Photocopying – Including fiber optics
Patent
1978-01-04
1979-05-22
Moses, R. L.
Photocopying
Including fiber optics
355 11, G03G 1528
Patent
active
041556410
ABSTRACT:
Apparatus for scanning an original in a copying machine herein disclosed is of the type in which first and second mirrors are moved in the same direction at the velocity rate of 1:1/2. The apparatus comprises first and second carriages for supporting and carrying the first and second mirrors respectively, a guide rail for supporting the carriages movably in the direction of their movement and a particular arrangement of pulleys to move the mirrors. The arrangement comprises first and second movable pulleys provided on the second carriage and spaced from one another and first and second stationary pulleys. The first stationary pulley is positioned on the side of the second movable pulley relative to the first movable one whereas the second stationary pulley is positioned on the side of the first movable pulley relative to the second one. A wire extends over passing around these pulleys, with its one end being fastened to a stationary part of the apparatus after being passed around the first stationary pulley and then around the first movable pulley. The other end part turned back around the second stationary pulley extends to the second movable pulley where it turns back around the pulley and then its end is finally fastened to a stationary part of the apparatus. At the segment of the pulley wire extending between the first stationary pulley and the first movable pulley, the first carriage is fixedly connected with the wire so as to cause the first and second mirrors to move with the movement of the wire.
REFERENCES:
patent: 3884574 (1975-05-01), Doi et al.
patent: 4073584 (1978-02-01), Kitajima
Hattori Hiroyuki
Kishi Hirotoshi
Ogawa Hiroshi
Sagara Seiji
Umezawa Kazumi
Canon Kabushiki Kaisha
Moses R. L.
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