WORK MACHINE
To prevent foreign matters from falling between a swivel joint and an opening hole through which the swivel joint is inserted.SOLUTION: The work machine includes: a revolving frame supported on a travel unit so as to revolve on a vertical axis; a swivel joint disposed at the position on the vertical...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To prevent foreign matters from falling between a swivel joint and an opening hole through which the swivel joint is inserted.SOLUTION: The work machine includes: a revolving frame supported on a travel unit so as to revolve on a vertical axis; a swivel joint disposed at the position on the vertical axis, inserted through an opening hole formed in the revolving frame; and a closing cover attached to the revolving frame in contact with the swivel joint via the seal member, which covers a gap between the opening hole and the swivel joint.SELECTED DRAWING: Figure 7
【課題】スイベルジョイントと、該スイベルジョイントが挿通する開口穴との間から異物が落ちるのを防止する。【解決手段】作業機は、走行装置に縦軸心回りに旋回可能に支持された旋回フレームと、縦軸心位置に配置されていて旋回フレームに形成された開口穴を挿通するスイベルジョイントと、旋回フレームに取り付けられ、シール部材を介してスイベルジョイントに当接して開口穴とスイベルジョイントとの間の隙間を覆う閉塞カバーと、を備えている。【選択図】図７ |
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