Sheet heating device
AssigneeBrother Kogyo Kabushiki Kaisha
InventorsYumio Matsumoto, Yasuo Kimura, Osamu Takagi
Life of this patent
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Abstract
A color copying machine has a sheet heating device for heating a color developer sheet while the sheet is being fed. The sheet heating device includes a sheet feed path along which the sheet is fed, a heater unit spaced from the sheet feed path, and a sheet protective member of an insulating material disposed between the sheet feed path and the heater unit. The sheet protective member has a plurality of holes defined therein for passing radiant heat from the heater unit toward the sheet feed path. The sheet protective member may comprise a mesh screen of intersecting filaments or a punched iron sheet.
Claims12
A sheet heating device for heating a sheet while the sheet is being fed, comprising:
- a sheet feed path along which the sheet is fed;
- a heater unit spaced from said sheet feed path;
- and
- a slotted screen sheet protective member disposed between said sheet feed path and said heater unit, said sheet protective member having a plurality of holes defined therein for passing a heated air from said heater unit toward said sheet feed path, said holes extending in a direction inclined to the sheet feed path.
A sheet heating device for heating a sheet while the sheet is being fed, comprising:
- a sheet feed path along which the sheet is fed;
- a heater unit spaced from said sheet feed path;
- and
- a mesh screen sheet protective member disposed between said sheet feed path and said heater unit, said sheet protective member further comprising filaments of glass fibers and having a plurality of holes defined therein for passing a heated air from said heater unit toward said sheet feed path.
A sheet heating device for heating a sheet while the sheet is being fed, comprising:
- a sheet feed path along which the sheet is fed;
- a heater unit spaced from said sheet feed path;
- and
- a mesh screen protective member disposed fixedly between said sheet feed path and said heater unit, said mesh screen protective member having a plurality of holes defined therein for passing a heated air from said heater unit toward said sheet feed path.
Dependencies are inferred from the claim text.