GB1424507A - Mechanical pencil - Google Patents

Mechanical pencil

Info

Publication number
GB1424507A
GB1424507A GB1309174A GB1309174A GB1424507A GB 1424507 A GB1424507 A GB 1424507A GB 1309174 A GB1309174 A GB 1309174A GB 1309174 A GB1309174 A GB 1309174A GB 1424507 A GB1424507 A GB 1424507A
Authority
GB
United Kingdom
Prior art keywords
mechanical pencil
pencil
mechanical
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
Application number
GB1309174A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sperti V R
Original Assignee
Sperti V R
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 as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sperti V R filed Critical Sperti V R
Publication of GB1424507A publication Critical patent/GB1424507A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0035—Pen-like sprayers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K21/00—Propelling pencils
    • B43K21/02—Writing-core feeding mechanisms
    • B43K21/16—Writing-core feeding mechanisms with stepwise feed of writing-cores
    • B43K21/20—Writing-core feeding mechanisms with stepwise feed of writing-cores with writing-cores automatically replaced from magazines
    • 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
    • B43K24/086—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 heart-shaped cams, balls

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
GB1309174A 1973-05-15 1974-03-25 Mechanical pencil Expired GB1424507A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00360444A US3814524A (en) 1973-05-15 1973-05-15 Mechanical pencil

Publications (1)

Publication Number Publication Date
GB1424507A true GB1424507A (en) 1976-02-11

Family

ID=23417976

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1309174A Expired GB1424507A (en) 1973-05-15 1974-03-25 Mechanical pencil

Country Status (7)

Country Link
US (1) US3814524A (en)
JP (1) JPS5015621A (en)
CA (1) CA1001584A (en)
DE (1) DE2423169A1 (en)
FR (1) FR2229558B1 (en)
GB (1) GB1424507A (en)
IT (1) IT1004110B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165941A (en) * 1976-07-10 1979-08-28 Kotobuki & Co. Ltd. Mechanical pencil
US4166707A (en) * 1977-10-25 1979-09-04 Eyelet Specialty Co., Inc. Swivel lipstick or the like container
US4270869A (en) * 1979-09-10 1981-06-02 Zebra Co., Ltd. Composite writing instrument
US4268183A (en) * 1979-09-10 1981-05-19 Zebra Co., Ltd. Composite writing instrument
JPS6233770U (en) * 1985-08-14 1987-02-27
DE3624152C1 (en) * 1986-07-17 1987-09-10 Faber Castell A W Feed mechanism for a writing instrument
US5171097A (en) * 1991-05-21 1992-12-15 Pilot Precision Kabushiki Kaisha Mechanical pencil with lead-feeding device operable by forward shake
JPH08207489A (en) * 1994-12-07 1996-08-13 Kotobuki:Kk Double chuck type mechanical pencil
TW396962U (en) * 1997-01-31 2000-07-01 Pentel Kk Mechanical pencil
CN1450959A (en) * 2000-09-01 2003-10-22 梅茨和克莱尔股份两合公司 Writting utensil with single-piece mechanical component
US7350774B2 (en) * 2004-09-07 2008-04-01 Danly Iem, Llc Long travel, high force combination spring
JP5320259B2 (en) * 2009-10-29 2013-10-23 ミクロ株式会社 Knock-type writing instrument
CN102328530A (en) * 2010-07-12 2012-01-25 真彩文具有限公司 Silent pressing pen
US10753387B2 (en) * 2014-10-20 2020-08-25 Kongsberg Automotive Ab Ball pin connector
MY192112A (en) * 2015-11-09 2022-07-28 Quanzhou Yiyang Twingo Stationery Co Ltd A press structure for press type stationery
CN109927448A (en) * 2019-04-17 2019-06-25 东莞市银石礼品制造有限公司 A kind of commercial affairs pen
CN110303801B (en) * 2019-07-15 2020-10-09 杭州简弈科技有限公司 Telescopic pen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US387042A (en) * 1888-07-31 Pen or lead holder
US420033A (en) * 1890-01-28 Pen and pencil holder
DE1911585A1 (en) * 1969-03-07 1970-10-01 Schwan Bleistift Fabrik Writing implement with a twist mechanism

Also Published As

Publication number Publication date
CA1001584A (en) 1976-12-14
JPS5015621A (en) 1975-02-19
IT1004110B (en) 1976-07-10
US3814524A (en) 1974-06-04
FR2229558A1 (en) 1974-12-13
DE2423169A1 (en) 1974-12-05
FR2229558B1 (en) 1978-07-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee