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公开(公告)号：US20210237233A1
公开(公告)日：2021-08-05
申请号：US16778802
申请日：2020-01-31
申请人： Caterpillar Inc.
IPC分类号： B25B13/50
摘要： A wrench for tightening and loosening lug nuts may include a head disposed on a distal end of a handle. The head defines a curved inner surface facing an axis and an opening configured to receive a portion of a lug. One or more supports are formed on the curved inner surface, extending toward the axis. The supports are spaced from the opening and are configured to contact an outer surface of the lug with the portion of the lug received in the opening.
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公开(公告)号：US20210062927A1
公开(公告)日：2021-03-04
申请号：US16552628
申请日：2019-08-27
申请人： Caterpillar Inc.
摘要： A pressure relief valve may include a housing and a seat portion in flow communication with an inlet passage. The pressure relief valve may also include a relief body configured to abut the seat portion and provide a fluid seal between the inlet passage and an outlet passage, and a keeper abutting the relief body. The pressure relief valve may also include an intermediate sleeve coupled to the housing and at least one waveform spring configured to abut the keeper and resist movement of the relief body and the keeper away from the seat portion, such that the relief body prevents flow communication between the inlet passage and the outlet passage. The pressure relief valve may further include an end cap including a shoulder abutting the end surface of the intermediate sleeve and a reaction surface against which an end of the at least one waveform spring abuts.
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公开(公告)号：US11420307B2
公开(公告)日：2022-08-23
申请号：US16778802
申请日：2020-01-31
申请人： Caterpillar Inc.
IPC分类号： B25B13/50
摘要： A wrench for tightening and loosening lug nuts may include a head disposed on a distal end of a handle. The head defines a curved inner surface facing an axis and an opening configured to receive a portion of a lug. One or more supports are formed on the curved inner surface, extending toward the axis. The supports are spaced from the opening and are configured to contact an outer surface of the lug with the portion of the lug received in the opening.
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公开(公告)号：US20220178490A1
公开(公告)日：2022-06-09
申请号：US17247256
申请日：2020-12-04
申请人： Caterpillar Inc.
IPC分类号： F16L57/06 , F16L19/02 , F16L19/025
摘要： A fluid conduit system a first conduit section having a first conduit bore extending from a first end of the first conduit section to a second end of the first conduit section, the first conduit bore including a first beveled surface proximate the first end of the first conduit section. The fluid system also includes a second conduit section coupled to the first conduit section and having a second conduit bore extending from a first end of the second conduit section to a second end of the second conduit section, the second conduit bore including a second beveled surface proximate the first end of the second conduit section. The fluid system further includes a coating applied to the first beveled surface and to the second beveled surface.
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