Invention Grant
- Patent Title: Hydraulic chuck with a reduction sleeve
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Application No.: US14285011Application Date: 2014-05-22
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Publication No.: US09662714B2Publication Date: 2017-05-30
- Inventor: Ruy Frota de Souza Filho , Josef K. Herud , Mahima R. Kulkarni , Santhosha Boregowda Borapura
- Applicant: Kennametal Inc.
- Applicant Address: US PA Latrobe
- Assignee: KENNAMETAL INC.
- Current Assignee: KENNAMETAL INC.
- Current Assignee Address: US PA Latrobe
- Agent Matthew S. Bedsole
- Priority: IN2319/CHE/2013 20130528
- Main IPC: B23B31/20
- IPC: B23B31/20 ; B23B31/30 ; B23B31/02

Abstract:
A hydraulic expansion chuck for receiving a tool includes a chuck body, an expansion bushing which is received in the chuck body and defines a chuck opening, a pressure chamber which is interposed between the expansion bushing and the chuck body, and a reduction sleeve. The reduction sleeve is received in the chuck opening of the expansion bushing and defines a tool holder receptacle for receiving the tool to be chucked. The reduction sleeve includes a connector element configured to releasably attach the reduction sleeve to the chuck body. The reduction sleeve also may include an adjustment element configured to adjust the axial position of the tool in the tool holder receptacle.
Public/Granted literature
- US20140353931A1 HYDRAULIC CHUCK WITH A REDUCTION SLEEVE Public/Granted day:2014-12-04
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