Building drum with locking device
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United States of America Patent
Stats
-
Mar 15, 2016
Grant Date -
Jun 27, 2013
app pub date -
Feb 10, 2012
filing date -
Feb 11, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention provides a building drum for building an unvulcanized tire or air spring using rubber components. The building drum comprises a central shaft and a casing that can be slid onto the shaft. The casing is detachably attached to the shaft via a coupling pin that can be moved to a coupled position for mutually coupling the shaft and the casing and into an uncoupled position in which the casing can be removed from the central shaft. The casing further comprises a locking device with a locking pin, wherein the locking pin is adapted for, in the coupled position of the coupling pin, engaging thereon for substantially blocking a movement of the coupling pin. The locking device comprises a locking member that in a condition in which the locking pin does not engage onto the coupling pin, is placed such that it prevents a connection of lines to the casing, and/or provides an indication of the casing being mounted incorrectly.
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Cited Art Landscape
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