Patent ID: 8656976

Claim:
An adhesive tape dispenser comprising: a lower housing having a perimeter, the lower housing comprising an inner edge, an inner wall, at least two alignment features, a forward tape press roller, a pivot post, at least two forward lateral ridges defining a forward recessed groove, and at least two rear lateral ridges defining a rear recessed groove, wherein the inner edge substantially surrounds the perimeter of the lower housing except for one section that defines a forward opening, and wherein the forward tape press roller, the pivot post, and the forward lateral ridges project inwardly from the inner wall of the lower housing; a back plate assembly comprising a back plate having a inner side and an outer side, the inner side that includes a tape unwind spool, a push button attached to and projecting inward from the back plate, at least one forward and one rear tab that each slideably engage the forward recessed groove and the rear recessed grove of the lower housing, respectively, and a slide pin projecting inward from the back plate; an outer cam assembly that includes a lever arm having a proximal end and a distal end, a pivot cylinder on the proximal end of the lever arm, and a cutting blade mounted on the distal end of the lever arm, the pivot cylinder rotatably engaging the pivot post on the lower housing, wherein the lever arm includes an outer cam opening towards the distal end which engages the slide pin of the back plate assembly; and an inner cam assembly that includes a pivot arm having a proximal end and a distal end, a pivot cylinder on the proximal end of the pivot arm, a switching bar attached to the outer side of the pivot cylinder, and a pusher at the distal end of the pivot arm, wherein the pivot cylinder rotatably engages the pivot post on the lower housing on the inside of the outer cam assembly lever arm, and wherein the pusher at the distal end of the pivot arm extends outwardly into the outer cam opening of the outer cam assembly.