GB638420A - Improvements in or relating to multiple lead pencils - Google Patents
Improvements in or relating to multiple lead pencilsInfo
- Publication number
- GB638420A GB638420A GB9323/47A GB932347A GB638420A GB 638420 A GB638420 A GB 638420A GB 9323/47 A GB9323/47 A GB 9323/47A GB 932347 A GB932347 A GB 932347A GB 638420 A GB638420 A GB 638420A
- Authority
- GB
- United Kingdom
- Prior art keywords
- recess
- spring
- pencil
- slidable
- multiple lead
- 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
- 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
- B43K24/12—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operating by means sliding in longitudinally-slotted casings
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
638,420. Pencil holders. ETABLISSEMENTS STYLOMINE. April 8, 1947, No. 9323. Convention date, April 11, 1946. [Class 146 (iii)] In a multiple lead propelling pencil wherein a lead holder 2 is advanced against a spring 15 by a member 5a slidable in a slot 4 of the pencil body 1, at the end of the forward stroke of the member 5a, a hook 6 is positioned above a recess 11 in the body 1 and due to a couple produced by the action of the spring 15 and the user's finger on a part 5b attached to the member 5a the part 5b pivots about a face 10 to engage the hook 6 in the recess 11. The lead holder 2 is retracted by depressing the slidable member 5a at 12. In a modification, a projection formed on a slidable member inside' the body 1 engages a recess in the body by being rotated outwardly by the spring 15.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR926468T | 1946-04-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB638420A true GB638420A (en) | 1950-06-07 |
Family
ID=9440580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9323/47A Expired GB638420A (en) | 1946-04-11 | 1947-04-08 | Improvements in or relating to multiple lead pencils |
Country Status (5)
Country | Link |
---|---|
US (1) | US2517522A (en) |
BE (1) | BE472348A (en) |
CH (1) | CH259468A (en) |
FR (1) | FR926468A (en) |
GB (1) | GB638420A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2676570A (en) * | 1949-08-01 | 1954-04-27 | Kahn David Inc | Writing instrument |
US2884900A (en) * | 1952-09-16 | 1959-05-05 | Flo Ball Pen Corp | Writing instrument |
US4986682A (en) * | 1989-12-19 | 1991-01-22 | Lu Shuenn Chin | Retractable finger pen |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR828210A (en) * | 1937-03-18 | 1938-05-12 | Carl Emil Ruf | Changeable lead pencil |
-
0
- BE BE472348D patent/BE472348A/xx unknown
-
1946
- 1946-04-11 FR FR926468D patent/FR926468A/en not_active Expired
-
1947
- 1947-04-03 CH CH259468D patent/CH259468A/en unknown
- 1947-04-08 GB GB9323/47A patent/GB638420A/en not_active Expired
- 1947-07-30 US US764723A patent/US2517522A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2517522A (en) | 1950-08-01 |
BE472348A (en) | |
FR926468A (en) | 1947-10-02 |
CH259468A (en) | 1949-01-31 |
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