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公开(公告)号:USD1024914S1
公开(公告)日:2024-04-30
申请号:US29852287
申请日:2022-09-06
Applicant: Caterpillar Inc.
Designer: Yingjie Yang , Zhen Li , Fei Wang , Chengliang Shen
Abstract: FIG. 1 is a perspective view of an armrest tray showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.-
公开(公告)号:US20170293283A1
公开(公告)日:2017-10-12
申请号:US15479721
申请日:2017-04-05
Applicant: Caterpillar Inc.
Inventor: Liang Li , Mingsheng Xiao , Zhen Li , Thuong Le
CPC classification number: G05B19/182 , A01B76/00 , E02F9/24 , F16P3/00 , G05B2219/50245
Abstract: The invention relates to a control method for a quick change device of a work tool, comprising the steps of: receiving a command to disengage a work tool clamping device; determining whether the work tool clamping device is in an engaged state; detecting functionality of a disengagement alarm if the work tool is in the engaged state; switching to an emergency state upon the detection of failure of the disengagement alarm. The present invention further relates to a corresponding control apparatus and work machine.
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公开(公告)号:USD997842S1
公开(公告)日:2023-09-05
申请号:US29818561
申请日:2021-12-09
Applicant: Caterpillar Inc.
Designer: Yingjie Yang , Zhen Li , Chengliang Shen , Dongmei Li
Abstract: FIG. 1 is a perspective view of a console cover showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.-
公开(公告)号:US10394215B2
公开(公告)日:2019-08-27
申请号:US15479721
申请日:2017-04-05
Applicant: Caterpillar Inc.
Inventor: Liang Li , Mingsheng Xiao , Zhen Li , Thuong Le
Abstract: The invention relates to a control method for a quick change device of a work tool, comprising the steps of: receiving a command to disengage a work tool clamping device; determining whether the work tool clamping device is in an engaged state; detecting functionality of a disengagement alarm if the work tool is in the engaged state; switching to an emergency state upon the detection of failure of the disengagement alarm. The present invention further relates to a corresponding control apparatus and work machine.
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