Difference between revisions of "Auto-Advance mechanism"
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In order to work, it is required to write with a very little amount of lead coming outside the tip, and practically to drag the lead sleeve on the paper. | In order to work, it is required to write with a very little amount of lead coming outside the tip, and practically to drag the lead sleeve on the paper. | ||
Most of the time these pencils are also provided with a push button mechanism, and can be used in the classical way. | Most of the time these pencils are also provided with a push button mechanism, and can be used in the classical way. | ||
| + | [[File:Auto-Advance-Only pencils.JPG|thumb|right|Examples of auto-advance pencils that are not provided with a push button mechanism. Top to bottom: a Papermate Advancer, a Fila Temagraph Automatic, and a M&G Comrade]] | ||
== Auto-advance pencil models == | == Auto-advance pencil models == | ||
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|- | |- | ||
| Pilot || Automac || [[Double-Knock mechanism|Double-knock mechanism]]; metal body | | Pilot || Automac || [[Double-Knock mechanism|Double-knock mechanism]]; metal body | ||
| + | |- | ||
| + | | Papermate || Auto Advance || | ||
| + | |- | ||
| + | | Papermate || Advancer || Auto-advancement only; disposable pencil (not refillable) | ||
| + | |- | ||
| + | | Fila || Temagraph Automatic || Auto-advancement only | ||
| + | |- | ||
| + | | M&G || Comrade || Auto-advancement only; side button to retract the lead | ||
|} | |} | ||
[[Category:Pencils]] | [[Category:Pencils]] | ||
[[Category:Mechanical Pencils]] | [[Category:Mechanical Pencils]] | ||
Revision as of 11:24, 31 July 2018
Auto-advance or auto-feed mechanical pencils don't need any action to advance the lead because of their particular mechanism: a spring loaded sliding sleeve (usually a plastic cone) pushes out more lead every time it is pressed and released from the paper. In order to work, it is required to write with a very little amount of lead coming outside the tip, and practically to drag the lead sleeve on the paper. Most of the time these pencils are also provided with a push button mechanism, and can be used in the classical way.
Auto-advance pencil models
| Brand | Model name | Additional Features |
|---|---|---|
| Ohto | Auto Sharp | |
| Ohto | Horizon | Double-knock mechanism with side button to retract the tip; metal body |
| Faber-Castell | Grip Matic | |
| Faber-Castell | Poly Matic | Twist-extendable eraser |
| Maped | Automatic | |
| BIC | AI | Shaker mechanism with lead lock when the lead sleeve is retracted |
| Pilot | Automac | Double-knock mechanism; metal body |
| Papermate | Auto Advance | |
| Papermate | Advancer | Auto-advancement only; disposable pencil (not refillable) |
| Fila | Temagraph Automatic | Auto-advancement only |
| M&G | Comrade | Auto-advancement only; side button to retract the lead |