Typewriting machines – Control of print position along print-line by signal...
Patent
1996-03-20
1996-12-31
Burr, Edgar R.
Typewriting machines
Control of print position along print-line by signal...
400 59, 400322, 400352, 400692, 4007051, B41J 1900
Patent
active
055887570
ABSTRACT:
A recording apparatus for performing recording uses a carriage mounted with a recording head moving along a guide shaft. The recording apparatus includes a magnetic linear encoder consisting of a scale element magnetized and a detection unit for detecting magnetized information magnetized to the scale element. Provided also are clicks formed on any one of the detection unit and the carriage and click engaging portions formed in the other one of the detection unit and the carriage. The clicks engage with the click engaging portions, whereby the detection unit is snap-locked to the carriage. This enables the detection unit of the magnetic linear encoder to be readily attached to the carriage and besides, when attached, prevents disorder of the information magnetized to the scale element. Further, even when a position of the carriage shifts corresponding to sheets having different thicknesses, a sliding load of the carriage does not change. Deformation and abrasion of the scale element of the magnetic linear encoder are restrained as much as possible. Moreover, the abrasion of bearings of a head of the magnetic linear encoder is eliminated.
REFERENCES:
patent: 4601241 (1986-07-01), Fujiwara
patent: 5297881 (1994-03-01), Ishiyama
Kanemitsu Shinji
Kashimura Makoto
Kikuchi Shoji
Matsui Shinya
Morioka Hisashi
Burr Edgar R.
Canon Kabushiki Kaisha
Kelley Steven S.
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