| 主权项 |
1. A toothpaste tube rolling device comprising:
a single-piece clamp having a top lever portion, a bottom lever portion, each of the top lever portion and the bottom lever portion having a front side, a back side, an interior surface, an exterior surface, a left side, and a right side, the top and bottom lever portions being conjoined at a C-shaped center portion on the back side thereof; wherein the top lever portion has a width greater than a width of the bottom lever portion; a tongue extending from the front side of the bottom lever, wherein the tongue is directed away from the top lever; a tapered extension disposed on each of the right and left sides of the top lever portion, wherein the extension has an upper edge contiguous with the exterior surface of the top lever portion, a lower edge terminating beyond the exterior surface of the bottom lever portion, and a front edge substantially aligned with a midpoint of a length of the tongue; an opening medially disposed proximal the front side of the top lever of the clamp, the opening having a size configured to receive a user's finger therethrough; a circular opening disposed on each tapered extension proximal the front edge; a substantially cylindrical tube having a top wall and a bottom wall, each of the top wall and the bottom wall having an external surface, an internal surface, a left wall, a right wall, a forward end, and a rearward end, wherein the tube is configured to fit within the circular opening of the tapered extension and to substantially conform to a size of the circular opening; a slot continuously disposed between the top wall and the bottom wall; a space washer disposed in the slot proximal the left wall; a stop body disposed on the right wall, the stop body having a width greater than the diameter of the circular opening; a knob disposed on the right wall; a vertical opening continuously disposed through the top wall, the space washer, and the bottom wall, wherein the vertical opening is medially disposed through the space washer; a locking pin configured to engage the vertical opening and to substantially conform to a size of the vertical opening, the locking pin having an upper head and a vertically split base; a clamping ring having a C-shaped forward portion and a C-shaped rearward portion, each of the forward and rearward portions having a convex top portion, a continuous front aperture, wherein the clamping ring is configured to snuggly engage an outer perimeter of the tube; a gap between the top portion of the forward and rearward portions; a lower lip continuously disposed along and between the forward and rearward portions; and a spring clamping tab centrally disposed between the forward and rearward portions, the spring clamping tab having a top extension, a bottom extension, and a V-shaped central portion disposed between the top and bottom extensions, each of the top and bottom extensions having a distal end, an interior surface, and an exterior surface; wherein the V-shaped central portion engages and alternately disengages the lower lip between the forward and rearward portions. |
