{TAIL ~ An object} of the invention is to provide a locking mechanism which allows {HEAD ~ a cover} to be opened by one hand 
{ TAIL ~ An object } of the invention is to provide a locking mechanism which allows { HEAD ~ a cover } to be opened by one hand
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH