JPH0360372U - - Google Patents
Info
- Publication number
- JPH0360372U JPH0360372U JP12243889U JP12243889U JPH0360372U JP H0360372 U JPH0360372 U JP H0360372U JP 12243889 U JP12243889 U JP 12243889U JP 12243889 U JP12243889 U JP 12243889U JP H0360372 U JPH0360372 U JP H0360372U
- Authority
- JP
- Japan
- Prior art keywords
- heat
- roller
- fixing device
- thermostat
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012210 heat-resistant fiber Substances 0.000 claims 1
- 229920002545 silicone oil Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Fixing For Electrophotography (AREA)
Description
第１図は、実施例の概略説明図、第２図は、実
施例の要部組立て図、第３図は、従来例の概略説
明図、第４図は、別の従来例の概略説明図である
。
１……熱定着装置、２……フレーム、３……加
圧ローラ、４……ヒートローラ、４ａ……ローラ
面、６……電熱発生器、７……電源、９……付勢
手段（板ばね）、１０……サーモスタツト、１０
ａ……感熱面、１１……弾性体。
Fig. 1 is a schematic explanatory diagram of the embodiment, Fig. 2 is an assembly diagram of main parts of the embodiment, Fig. 3 is a schematic explanatory diagram of a conventional example, and Fig. 4 is a schematic explanatory diagram of another conventional example. It is. DESCRIPTION OF SYMBOLS 1... Heat fixing device, 2... Frame, 3... Pressure roller, 4... Heat roller, 4a... Roller surface, 6... Electric heat generator, 7... Power supply, 9... Urging means ( leaf spring), 10...Thermostat, 10
a...Thermosensitive surface, 11...Elastic body.
Claims (1)
ーラと、 上記加圧ローラに押圧されるとともにフレーム
に対して回動自在に設けたヒートローラと、 上記ヒートローラの内部に設けた電熱発生器と
、 上記電熱発生器に接続した電源と、 上記電熱発生器と上記電源との間に電気的に直
列接続したものであつて上記ヒートローラのロー
ラ面に感熱面を対向させたサーモスタツトとによ
り成る熱定着装置において、 上記フレームに付勢手段を介してサーモスタツ
トを取り付けるとともに上記ヒートローラのロー
ラ面に対して摺動自在にした弾性体を上記サーモ
スタツトの感熱面側外周に設けたものであつて、
上記サーモスタツトの感熱面と上記ヒートローラ
のローラ面とを非接触に保持したことを特徴とす
る熱定着装置。 (2) 上記弾性体は、耐熱性繊維で形成したもの
で目付けが９００ｇ／m2以上１，２００ｇ／m2以
下のフエルトにより成ることを特徴とする請求項
１記載の熱定着装置。 (3) 上記フエルトには、粘度が１，０００ｃＳ
ｔ以上１００，０００ｃＳｔ以下のシリコンオイ
ルを含浸させたことを特徴とする請求項２記載の
熱定着装置。[Claims for Utility Model Registration] (1) A pressure roller rotatably provided with respect to the frame; a heat roller which is pressed by the pressure roller and rotatably provided with respect to the frame; An electric heat generator provided inside the heat roller, a power source connected to the electric heat generator, and an electrically connected in series between the electric heat generator and the power source. In a heat fixing device comprising a thermostat with heat-sensitive surfaces facing each other, the thermostat is attached to the frame via a biasing means, and an elastic body slidable on the roller surface of the heat roller is attached to the thermostat. provided on the outer periphery of the heat-sensitive surface of the
A heat fixing device characterized in that a heat sensitive surface of the thermostat and a roller surface of the heat roller are held in a non-contact manner. (2) The heat fixing device according to claim 1, wherein the elastic body is made of heat-resistant fiber and is made of felt having a basis weight of 900 g/m 2 or more and 1,200 g/m 2 or less. (3) The above felt has a viscosity of 1,000 cS.
3. The heat fixing device according to claim 2, wherein the heat fixing device is impregnated with silicone oil having a strength of t to 100,000 cSt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12243889U JPH0360372U (en) | 1989-10-19 | 1989-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12243889U JPH0360372U (en) | 1989-10-19 | 1989-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0360372U true JPH0360372U (en) | 1991-06-13 |
Family
ID=31670439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12243889U Pending JPH0360372U (en) | 1989-10-19 | 1989-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0360372U (en) |
-
1989
- 1989-10-19 JP JP12243889U patent/JPH0360372U/ja active Pending
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