Rotary cylinder device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 24, 2001
Grant Date -
N/A
app pub date -
Nov 30, 1998
filing date -
Dec 4, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotary cylinder for controlling operations of a chuck to be used on a lathe or the like. The rotary cylinder comprises a housing, a cylinder unit, a distributor supporting the cylinder unit in bearings fitted therein, and a seizure detecting system including a detaining mechanism for restraining the distributor from rotation relative to the housing. The seizure detecting system detects seizure between the distributor and the cylinder unit and allows the distributor to rotate relative to the housing. The distributor is capable of being fixedly held on the housing without distorting the bearings supporting the cylinder unit and of being disconnected from the housing when seizure occurs between the distributor and the cylinder unit.
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