CS205119B2 - Balancing mechanism of the enlarging head of the photographic enlarger - Google Patents
Balancing mechanism of the enlarging head of the photographic enlarger Download PDFInfo
- Publication number
- CS205119B2 CS205119B2 CS782787A CS278778A CS205119B2 CS 205119 B2 CS205119 B2 CS 205119B2 CS 782787 A CS782787 A CS 782787A CS 278778 A CS278778 A CS 278778A CS 205119 B2 CS205119 B2 CS 205119B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- tension spring
- head
- slide
- spring
- magnifying
- Prior art date
Links
- 238000010276 construction Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/56—Mounting enlarger head on column ; Mounting reproduction camera on column
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Springs (AREA)
- Transmission Devices (AREA)
- Vibration Prevention Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL1977197832A PL102055B1 (pl) | 1977-05-03 | 1977-05-03 | Counterbalance mechanism for photographic enlarger heads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS205119B2 true CS205119B2 (en) | 1981-04-30 |
Family
ID=19982284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS782787A CS205119B2 (en) | 1977-05-03 | 1978-05-02 | Balancing mechanism of the enlarging head of the photographic enlarger |
Country Status (6)
| Country | Link |
|---|---|
| CS (1) | CS205119B2 (pl) |
| DE (2) | DE2819171A1 (pl) |
| FR (1) | FR2389919A1 (pl) |
| GB (1) | GB1586652A (pl) |
| IT (1) | IT1095717B (pl) |
| PL (1) | PL102055B1 (pl) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH411505A (de) * | 1963-09-12 | 1966-04-15 | Zeiss Jena Veb Carl | Anordnung zum Gewichtsausgleich, insbesondere bei feinmechanisch-optischen Geräten |
-
1977
- 1977-05-03 PL PL1977197832A patent/PL102055B1/pl unknown
-
1978
- 1978-04-26 FR FR7812394A patent/FR2389919A1/fr not_active Withdrawn
- 1978-05-02 DE DE19782819171 patent/DE2819171A1/de active Pending
- 1978-05-02 CS CS782787A patent/CS205119B2/cs unknown
- 1978-05-02 GB GB17299/78A patent/GB1586652A/en not_active Expired
- 1978-05-02 DE DE19787813291U patent/DE7813291U1/de not_active Expired
- 1978-05-02 IT IT22924/78A patent/IT1095717B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| GB1586652A (en) | 1981-03-25 |
| IT1095717B (it) | 1985-08-17 |
| DE7813291U1 (de) | 1979-10-18 |
| PL197832A1 (pl) | 1978-03-13 |
| PL102055B1 (pl) | 1979-02-28 |
| DE2819171A1 (de) | 1978-11-09 |
| FR2389919A1 (pl) | 1978-12-01 |
| IT7822924A0 (it) | 1978-05-02 |
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