Reel spool pneumatic core clamp

Details Reel spool pneumatic core clamp Reel spool pneumatic core clamp

B - Operations, Transporting

65

H

242/74.1

B65H 75/08 (2006.01) B23B 31/40 (2006.01)

Patent

CA 1155101

ABSTRACT OF THE DISCLOSURE A core clamp mechanism serves to grip a core on a winder shaft by means of a plurality of ring elements and an expandable elastomer tube. A spacer sleeve abuts at one end with the free end of the core and receives, at its other and, a locking disc in preformed engagement spaces which cooperate with lugs formed on the disc. The elastomer tube is positioned upstream of the disc and supplied with air pressure for expansion of the tube against the disc which serves to compress the sleeve against the core. Shrinkage and other adjustments during the clamping operation automatically accommodated by axial expansion of the tube under pressure. To remove a wound core, pressure is released through a valve from the tube and the disc moved clear from engagement with the sleeve. Cut outs corresponding to the disc lugs are formed on the sleeve so that, by aligning the cut outs with the disc lugs, the sleeve can be pulled off the shaft and the core removed and replaced.

386986

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