| (19) |
 |
|
(11) |
EP 0 442 726 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
30.10.1991 Bulletin 1991/44 |
| (43) |
Date of publication A2: |
|
21.08.1991 Bulletin 1991/34 |
| (22) |
Date of filing: 13.02.1991 |
|
| (51) |
International Patent Classification (IPC)5: B41J 29/02 |
|
| (84) |
Designated Contracting States: |
|
DE FR GB |
| (30) |
Priority: |
14.02.1990 JP 12783/90
|
| (71) |
Applicant: Oki Electric Industry Co., Ltd. |
|
Tokyo (JP) |
|
| (72) |
Inventors: |
|
- Mizutani, Minoru
c/o Oki Electric Ind. Co., Ltd.
Tokyo (JP)
- Watanabe, Shyoichi
c/o Oki Electric Ind. Co. Ltd.
Tokyo (JP)
|
| (74) |
Representative: Read, Matthew Charles et al |
|
Venner Shipley & Co.
20 Little Britain
London EC1A 7DH
London EC1A 7DH (GB) |
|
| |
|
|
|
Remarks: |
|
The title of the invention has been amended (Guidelines for Examination in the EPO,
A-III, 7.3). |
|
| (54) |
Frame structure for a printer |
(57) In a printer which comprises a mechanical unit having a platen (8) a carriage (10)
on which a print head (9) is mounted, and other mechanical components, a controller
board (3) and a power unit (4) connected via connectors to the respective mechanical
components (22b) of the mechanical unit, and an upper cover covering these from above,
a main frame (22) comprising a mechanical component attachment section which has a
horizontal bottom and walls erected from the bottom surface to form a box-like enclosure,
and on which mechanically functioning components are attached, and a fastening section
(22c) provided at the periphery of the mechanical component attachment section for
fastening the controller board (3) and power unit (4), is formed by integral molding
from a plastic material. Suitable plastic materials are ABS resin, PPO resin, PC/ABS
polymer alloy resin, or ABS/PBT polymer alloy resin that is reinforced with glass
fiber.