{HEAD ~ A vertical Venetian blind} 7, wherein the disk bodies , {TAIL ~ the journal} and the cam are moulded on the upper and lower retaining clamps  
wherein
{ HEAD ~ A vertical Venetian blind } 7 , wherein the disk bodies , { TAIL ~ the journal } and the cam are moulded on the upper and lower retaining clamps
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH