Hammer coil cooling means in line printer

Details Hammer coil cooling means in line printer Hammer coil cooling means in line printer

1986-08-25

1988-10-18

Burr, Edgar S.

Typewriting machines

Miscellaneous

101 9305, 400125, 400174, B41J 2900

Patent

active

047782978

ABSTRACT:
A cooled print hammer assembly in which a plurality of hammer coils are formed in a resin member having a recess in which is placed a cooling fin. The opened faces of the fins are placed adjacent a plate of the frame of the print hammer assembly so that closed forced-air ducts are defined by the fins and the frame plate. Additionally, partitions may be placed on the sides of the fins so that the external sides of the fins are cooled.

REFERENCES:
patent: 4388009 (1903-06-01), Kumagai et al.
patent: 4407591 (1983-10-01), Adamoli et al.
patent: 4602881 (1986-07-01), Prevignano et al.
patent: 4697939 (1987-10-01), Ara
IBM Tech. Disc. Bulletin, "Conduction-Air-Cooled Hammer Mounting Bar", Stutzman, vol. 27, No. 5, Oct. 1984, pp. 2978-2979.
IBM Tech Disc. Bulletin, "Double-Sided Thermal Conduction Module Cooling", vol. 28, No. 3, Aug. 1985, p. 1094.

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