NOVEL BALL POINT PEN

摘要

A ballpoint pen system has a pen housing, a top cap, and a ballpoint ink cartridge located in the pen housing. The top cap is located on a pen housing anterior end. In a first closed position a top cap anterior internal annular ridge and a top cap posterior internal annular ridge engage an anterior annular groove and a median annular groove of the pen housing, respectively. In a second, open position, the top cap anterior internal annular ridge and the top cap posterior internal annular ridge engage the median annular groove and a posterior annular groove of the pen housing, respectively. In a first position, the ballpoint tip is located below a top cap anterior end aperture. In a second position, the ballpoint tip is located above and through the top cap anterior end aperture.

主权项

1. A ballpoint pen system (100), wherein said system (100) comprises:
(a) a pen housing (200) having a pen housing anterior end (210), a pen housing posterior end (230); and a pen housing cavity (250) disposed therein, wherein the pen housing cavity (250) is fluidly connected to a pen housing anterior aperture (220) disposed on the pen housing anterior end (210), wherein the pen housing (200) further comprises:
(i) a pen housing first exterior diameter (260), and(ii) upon housing second exterior diameter (270) disposed proximal to the pen housing anterior end (210), wherein the pen housing second exterior diameter (270) is smaller than the pen housing first exterior diameter (260), wherein a pen housing shoulder (280) is disposed between the pen housing second exterior diameter (270) and the pen housing first exterior diameter (260), wherein the pen housing second exterior diameter (270) comprises external threads (600); (b) a top cap (400) having a top cap anterior end (410) with a top cap anterior end aperture (420) disposed on a top cap tapered tip (412), a top cap posterior end (430) with a top cap posterior end aperture (440) disposed thereon, and a top cap channel (450) disposed therein fluidly connecting the top cap anterior end aperture (420) to the top cap posterior end aperture (440),wherein the top cap anterior end aperture (420) is sized to only allow a ballpoint tip (530) of a ballpoint ink cartridge (500) to slidably pass through,wherein the top cap channel (450) comprises a top cap interior diameter (460) generally sized to snuggly and slidably interface with the pen housing second exterior diameter (270), wherein the top cap interior diameter (460) further comprises internal threads (610),
(c) a ballpoint ink cartridge (500) having a cartridge anterior end (510) and a cartridge posterior end (520), wherein the cartridge anterior end (510) comprises a ballpoint tip (530), wherein the ballpoint ink cartridge (500) is disposed in the pen housing (200), wherein the ballpoint tip (530) projects from and away from the pen housing anterior aperture (220);wherein the top cap (400) is disposed on the pen housing, anterior end (210), wherein the top cap (400) attaches to the pen housing (200) via mated internal threads (610) and external threads (600), andwherein in a first position, the ballpoint tip (530) is disposed below the top cap anterior end aperture (420), wherein in a second position, upon movement of the top cap (400) in a downward manner toward the pen housing posterior end (230), the ballpoint tip (530) is disposed above and through the top cap anterior end aperture (420).