Blindstitch sewing machine with eccentric mounting for work support

Claim 1

IN A BLINDSTITCH SEWING MACHINE HAVING A FRAME, A ROTARY DRIVE SHAFT JOURNALED IN SAID FRAME, AND MEANS FOR ADVANCING WORK FROM THE FRONT TOWARD THE REAR OF SAID FRAME, THE COMBINATION WHICH COMPRISES A WORK SUPPORTING MEMBER ALONG WHICH THE WORK TO BE STITCHED IS ADVANCED, SAID WORK SUPPORT BEING PIVOTALLY CONNECTED WITH SAID FRAME FOR ROCKING MOVEMENTS ABOUT AN AXIS EXTENDING TRANSVERSELY OF THE DIRECTION OF FEED OF THE WORK, SAID AXIS BEING DISPOSED ADJACENT THE REARWARD END OF SAID WORK SUPPORT AS VIEWED IN THE DIRECTION OF FEED OF THE WORK, CYLINDRICAL MEANS COOPERATING WITH SAID WORK SUPPORT TO PROVIDE SAID AXIS, PIVOT MEANS ON SAID FRAME OF THE MACHINE COOPERATING WITH SAID CYLINDRICAL MEANS ECCENTRICALLY OF SAID AXIS, A NODE FORMER ROCKABLY MOUNTED ON AN AXIS WHICH IS FIXED RELATION TO SAID WORK SUPPORT AND POSITIONED FORWARDLY OF THE AXIS ABOUT WHICH SAID WORK SUPPORT IS ROCKED, CONNECTIONS FROM SAID DRIVE SHAFT TO SAID WORK SUPPORT FOR ROCKING THE LATTER ABOUT SAID FIRST-MENTIONED AXIS TO PRODUCE SKIP STITCHES AND A SINGLE MEANS OPERABLE AT WILL FOR TURNING SAID CYLINDRICAL MEANS ABOUT SAID PIVOT MEANS TO CAUSE LOWERING OF SAID FIRST MENTIONED AXIS AND FOR ROCKING SAID WORK SUPPORT ABOUT SAID FIRST MENTIONED AXIS TO THEREBY FACILITATE THE INTRODUCTION AND REMOVAL OF WORK.