Difference between revisions of "Auto-Advance mechanism"

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[[File:Auto-Advance pencils.JPG|thumb|right|Some auto-advance pencils. Left to right: two different models of [[Faber-Castell]] Grip Matic, a [[Faber-Castell]] Poly Matic, a BIC AI, and two Maped Automatic (0.5mm and 0.7mm)]]
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[[File:Auto-Advance Pencils in China.jpg|thumb|right|Examples of auto-advance pencils that are made in China. left to right: a THREE STAR A701, two THREE STAR 705, and a SWIRI]]
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'''Auto-advance''' or '''auto-feed''' [[mechanical pencil|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.
 
'''Auto-advance''' or '''auto-feed''' [[mechanical pencil|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.
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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.
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[[File:Auto-Advance mechanism.png|900px|thumb|left|www.pilot.co.jp]]
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[[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 Paper Mate Advancer, a Fila Temagraph Automatic, and a M&G Comrade]]
 
[[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 Paper Mate Advancer, a Fila Temagraph Automatic, and a M&G Comrade]]
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== Auto-advance pencil models ==
 
== Auto-advance pencil models ==
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{| class="wikitable sortable"
 
{| class="wikitable sortable"
 
|-
 
|-
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| Fila || Temagraph Automatic || Auto-advancement only
 
| Fila || Temagraph Automatic || Auto-advancement only
 
|-
 
|-
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| THREE STAR || A701 ||  with 4 chunk balls
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| [[THREE STAR]] || [[THREE STAR A701|A701]] ||  Like Pentel PN105
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|-
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| [[THREE STAR]] || [[THREE STAR 705|705]] || Like TK-Matic L 9725;all-metal body
 
|-
 
|-
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| THREE STAR || 705 || like TK-Matic L 9725
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| SWIRI || N/A || Made by THREE STAR; using 0.3mm lead
 
|-
 
|-
 
| Ohto || Auto Sharp ||  
 
| Ohto || Auto Sharp ||  
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| Pentel || Orenznero || Orenz system to prevent lead breakage; also available in super-thin 0.2mm lead size (as for the Orenz family)
 
| Pentel || Orenznero || Orenz system to prevent lead breakage; also available in super-thin 0.2mm lead size (as for the Orenz family)
 
|-
 
|-
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| Pentel || Technomatic PN3015 ||
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| Pentel || [[Pentel PN3015|PN3015]] || Technomatic
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|-
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| Pentel || PN305 || QX
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|-
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| Pentel || [[Pentel PN105|PN105]] || Technoclic
 
|-
 
|-
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| Pentel || QX PN305 ||
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| Pentel || PN55 || Technopress
 
|-
 
|-
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| Pilot || Automac E-500 ||
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| Pilot || Automac E500 ||
 
|-
 
|-
 
| Pilot || Automac HAT-3SR || [[Double-Knock mechanism|Double-knock mechanism]]; metal body
 
| Pilot || Automac HAT-3SR || [[Double-Knock mechanism|Double-knock mechanism]]; metal body
 
|-
 
|-
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| Pilot || H-5005 ||
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| Pilot || H-5005 || [[Double-Knock mechanism|Double-knock mechanism]]; metal body
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|-
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| Pilot || Automatic || [[Double-Knock mechanism|Double-knock mechanism]]; metal body
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|-
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| Pilot || S30 || Wood body
 
|-
 
|-
 
| Platinum || Hayaai 1000 Point Push-Matic||
 
| Platinum || Hayaai 1000 Point Push-Matic||
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|-
 
|-
 
| Sakura || AT-MATIC AT300 ||
 
| Sakura || AT-MATIC AT300 ||
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|-
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| Sakura || ats3000 || Like Pentel PN305
 
|-
 
|-
 
| Staedtler || Micromatic 777 || All-metal body
 
| Staedtler || Micromatic 777 || All-metal body
 
|-
 
|-
 
| Tombow || Runner ||
 
| Tombow || Runner ||
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|-
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| Uni || Kuru Toga DIVE || Special auto-feed mechanism where the lead sleeve doesn't drag on the paper; adjustable length auto-feed mechanism
 
|-
 
|-
 
| Zebra || Frisha MA40 || [[Shaker mechanism]]
 
| Zebra || Frisha MA40 || [[Shaker mechanism]]

Latest revision as of 18:53, 16 August 2022

Examples of auto-advance pencils that are made in China. left to right: a THREE STAR A701, two THREE STAR 705, and a SWIRI

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.

www.pilot.co.jp
Examples of auto-advance pencils that are not provided with a push button mechanism. Top to bottom: a Paper Mate Advancer, a Fila Temagraph Automatic, and a M&G Comrade



Auto-advance pencil models[edit]

Brand Model name Additional Features / Informations
BIC AI Shaker mechanism with lead lock when the lead sleeve is retracted
Dixon Ticonderoga Sensematic+ Auto-advancement only
Eberhard Faber EFAmatic Auto-advancement only
Faber-Castell Alpha Matic [1]
Faber-Castell DS Matic
Faber-Castell Grip Matic
Faber-Castell Poly Matic Twist-extendable eraser
Faber-Castell TK-Matic L 9725 [1]
Fila Temagraph Automatic Auto-advancement only
THREE STAR A701 Like Pentel PN105
THREE STAR 705 Like TK-Matic L 9725;all-metal body
SWIRI N/A Made by THREE STAR; using 0.3mm lead
Ohto Auto Sharp
Ohto Horizon Double-knock mechanism with side button to retract the tip; metal body
Ohto No-Noc metal body
Ohto Radial Spring loaded clip; metal body; radial tyre shaped rubber grip
M&G Comrade Auto-advancement only; side button to retract the lead
Magic House Autolead Pencil Auto-advancement only
Maped Automatic
Paper Mate Auto Advance
Paper Mate Advancer Auto-advancement only; disposable pencil (not refillable)
Pentel Orenznero Orenz system to prevent lead breakage; also available in super-thin 0.2mm lead size (as for the Orenz family)
Pentel PN3015 Technomatic
Pentel PN305 QX
Pentel PN105 Technoclic
Pentel PN55 Technopress
Pilot Automac E500
Pilot Automac HAT-3SR Double-knock mechanism; metal body
Pilot H-5005 Double-knock mechanism; metal body
Pilot Automatic Double-knock mechanism; metal body
Pilot S30 Wood body
Platinum Hayaai 1000 Point Push-Matic
Platinum Hayaai II
Porsche Design Porsche Design automatic [1] Made by Faber-Castell
Sakura AT-MATIC AT300
Sakura ats3000 Like Pentel PN305
Staedtler Micromatic 777 All-metal body
Tombow Runner
Uni Kuru Toga DIVE Special auto-feed mechanism where the lead sleeve doesn't drag on the paper; adjustable length auto-feed mechanism
Zebra Frisha MA40 Shaker mechanism
Zebra Knockless Side button to retract the lead

References and Notes[edit]

  1. ↑ 1.0 1.1 1.2 Moramax's comment on memm's Orenznero video
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