Typewriting machines – Means auxiliary to typewriting function – Frame – casing – or support for typewriter
Patent
1984-11-13
1986-07-15
Burr, Edgar S.
Typewriting machines
Means auxiliary to typewriting function
Frame, casing, or support for typewriter
4006901, 181201, 361383, B41J 2902
Patent
active
046003266
ABSTRACT:
A casing structure which includes a first casing unit having a first compartment and a second compartment, and a second casing unit having a third compartment. The second casing unit is pivotably connected to the first casing unit so as to open or close with respect thereto. The three compartments have respective inlets and outlets which are connected in series through connecting passages including these outlets and inlets to define an air flow passage. A heat source and sound source, i.e., an electrical and mechanical unit, is arranged in the intermediate second compartment and an air cooling fan is provided in the air flow passage in the vicinity of the heat unit.
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IBM Technical Disclosure Bulletin, "Ventilation System for Data Processing Systems", by Hammer et al., vol. 17, No. 9, 2-'75, pp. 2529-2530.
Fudatsuji Toshiharu
Gooda Kazuhiro
Imazeki Takao
Burr Edgar S.
Fujitsu Limited
Weresh John A.
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