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Seal assembly for track joint assembly of chassis

A technology for sealing components and sealing components, which is used in the sealing of engines, tracked vehicles, bearing components, etc., and can solve problems such as reduced machine productivity.

Active Publication Date: 2017-09-12
CATERPILLAR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Such downtime events can result in a significant reduction in the productivity of the affected machines

Method used

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  • Seal assembly for track joint assembly of chassis
  • Seal assembly for track joint assembly of chassis
  • Seal assembly for track joint assembly of chassis

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Embodiment Construction

[0029] The present invention provides a seal assembly for a track link joint assembly of a chassis of a track-type machine. Examples of such machines include those used in construction, mining, forestry and other similar industries. In some embodiments, the machine may be an excavator, bulldozer, loader, or any other on-highway or off-highway vehicle having a tracked chassis with first and second track assemblies on opposite sides thereof. The track chain assembly of the chassis may be adapted to engage the ground or other surface to propel the tracked machine.

[0030] In various embodiments, a seal assembly constructed in accordance with the principles of the present invention includes a seal member and a thrust ring. Embodiments of seal assemblies constructed in accordance with the principles of the present invention may be adapted to withstand predetermined axial thrust loads without undue strain on the seal members during assembly or operation. The use of simplified too...

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Abstract

The seal assembly (101, 102) may be incorporated into a track joint assembly (84) of a chassis (32) of a track-type machine (30). The track joint assembly (84) may have a first member (110) pivotable relative to its second member (97) about an axis of rotation. The first member (110) includes a seal member engaging surface (180) at least partially defining a seal cavity (125) extending axially about the axis of rotation and in which the seal assembly (101, 102) is disposed. The seal assembly (101, 102) may include a thrust ring (204, 404) and a seal member (202, 402) mounted to the thrust ring (204, 404). The sealing member (202, 402) includes a first member engaging surface (242, 442), a second member engaging surface (244, 444), a frusto-conical inner relief surface (246, 446), a thrust ring engaging surface (248 , 448) and the outer undulating surface (250, 450).

Description

[0001] Cross References to Related Applications [0002] This patent application claims priority to U.S. Patent Application Serial No. 61 / 815,622, filed April 24, 2013, and entitled "Seal Assembly for a Track Joint Assembly for a Chassis," the entire contents of which are incorporated herein by reference. into this article. technical field [0003] The patented invention relates generally to an undercarriage for a track-type machine, and more particularly to a seal assembly for use in a track pin joint assembly of the undercarriage. Background technique [0004] Tracked machines are widely used in construction, mining, forestry and other similar industries. The chassis of this tracked machine uses track assemblies rather than wheels to provide ground-engaging propulsion. Such track assemblies may be preferred in environments where it is difficult to develop sufficient traction, such as those described above. Specifically, track-type machines use one or more track assembli...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D55/088B62D55/21F16J15/34
CPCB62D55/0887B62D55/21F16C11/045F16C33/74F16J15/3456F16C33/78F16J15/3204
Inventor S·马修M·齐塞尔P·查帕盖恩
Owner CATERPILLAR INC
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