Patent ID: 8621830
Filing Date: 2014-01-07
Classification: B26D,B29C,B29K,B65B,Y10T

Abstract:
1. A rotary sealing and cutting jaw for a film sealing and wrapping machine, the rotary sealing and cutting jaw comprising: a first cross member traveling along a first circular path which is equidistant from a first central rotating axis and maintaining an angular orientation of the first cross member during the entire first circular path; a first rotary member attached to the first cross member wherein the first rotary member rotates about the first central rotating axis, a first caming mechanism incorporated into the first rotary member, the first caming mechanism allowing the first cross member to travel along the first circular path and to maintain the angular orientation of the first cross member during the entire first circular path; a second cross member traveling along a second circular path which is equidistant from a second central rotating axis and maintaining an angular orientation of the second cross member during the entire second circular path; a second rotary member attached to the second cross member wherein the second rotary member rotates about the second central rotating axis, a second caming mechanism incorporated into the second rotary member, the second caming mechanism allowing the second cross member to travel along the second circular path and to maintain the angular orientation of the second cross member during the entire second circular path; wherein the second rotary member and the second cross member are disposed opposite from the first rotary member and the first cross member; wherein the first caming mechanism has first and second straight surfaces which are perpendicular to each other and the second straight cam surface is a groove formed in the slider.