JP4456414B2 - 筆記具 - Google Patents
筆記具 Download PDFInfo
- Publication number
- JP4456414B2 JP4456414B2 JP2004167107A JP2004167107A JP4456414B2 JP 4456414 B2 JP4456414 B2 JP 4456414B2 JP 2004167107 A JP2004167107 A JP 2004167107A JP 2004167107 A JP2004167107 A JP 2004167107A JP 4456414 B2 JP4456414 B2 JP 4456414B2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- cam cylinder
- cam
- stopper
- writing instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K7/00—Ball-point pens
- B43K7/12—Ball-point pens with retractable ball points
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
- B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
- B43K24/08—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons
- B43K24/084—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons with saw-like or analogous cams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
- B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
- B43K24/14—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by turning means
- B43K24/146—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by turning means with cam control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K7/00—Ball-point pens
- B43K7/005—Pen barrels
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
- Pens And Brushes (AREA)
Description
に容易に挿入することもできるよう軸方向に延びるスリット(28)が設けられている。
2 リフィール
3 ストッパー
4 カム筒
5 ノック部
13 係合部
14、30 係合孔
15 係合突起
Claims (10)
- 係合孔を有し軸筒内に回り止め状態で固定される筒状のストッパーと、該ストッパーに挿入され外面に係合突起を有し内面に固定カムを形成したカム筒と、該カム筒に軸方向に移動可能で回転不能に連結されるノック部を具備し、上記カム筒の係合突起は、上記ストッパーにカム筒を挿入した際上記ストッパーの係合孔に係合され回転方向には離脱可能に係合していることを特徴とする筆記具。
- 上記ストッパーの後端には、上記カム筒の係合突起を上記係合孔へ誘導するようガイド縁が形成されている請求項1に記載の筆記具。
- 上記係合突起には、カム筒の回転方向に傾斜する斜面が形成されている請求項1または2に記載の筆記具。
- 上記係合突起は、カム筒の軸径方向に弾性的に変位可能に設けられている請求項1または3に記載の筆記具。
- 上記カム筒は軸方向に延びる窓孔と後方に開口する案内溝を有し、上記ノック部は上記窓孔に摺動可能に嵌合する連結突起と上記案内溝に挿通されるリブを有する請求項1ないし4のいずれかに記載の筆記具。
- 係合孔を有する軸筒と、該軸筒に挿入され外面に係合突起を有し内面に固定カムを形成したカム筒と、該カム筒に軸方向に移動可能で回転不能に連結されるノック部を具備し、上記カム筒の係合突起は、上記軸筒にカム筒を挿入した際上記軸筒の係合孔に係合され回転方向には離脱可能に係合していることを特徴とする筆記具。
- 上記軸筒の内面には、上記カム筒の係合突起を上記係合孔へ誘導するようガイド縁が形成されている請求項6に記載の筆記具。
- 上記係合突起には、カム筒の回転方向に傾斜する斜面が形成されている請求項6または7に記載の筆記具。
- 上記係合突起は、カム筒の軸径方向に弾性的に変位可能に設けられている請求項6または8に記載の筆記具。
- 上記カム筒は軸方向に延びる窓孔と後方に開口する案内溝を有し、上記ノック部は上記窓孔に摺動可能に嵌合する連結突起と上記案内溝に挿通されるリブを有する請求項6ないし9のいずれかに記載の筆記具。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004167107A JP4456414B2 (ja) | 2004-06-04 | 2004-06-04 | 筆記具 |
TW094108162A TWI246470B (en) | 2004-06-04 | 2005-03-17 | Writing instrument |
US11/136,962 US7527445B2 (en) | 2004-06-04 | 2005-05-25 | Writing instrument |
KR1020050045982A KR100687544B1 (ko) | 2004-06-04 | 2005-05-31 | 필기구 |
CNB2005100760142A CN100384642C (zh) | 2004-06-04 | 2005-06-03 | 书写工具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004167107A JP4456414B2 (ja) | 2004-06-04 | 2004-06-04 | 筆記具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005343072A JP2005343072A (ja) | 2005-12-15 |
JP4456414B2 true JP4456414B2 (ja) | 2010-04-28 |
Family
ID=35460697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004167107A Expired - Fee Related JP4456414B2 (ja) | 2004-06-04 | 2004-06-04 | 筆記具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7527445B2 (ja) |
JP (1) | JP4456414B2 (ja) |
KR (1) | KR100687544B1 (ja) |
CN (1) | CN100384642C (ja) |
TW (1) | TWI246470B (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4522442B2 (ja) * | 2007-08-20 | 2010-08-11 | 三菱鉛筆株式会社 | 衝撃緩和装置付きノック式筆記具 |
US8029205B2 (en) * | 2008-12-09 | 2011-10-04 | Willtech (Prc) Limited | Retractable writing instrument |
US8480323B2 (en) | 2010-04-30 | 2013-07-09 | A.T.X. International, Inc. | Expandable writing instrument |
CN203438711U (zh) * | 2013-04-08 | 2014-02-19 | 余成鹏 | 一种环保拔笔 |
JP6872843B2 (ja) * | 2015-02-27 | 2021-05-19 | 三菱鉛筆株式会社 | 筆記具 |
US11214092B2 (en) * | 2019-07-01 | 2022-01-04 | Micro Co., Ltd. | Knocking-type writing instrument equipped with eraser |
CN112937165A (zh) * | 2021-04-23 | 2021-06-11 | 王天佐 | 一种多功能考试专用笔 |
CN114435003A (zh) * | 2022-02-18 | 2022-05-06 | 温州市爱好笔业有限公司 | 静音式伸缩笔 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3137276A (en) * | 1955-08-30 | 1964-06-16 | Kahn David Inc | Protract-retract mechanism and writing instrument including same |
US3273541A (en) * | 1963-09-18 | 1966-09-20 | Parker Pen Co | Adjustable resilient writing instrument |
JPH0753993Y2 (ja) | 1989-07-07 | 1995-12-13 | 株式会社パイロット | 筆記体の出没機構 |
JP2567098Y2 (ja) | 1991-05-20 | 1998-03-30 | 株式会社壽 | 筆記具 |
US5263786A (en) | 1991-10-17 | 1993-11-23 | Kotobuki & Co., Inc. | Rotary-cam ball-point pen |
JP3707576B2 (ja) * | 1996-11-05 | 2005-10-19 | 株式会社パイロットコーポレーション | ノック式筆記具 |
JP3780686B2 (ja) * | 1997-01-31 | 2006-05-31 | ぺんてる株式会社 | 出没式シャ−プペンシル |
JP3837916B2 (ja) * | 1998-05-28 | 2006-10-25 | ぺんてる株式会社 | 後端ノック式筆記具 |
AU2001289574A1 (en) * | 2000-09-01 | 2002-03-13 | Merz And Krell Gmbh & Co. Kgaa | Writing utensil with single-piece mechanical component |
-
2004
- 2004-06-04 JP JP2004167107A patent/JP4456414B2/ja not_active Expired - Fee Related
-
2005
- 2005-03-17 TW TW094108162A patent/TWI246470B/zh not_active IP Right Cessation
- 2005-05-25 US US11/136,962 patent/US7527445B2/en not_active Expired - Fee Related
- 2005-05-31 KR KR1020050045982A patent/KR100687544B1/ko not_active IP Right Cessation
- 2005-06-03 CN CNB2005100760142A patent/CN100384642C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR100687544B1 (ko) | 2007-02-27 |
CN1706662A (zh) | 2005-12-14 |
KR20060046304A (ko) | 2006-05-17 |
TW200540028A (en) | 2005-12-16 |
CN100384642C (zh) | 2008-04-30 |
US20050276652A1 (en) | 2005-12-15 |
TWI246470B (en) | 2006-01-01 |
JP2005343072A (ja) | 2005-12-15 |
US7527445B2 (en) | 2009-05-05 |
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