8/10/2023 0 Comments Mechanical pencil sharpener229910001369 Brass Inorganic materials 0.000 description 2.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by HOWARD HUNT PEN CO C filed Critical HOWARD HUNT PEN CO C Priority to US475871A priority Critical patent/US2818834A/en Application granted granted Critical Publication of US2818834A publication Critical patent/US2818834A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee HOWARD HUNT PEN CO C Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US475871A Inventor Keech Horace Donald H Lehr Current Assignee (The listed assignees may be inaccurate. Wider pencils may not fit these sharpeners.- Google Patents US2818834A - Pencil sharpenerĭownload PDF Info Publication number US2818834A US2818834A US475871A US47587154A US2818834A US 2818834 A US2818834 A US 2818834A US 475871 A US475871 A US 475871A US 47587154 A US47587154 A US 47587154A US 2818834 A US2818834 A US 2818834A Authority US United States Prior art keywords carrier handle stop member pencil sharpener pin Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. *We tested this with Caran d'Ache Museum Aquarelle Pencils, which are 8.3 mm in diameter. Two holes for wide or sharp points.Ĭan sharpen by twisting the pencil back and forth. Includes clamp for table mounting.ĭesigned for colored pencils. Koh-I-Noor Triograph and Moleskine pencils only.Ĭreates very long points. Two holes for standard and large pencils. Kutsuwa Stad K'Zool Multi Pencil Sharpener Kutsuwa Stad 2 Maiba Double Blade Pencil Sharpeners Two holes for standard (8 mm) and large (10 mm) pencils. Made for Triangular and Hexagonal pencil bodies. KUM Scribble Tip Top Pencil Cap + Sharpener Two holes for standard (8 mm) and large (10.5 mm) pencils. 400-5L Stenographer's Long Point Pencil Sharpener Handle turns the sharpener around the pencil. Lefty-friendly.Ĭarl Kuru Kuru Carl-Kun Pencil Sharpeners Nameīlackwing One-Step Long Point Pencil Sharpenerīlackwing Two-Step Long Point Pencil Sharpeners Dux Adjustable Sharpener, Shortest Setting/ Standard Dux Sharpenerįor ease of identification, we've marked our hand-cranked tabletop sharpeners with this badge.The pencils used are Uni Mitsubishi 9800 HB pencils, Faber-Castell Polychromos colored pencils, and the Koh-I-Noor Triograph. The names of the sharpeners are listed in the same order below for easy reference. This image shows the points made by our pencil sharpeners, in order from longest to shortest. It has a sturdy base, a larger compartment for pencil shavings, and two options for point length-one closer to the Ratchetta and one closer to the Uni. All versions of the Ratchetta are compact and catch pencil shavings for sketching on the go.įor a colored pencil sharpener that you can leave on your desk, we like the Prismacolor Premier Pencil Sharpener. The rest of the standard sharpeners have pop-out notification buttons to prevent oversharpening. The Capsule and some of the standard models let you choose between a medium-length point or a slightly shorter, blunter tip. The One features an automatic trap door that keeps pencil shavings from falling out. The Ratchetta comes in three basic styles: Standard, Capsule, and One. This “ratchet” system allows you to twist the pencil back and forth instead of having to re-grip it as you twist and sharpen. It’s a JetPens staff favorite for its consistent performance with both graphite and colored pencils, variety of designs, and innovative mechanism. If you prefer longer points for your colored pencils, consider the Ratchetta.
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