GB414206A - Improvements in or relating to drawing pencil-holders for thin flat leads - Google Patents
Improvements in or relating to drawing pencil-holders for thin flat leadsInfo
- Publication number
- GB414206A GB414206A GB18003/33A GB1800333A GB414206A GB 414206 A GB414206 A GB 414206A GB 18003/33 A GB18003/33 A GB 18003/33A GB 1800333 A GB1800333 A GB 1800333A GB 414206 A GB414206 A GB 414206A
- Authority
- GB
- United Kingdom
- Prior art keywords
- guide
- lead
- pusher
- tip
- rotatable
- 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
- B43K21/08—Writing-core feeding mechanisms with the writing-cores fed by screws
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
414,206. Pencil holders. STOSSEL, M., 46, Regensdorferstrasse, H÷ngg-Z³rich, Switzerland. June 23, 1933, No. 18003. Convention date, June 24, 1932. [Class 146 (iii).] A pencil holder for use with thin flat drawing-leads is provided with a lead guide having a bore corresponding to the shape of the lead and rotatable on its axis, the lead pusher being also of rectangular cross-section and projecting into the bore of the lead guide. The casing 1 is provided with a tip 5 through which projects the lead guide 8 formed with a circular external shape in order to be rotatable in the tip. The guide is also formed with a flange 9 movable in a recess 7 in the tip so as to permit of slight longitudinal movement. The bore of the guide is rectangular to receive the lead 10 and pusher 12. The rear end of the pusher is split to provide a resilient connection with a sleeve 14 connected by a ball and socket joint to a screw 18 co-operating with a screw-threaded sleeve 4 fixed in the casing 1, the screw being rotated by means of a rectangular rod 19 and a sleeve 22 secured in the head 2 rotatable on the end of the casing. The lead guide is extended beyond the tip 5 to provide protection for the lead, and at the lower end is formed of rectangular cross-section, so that, when the device is used with a ruler, it automatically assumes the correct position for marking. The lower end of the guide is bevelled and the edges are rounded so that it will run easily over the surface, the end of the lead being flush with the end of the guide. As the lead wears, the guide is pushed inwardly to the extent allowed by the recess 7 and flange 9 ; when the guide reaches its extreme inner position, the head 2 is rotated to move the pusher forwards, the guide being also propelled due to the friction between the parts.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE414206X | 1932-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB414206A true GB414206A (en) | 1934-08-02 |
Family
ID=6447549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18003/33A Expired GB414206A (en) | 1932-06-24 | 1933-06-23 | Improvements in or relating to drawing pencil-holders for thin flat leads |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE397164A (en) |
| FR (1) | FR757475A (en) |
| GB (1) | GB414206A (en) |
| NL (1) | NL35309C (en) |
-
0
- BE BE397164D patent/BE397164A/xx unknown
- NL NL35309D patent/NL35309C/xx active
-
1933
- 1933-06-23 GB GB18003/33A patent/GB414206A/en not_active Expired
- 1933-06-24 FR FR757475D patent/FR757475A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR757475A (en) | 1933-12-27 |
| BE397164A (en) | |
| NL35309C (en) |
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