DE97237C - - Google Patents
Info
- Publication number
- DE97237C DE97237C DENDAT97237D DE97237DA DE97237C DE 97237 C DE97237 C DE 97237C DE NDAT97237 D DENDAT97237 D DE NDAT97237D DE 97237D A DE97237D A DE 97237DA DE 97237 C DE97237 C DE 97237C
- Authority
- DE
- Germany
- Prior art keywords
- head
- insert
- nut
- pencil
- thread
- 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.)
- Active
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910002804 graphite Inorganic materials 0.000 claims 1
- 239000010439 graphite Substances 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 2
- 210000003811 Fingers Anatomy 0.000 description 1
- 210000003813 Thumb Anatomy 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE97237C true DE97237C (US06262066-20010717-C00424.png) |
Family
ID=368303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT97237D Active DE97237C (US06262066-20010717-C00424.png) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE97237C (US06262066-20010717-C00424.png) |
-
0
- DE DENDAT97237D patent/DE97237C/de active Active
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