公开(公告)号：US20210179210A1

公开(公告)日：2021-06-17

申请号：US16713726

申请日：2019-12-13

Applicant: Caterpillar Inc.

Inventor： David Jennings Hakes

IPC: B62D55/14 ,  B62D55/21 ,  B62D55/15 ,  B62D55/28 ,  B62D55/20

Abstract: A ground-engaging track system includes a track having a first track chain and a second track chain, and an idler having pockets formed in an outer idler rim to receive inboard rail protrusions on track links in the first track chain and the second track chain. The inboard rail protrusions project from an inboard link side, and a central pad of an upper rail surface in the track link includes an anti-scalloping bump-out formed on the inboard rail protrusion.

公开(公告)号：US20180319448A1

公开(公告)日：2018-11-08

申请号：US15943950

申请日：2018-04-03

Applicant: Caterpillar Inc.

Inventor： Gustavo Acosta ,  David Jennings Hakes ,  Benoit Abello ,  Benjamin Isaac Jones

IPC: B62D55/21 ,  B62D55/20 ,  B62D55/26 ,  B62D55/14

CPC classification number: B62D55/21 ,  B62D55/14 ,  B62D55/20 ,  B62D55/202 ,  B62D55/26

Abstract: A track chain member comprises a shoe member defining a track chain traveling direction and a lateral direction perpendicular to the track chain traveling direction and a first rib defining a first concave radial portion.

公开(公告)号：US12286174B2

公开(公告)日：2025-04-29

申请号：US17477042

申请日：2021-09-16

Applicant: Caterpillar Inc.

Inventor： David Jennings Hakes ,  Eric James Johannsen

IPC: B62D55/096 ,  B62D55/10 ,  B62D55/15

Abstract: A roller mounting assembly for a ground-engaging track system includes a frame, and a roller block coupled to the frame and including a shaft support surface extending through the roller block. The roller mounting assembly further includes a damper resiliently deformable, relative to the roller block, to dampen loads transmitted between the roller block and the frame. Embodiments of a roller block assembly and a damping shim assembly are also disclosed.

公开(公告)号：US12172716B2

公开(公告)日：2024-12-24

申请号：US17372077

申请日：2021-07-09

Applicant: Caterpillar Inc.

Inventor： Gennaro Suanno ,  David Jennings Hakes ,  Lewis Clinton Hunt

IPC: B62D55/092 ,  B62D55/088 ,  B62D55/14

Abstract: A track roller includes a roller shell, a roller shaft extending through the roller shell, and a collar. The collar includes a center body interference-fitted upon the roller shaft, and a seal carrier. A clearance extends radially between a center body outer surface and a face seal assembly held in axial compression between the seal carrier and the roller shell. An oil void is formed in the center body and fluidly connected to the clearance to provide an increased oil volume for lubrication and heat-dissipation.

公开(公告)号：US20230010629A1

公开(公告)日：2023-01-12

申请号：US17372077

申请日：2021-07-09

Applicant: Caterpillar Inc.

Inventor： Gennaro Suanno ,  David Jennings Hakes ,  Lewis Clinton Hunt

IPC: B62D55/092 ,  B62D55/088 ,  B62D55/14

Abstract: A track roller includes a roller shell, a roller shaft extending through the roller shell, and a collar. The collar includes a center body interference-fitted upon the roller shaft, and a seal carrier. A clearance extends radially between a center body outer surface and a face seal assembly held in axial compression between the seal carrier and the roller shell. An oil void is formed in the center body and fluidly connected to the clearance to provide an increased oil volume for lubrication and heat-dissipation.

公开(公告)号：US20210129929A1

公开(公告)日：2021-05-06

申请号：US17145878

申请日：2021-01-11

Applicant: Caterpillar Inc.

Inventor： Gustavo Acosta ,  David Jennings Hakes ,  Benoit Abello ,  Benjamin Isaac Jones ,  Udo Nott

IPC: B62D55/20 ,  B62D55/26 ,  B62D55/21

Abstract: A track chain assembly comprises a plurality of interlocking track chain members wherein each track chain member defines a track chain traveling direction, a lateral direction perpendicular to the track chain traveling direction, and includes a shoe member defining a shoe width along the lateral direction; and a first track pad member defining a first track pad maximum width along the lateral direction, and a second track pad member defining a second maximum track pad width along the lateral direction, wherein a ratio of either track pad maximum widths to the shoe member width ranges from 1:4 to 3:4. The first and the second track pad members each include a first projection disposed at one lateral extremity of the first track pad member and a second projection disposed at another lateral extremity of the second track pad member.

公开(公告)号：US10800019B2

公开(公告)日：2020-10-13

申请号：US15943974

申请日：2018-04-03

Applicant: Caterpillar Inc.

Inventor： Gustavo Acosta ,  David Jennings Hakes ,  Benoit Abello ,  Benjamin Isaac Jones ,  Jason Randall Beckerdite

IPC: B62D55/26 ,  B62D55/21 ,  B62D55/20 ,  B25B27/22 ,  B62D55/32 ,  B62D55/14

Abstract: A track chain member comprising a shoe member defining a track chain traveling direction and a lateral direction, the shoe member further defining a first lateral end, a second lateral end, and a ground engaging surface spanning from the one end to the other end; wherein the shoe member further defines a first side void proximate the first lateral end, a second side void proximate the second lateral end, and the first side void terminates a first predetermined distance from the first lateral end and the second side void terminates a second predetermined distance from the second lateral end.

公开(公告)号：US20180319445A1

公开(公告)日：2018-11-08

申请号：US15943838

申请日：2018-04-03

Applicant: Caterpillar Inc.

Inventor： Gustavo Acosta ,  David Jennings Hakes ,  Benoit Abello ,  Benjamin Isaac Jones ,  Udo Nott

IPC: B62D55/20 ,  B62D55/14 ,  B62D55/21 ,  B62D55/26

CPC classification number: B62D55/202 ,  B62D55/14 ,  B62D55/20 ,  B62D55/21 ,  B62D55/26

Abstract: A track chain member comprises a shoe member, and a first rail member extending from the shoe member, wherein the first rail member defines a track chain traveling direction and a lateral direction generally perpendicular to track chain traveling direction, a first support surface extending generally in both the track chain traveling direction and the lateral direction defining an outer lateral extremity, and a first crest shaped member disposed laterally adjacent the outer lateral extremity of the first support surface.

公开(公告)号：US11731716B2

公开(公告)日：2023-08-22

申请号：US16713726

申请日：2019-12-13

Applicant: Caterpillar Inc.

Inventor： David Jennings Hakes

IPC: B62D55/14 ,  B62D55/15 ,  B62D55/20 ,  B62D55/21 ,  B62D55/06 ,  B62D55/08 ,  B62D55/28

CPC classification number: B62D55/14 ,  B62D55/06 ,  B62D55/15 ,  B62D55/202 ,  B62D55/21 ,  B62D55/28 ,  B62D55/08

Abstract: A ground-engaging track system includes a track having a first track chain and a second track chain, and an idler having pockets formed in an outer idler rim to receive inboard rail protrusions on track links in the first track chain and the second track chain. The inboard rail protrusions project from an inboard link side, and a central pad of an upper rail surface in the track link includes an anti-scalloping bump-out formed on the inboard rail protrusion.

公开(公告)号：US20230018696A1

公开(公告)日：2023-01-19

申请号：US17372120

申请日：2021-07-09

Applicant: Caterpillar Inc.

Inventor： Eric J. Johannsen ,  David Jennings Hakes

IPC: B62D55/15

Abstract: A ground-engaging track system includes a center tread idler having an inner surface defining an idler axis of rotation, and an outer tread surface. The ground-engaging track system further includes a track contacted by the idler between parallel track chains and defining a track pitch dimension. The outer tread surface defines an outer diameter dimension, and a ratio of the track pitch dimension to the outer diameter dimension is between 28% and 37%. The outer diameter dimension may be one of the outer diameters of Table 1. The idler and track contact during service at fixed bushing-idler contact locations so as to bias wearing away material of the idler to form pockets imparting a sprocketed configuration to the idler during service.