GB1273716A - Mechanical pencil - Google Patents
Mechanical pencilInfo
- Publication number
- GB1273716A GB1273716A GB812971A GB812971A GB1273716A GB 1273716 A GB1273716 A GB 1273716A GB 812971 A GB812971 A GB 812971A GB 812971 A GB812971 A GB 812971A GB 1273716 A GB1273716 A GB 1273716A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pencil
- rotated
- cam member
- mechanical pencil
- cylindrical cam
- 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
Links
Classifications
-
- 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
- B43K21/027—Writing-core feeding mechanisms with sliding tubelike writing-core guide
-
- 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
- B43K21/08—Writing-core feeding mechanisms with the writing-cores fed by screws
- B43K21/10—Writing-core feeding mechanisms with the writing-cores fed by screws with separate writing-core remnants ejecting-bar
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
1,273,716. Mechanical pencil point protectors. DAI NIHON BUNGU K. K. 29 May, 1969 [29 May, 1968; 11 July, 1968], No. 8129/71. Divided out of 1,272,835. Heading B6P. The barrel 3 of a propelling pencil is provided with a guard sleeve 13 which can be projected and retracted to conceal the writing tip of the pencil, which tip has a lead guide tube for protecting a thin lead. When a cylindrical cover sleeve 15 is rotated, a helical slot 8 (Fig. 2) of an outer cylindrical cam member 7 is also rotated so that a knob 14 extending from the guard sleeve 13 is thereby advanced along the straight slot 10 of an inner cylindrical cam member 9 (Fig. 3).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3609868 | 1968-05-29 | ||
JP43048681A JPS4925848B1 (en) | 1968-07-11 | 1968-07-11 | |
GB2729069A GB1272835A (en) | 1968-05-29 | 1969-05-29 | Mechanical pencil |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1273716A true GB1273716A (en) | 1972-05-10 |
Family
ID=27258616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB812971A Expired GB1273716A (en) | 1968-05-29 | 1969-05-29 | Mechanical pencil |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1273716A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101426714B (en) * | 2006-03-06 | 2011-06-15 | 马士基西班牙股份公司 | Automatic system for guiding, retaining and adjusting cables |
-
1969
- 1969-05-29 GB GB812971A patent/GB1273716A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101426714B (en) * | 2006-03-06 | 2011-06-15 | 马士基西班牙股份公司 | Automatic system for guiding, retaining and adjusting cables |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |