Photocopying – Including fiber optics
Patent
1985-01-23
1987-02-24
Moses, R. L.
Photocopying
Including fiber optics
355 11, 355 66, G03G 1500
Patent
active
046453296
ABSTRACT:
An apparatus for scanning an original comprises a guide bar extending in the direction of scanning an original, and a first carriage and a second carriage are mounted on this guide bar so as to be slidable along the guide bar, respectively. A first movable mirror for reflecting an image of the original is supported on the first carriage and a second movable mirror for reflecting again the image of the original reflected by the first movable mirror is supported on the second carriage, respectively. A zoom lens whose conjugate length is always constant is installed between the second movable mirror and a fixed mirror. The second carriage extends long in the direction of extension of the guide bar, and pulleys are mounted on both ends thereof. A wire is set round the two pulleys, and both ends of the wire are hooked by holders fixed a base body, also being fixed to the first carriage. A timing belt is set round a rotary shaft of a motor and an idler, and a part of the timing belt is fixed to the first carriage. When the motor is rotated, the first carriage moves and also the second carriage moves in the same direction at a speed of 1/2 of that of the first carriage.
REFERENCES:
patent: 4367945 (1983-01-01), Abe
patent: 4487497 (1984-12-01), Kimura et al.
patent: 4519702 (1985-05-01), Shigemura et al.
patent: 4533233 (1985-08-01), Kimura et al.
Moses R. L.
Sanyo Electric Co,. Ltd.
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