25-06-2020 дата публикации
Номер: US20200198108A1
Принадлежит:
A chuck key for tightening the jaws of a drill chuck of a chuck is disclosed. The chuck key includes, a pin for engaging the chuck, a gear having a plurality of cogs arranged concentrically around a central axis for engaging cogs of the chuck, wherein the gear includes a cavity having a same center of axis as the gear, a protrusion opposite the pin, wherein the protrusion includes an aperture. 1. A chuck key for tightening the jaws of a drill chuck of a chuck , comprising:a pin for engaging the chuck;a gear having a plurality of cogs arranged concentrically around a central axis for engaging cogs of the chuck, wherein the gear includes a cavity having a same center of axis as the gear;a protrusion opposite the pin, wherein the protrusion includes an aperture; andwherein the protrusion, the aperture, the gear, and the pin have a same center of axis.2. The chuck key of claim 1 , wherein the gear comprises a cavity differently shaped than the aperture of the protrusion.3. The chuck key of claim 2 , wherein the cavity is formed of more than four sidewalls.4. The chuck key of claim 2 , wherein the cavity is formed of five sidewalls to form a pentagonal shape.5. The chuck key of claim 2 , wherein the cavity is formed of six sidewalls to form a hexagonal shape.6. The chuck key of claim 2 , wherein the cavity comprises a star shape.7. The chuck key of claim 2 , wherein the aperture opens into the cavity.8. The chuck key of claim 7 , wherein the cavity forms of one of a triangle shape claim 7 , a quadrilateral shape claim 7 , a pentagonal shape claim 7 , a hexagonal shape claim 7 , a heptagonal shape claim 7 , an octagonal shape claim 7 , and an oval shape.9. The chuck key of claim 7 , wherein the aperture forms of one of a triangle shape claim 7 , a quadrilateral shape claim 7 , a pentagonal shape claim 7 , a hexagonal shape claim 7 , a heptagonal shape claim 7 , an octagonal shape claim 7 , and an oval shape.10. A chuck key for tightening the jaws of a drill chuck of a ...
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