, wherein when the guide pin is slid along the guide rail, the step frame is seated in the main body or is drawn out from the inside of the main body; and a folding actuator including a cylinder rod coupled to the step drawer to be extended and contracted, the folding actuator drawing the step drawer to the inside of the main body of the step protector.

摘要翻译： 本发明提供一种具有用于控制驾驶室和上部框架的水平面的调平系统的重型施工设备和树木收割机的步骤装置，其包括步骤保护器，该步进保护器包括固定地安装在上部框架的一侧上的主体，步骤 导向孔从主体的内部向外侧开口，沿着主体的内侧壁的长度方向形成的导轨以及形成在导轨的一侧上并朝向上方开口的插入孔 导轨方向; 侧台阶，其包括在台阶框架上以规定的间隔布置以形成楼梯的多个脚踏台;形成在台阶框架的上部并且位于台阶导向孔中的台阶抽屉，以及与步骤 抽屉并朝向主体的侧壁突出，其中当导销沿着导轨滑动时，台阶框架位于主体中或从主体的内部被拉出; 以及折叠致动器，其包括联接到所述台阶抽屉以被延伸和收缩的缸杆，所述折叠致动器将所述台阶抽屉拉到所述台阶保护器的主体的内部。

公开(公告)号：US08689939B2

公开(公告)日：2014-04-08

申请号：US12471099

申请日：2009-05-22

申请人： In Woo Kim ,  Young Ok Park

发明人： In Woo Kim ,  Young Ok Park

IPC分类号： E06C5/00

CPC分类号： B60R3/02 ,  E02F9/00 ,  E02F9/0833 ,  E02F9/24 ,  E06C5/08

摘要： A step apparatus for heavy construction equipment and tree harvester having a leveling system for controlling a horizontal level of a cab and an upper frame is provided, which includes a step protector including a main body fixedly installed on one side of an upper frame, a step guide hole opened from an inside of the main body to an outside, a guide rail formed along a length direction of an inner side wall of the main body, and an insert hole formed on one side of the guide rail and open toward a vertically upward direction of the guide rail; a side step including a plurality of foot steps arranged at specified intervals on a step frame to form stairs, a step drawer formed on an upper part of the step frame and seated in the step guide hole, and a guide pin positioned adjacent to the step drawer and projected toward the side wall of the main body, wherein when the guide pin is slid along the guide rail, the step frame is seated in the main body or is drawn out from the inside of the main body; and a folding actuator including a cylinder rod coupled to the step drawer to be extended and contracted, the folding actuator drawing the step drawer to the inside of the main body of the step protector.

摘要翻译： 本发明提供一种具有用于控制驾驶室和上部框架的水平面的调平系统的重型施工设备和树木收割机的步骤装置，其包括步骤保护器，该步进保护器包括固定地安装在上部框架的一侧上的主体，步骤 导向孔从主体的内部向外侧开口，沿着主体的内侧壁的长度方向形成的导轨以及形成在导轨的一侧上并朝向上方开口的插入孔 导轨方向; 侧台阶，其包括在台阶框架上以规定的间隔布置以形成楼梯的多个脚踏台;形成在台阶框架的上部并且位于台阶导向孔中的台阶抽屉，以及与步骤 抽屉并朝向主体的侧壁突出，其中当导销沿着导轨滑动时，台阶框架位于主体中或从主体的内部被拉出; 以及折叠致动器，其包括联接到所述台阶抽屉以被延伸和收缩的缸杆，所述折叠致动器将所述台阶抽屉拉到所述台阶保护器的主体的内部。