Device for keyway broaching
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United States of America Patent
Stats
-
Feb 21, 2017
Grant Date -
May 14, 2015
app pub date -
Sep 16, 2014
filing date -
Sep 16, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A device for keyway broaching is provided with a housing, a drive shaft, a broaching carriage received and supported in the housing, a tool support connected to the broaching carriage, and a crank drive that couples the drive shaft and the broaching carriage with each other. The broaching carriage, when driven by the drive shaft, performs an oscillating movement comprising a cutting movement and a return stroke. A sleeve is arranged between the housing and the broaching carriage. A first seal is provided between the housing and the sleeve and/or between the sleeve and the broaching carriage. The tool support is connected to the broaching carriage with a rocking lever interposed between the tool support and the broaching carriage. The drive shaft has a control section that controls a relative movement between the rocking lever and the broaching carriage.
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