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Dr. Grip (Dokutā Gurippu in Japan) is a brand of mechanical pencil made by Pilot Pens based in Japan. The Dr. Grip style also comes in a pen variety. It is well known for its "deflection-deflection/knock system." For its ergonomic features, the Dr. Grip pencil has been awarded the Arthritis Foundation's "Commendation for Ease-of-Use." [1]
A typical construction of a ratchet-based mechanical pencil. A mechanical pencil or clutch pencil is a pencil with a replaceable and mechanically extendable solid pigment core called a "lead" / ˈ l ɛ d /. The lead, often made of graphite, is not bonded to the outer casing, and the user can mechanically extend it as its point is worn away from ...
A mechanism employed in the DelGuard system developed by Zebra, causes the lead sleeve in a mechanical pencil to extend outward when excessive pressure is applied at an angle. When excess vertical pressure is applied on the lead, the lead is automatically retracted inwards. Thus, the lead is protected (within certain limits) in both cases.
While mainly focused on making pens, in 2008 they developed a new mechanical pencil that rotated the graphite lead every time it is lifted from the page to sharpen it into an even cone shape. This line of pencils is named as Kuru Toga. [12] The name Kuru Toga is a portmanteau of the two Japanese words 'kuru' (turning) and 'togaru' (to be ...
That same year Rotring launched its first drawing board, and the "Tikky" mechanical pencil was released in 1979. The "Art Pen", a fountain pen suitable for calligraphy, was launched in 1984. During the decade, Rotring set new subsidiaries in other European countries, while the "600" mechanical pencil was introduced in 1989.
Ohto Co., Ltd. (オート株式会社, Ōto Kabushiki Gaisha) is a Japanese manufacturing company of writing implements. The company was established in 1919 as a manufacturer of dyes and ink. In 1949, the company became a pen manufacturer after they manufactured the world's first ball point pen with a chrome ball. This was also Japan's first ...