Tape dispenser

A tape dispenser for a roll of tape including a supply length of the tape wound around a core, which core has opposite ends and a through opening defined by a cylindrical inner surface between the ends, said dispenser comprising means for defining a cutting edge adapted to transversely cut the tape, and a frame of a polymeric material, said frame comprising:

• a cutter support portion having said means for defining a cutting edge along one end and having spaced side edges disposed at about right angles with respect to said cutting edge;
• opposite side wail portions attached along said opposite side edges of the cutter support portion and having opposed adjacent inner surfaces;
• at least one hub portion projecting from one of said side wall portions, said hub portion having a peripheral surface adapted to support the cylindrical inner surface of the core for rotation about an axis generally parallel to said tape cutting edge, and being adapted to project into the opening in the core from one end of the core to support the roll of tape for rotation about the hub portion;
• and
• opposed spaced locating tab portions projecting toward each other from the side wall portions at a distance from said axis that is significantly less than the distance between said cutting edge and said axis, said locating tab portions having retaining surfaces adjacent the cutter support portion That are spaced from the support portion so that a first plane passing through the axis of the hub portions and the cutting edge is disposed at an angle of at least 12 degrees with respect to a second plane that passes through the axis of the hub portions and is tangent to the retaining surfaces of the locating tab portions, said locating tab portions having opposed cam surfaces extending from the side wall portions to the adjacent inner ends of the locating tab portions on the sides of said locating tab portions opposite said retaining surfaces, said dispenser having unobstructed space adjacent the retaining surfaces between said first plane and said second plane, parts of the cam surfaces along the lengths of the cam surfaces being disposed at cam angles of greater than about 45 degrees with respect to the surfaces adjacent the cutter support portion of imaginary planes passing through said axis of the hub portion and said parts of the cam surfaces when the measurements of said cam angles are taken in planes normal to the surfaces of the imaginary planes;
• said cam surfaces causing tape being pulled from the roll of tape on the hub portions on the side of said locating tab portions opposite said retaining surfaces to be guided between and around said tab portions when relative movement is caused between said dispenser and said tape being withdrawn to bring said cutting edge into engagement to transversely cut the tape, and said retaining surfaces affording releasable adhesion thereto by a newly cut end portion of the tape to retain that end portion of the tape in a position projecting from the roll at which it may easily be manually engaged to afford withdrawing another length of tape from the roll.

A tape dispenser for a roll of tape including a supply length of the tape wound around a core, which core has opposite ends and a through opening defined by a cylindrical inner surface between the ends, said dispenser comprising means for defining a cutting edge adapted to transversely cut the tape, and a frame of a polymeric material, said frame comprising:

• a cutter support portion having said means for defining a cutting edge along one end and having spaced side edges disposed at about right angles with respect to said cutting edge;
• opposite side wall portions attached along said opposite side edges of the cutter support portion and having opposed adjacent inner surfaces;
• at least one hub portion projecting from one of said side wall portions, said hub portion having a peripheral surface adapted to support the cylindrical inner surface of the core for rotation about an axis generally parallel to said tape cutting edge, and being adapted to project into the opening in the core from one end of the core to support the roll of tape for rotation about the hub portion;
• and
• opposed spaced locating tab portions projecting toward each other from the side wall portions at a distance from said axis that is less than the distance between said cutting edge and said axis, said locating tab portions being spaced apart a predetermined distance and having retaining surfaces adjacent the cutter support portion that are spaced from the support portion so that a first plane passing through the axis of the hub portions and the cutting edge is disposed at a first predetermined angle with respect to a second plane that passes through the axis of the hub portions and is tangent to the retaining surfaces of the locating tab portions, said dispenser having unobstructed space adjacent the retaining surfaces between said first plane and said second plane, said locating tab portions having opposed cam surfaces extending from the side wall portions to the adjacent inner ends of the locating tab portions on the sides of said locating tab portions opposite said retaining surfaces, said parts of the cam surfaces along the lengths of the cam surfaces being disposed at predetermined cam angles with respect to the surfaces adjacent the cutter support portion of imaginary planes passing through said axis of the hub portion and said parts of the cam surfaces, which cam angles are measured in planes normal to the surfaces of the imaginary planes;
• said predetermined distance, said first angle and said predetermined cam angles being adapted to cause tape being pulled from the roll of tape on the hub portions on the side of said locating tab portions opposite said retaining surfaces to be consistently guided between and around said tab portions without further relative manipulation of said dispenser and said tape being withdrawn when relative movement is caused between said dispenser and said tape being withdrawn to bring said cutting edge into engagement to transversely cut the tape, and said retaining surfaces affording releasable adhesion thereto by a newly cut end portion of the tape to retain that end portion of the tape in a position projecting from the roll at which it may easily be manually engaged to afford withdrawing another length of tape from the roll.

A tape dispenser for a roll of tape including a supply length of the tape wound around a core, which core has opposite ends and a through opening defined by a cylindrical inner surface between the ends, said dispenser comprising means for defining a cutting edge adapted to transversely cut the tape, and a frame of a polymeric material, said frame comprising:

• a cutter support portion having said means for defining a cutting edge along one end and having spaced side edges disposed at about right angles with respect to said cutting edge;
• opposite side wall portions attached along said opposite side edges of the cutter support portion and having opposed adjacent inner surfaces;
• at least one hub portion projecting from one of said side wall portions, said hub portion having a peripheral surface adapted to support the cylindrical inner surface of the core for rotation about an axis generally parallel to said tape cutting edge, and being adapted to project into the opening in the core from one end of the core to support the roll of tape for rotation about the hub portion;
• and
• an opposed pair of spaced and aligned attachment portions between said side wall portions and along said cutter support portion, said attachment portions having opposite major surfaces that are generally parallel to and spaced from said cutting edge and including opposed generally triangular projecting parts at their adjacent ends, said projecting parts having inner edges between said major surfaces that are generally parallel to and spaced from said cutter support portion, and opposite outer edges disposed at an acute angle with respect to said inner edges, said attachment portions being adapted to be received in aligned spaced slots formed in a flexible paper card that can bear advertising and other information about said dispenser and can have an opening by which the card and thereby the dispenser can be hung on a pin with end portions of the projecting parts positioned over parts of the card between the slots and opposite edges of the card at the outer ends of the slots abutting the inner surfaces of said side wall portions, the parts of the card between the slots being positionable beneath the ends of the projecting parts by positioning the card between the side wall portions on the inclined outer edges of the projecting parts with the outer ends of the attachment portions in the slots and resiliently bending the card between and transverse to the attachment portions by pressing its center portion toward the cutter support portion until the portion of the card between the slots passes between the adjacent ends of the projecting parts, whereupon the card will straighten, leaving said parts of the card beneath the ends of the projecting parts.

A tape dispenser for a roll of tape including a supply length of the tape wound around a core, which core has opposite ends and a through opening defined by a cylindrical inner surface between the ends, said dispenser comprising means for defining a cutting edge adapted to transversely cut the tape, and a frame of a polymeric material, said frame comprising;

• a cutter support portion having said means for defining a cutting edge along one end and having spaced side edges disposed at about right angles with respect to said cutting edge;
• opposite side wall portions attached along said opposite side edges of the cutter support portion and having opposed adjacent inner surfaces;
• at least one hub portion projecting from one of said side wall portions, said hub portion having a peripheral surface adapted to support the cylindrical inner surface of the core for rotation about an axis generally parallel to said tape cutting edge, and being adapted to project into the opening in the core from one end of the core to support the roll of tape for rotation about the hub portion;
• and
• an opposed pair of spaced and aligned attachment portions between said side wall portions and along said cutter support portion, said attachment portions having opposite major surfaces that are generally parallel to and spaced from said cutting edge and including opposed generally triangular projecting parts at their adjacent ends, said projecting parts having inner edges between said major surfaces that are generally parallel to and spaced from said cutter support portion, and opposite outer edges disposed at an acute angle with respect to said inner edges;
• and
• said tape dispenser further including a planar paper card having opposite parallel edges extending between opposite inner and outer ends of said card, and aligned spaced slots extending into said card from said edges adjacent said inner end, said attachment portions being received in said spaced slots with end portions of the projecting parts positioned over parts of the card between the slots and said opposite edges of the card at the outer ends of the slots abutting the inner surfaces of said side wall portions, the parts of the card between the slots having been positioned beneath the ends of the projecting parts by positioning the cud between the side wall portions on the inclined outer edges of the projecting parts with the outer ends of the attachment portions in the slots and resiliently bending the card between and transverse to the attachment portions by pressing its center portion toward the cutter support portion until the portion of the card between the slots passed between the adjacent ends of the projecting parts, whereupon the card straightened, leaving said parts of the card beneath the ends of the projecting parts, said card bearing advertising and other information about said dispenser, having a major portion of said card adjacent said outer end projecting past said cutting edge, and having a first opening adjacent the outer end of said card by which the card and thereby the dispenser can be hung on a pin.