US4063066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixing apparatus for a copying machine
Assignee: Konica Minolta Inc
•
Filing: 1976-11-30
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Granted: 1977-12-13
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Expires: 1996-11-30
Abstract
Abstract A hollow fixing roll supported by bearing means, including a heater therewithin, an annular resin adiabatic member in the born part of the fixing roll and an annular rigid metal member disposed between the bearing means and the adiabatic member so as to cover the adiabatic member.
Inventors
- 👤 Mitsuru Nagoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:58
CPC Classifications
F; F16; F16C; F16C27/00; F16C27/06; F16C27/066; G; G03; G03G; G03G15/00; G03G15/20; G03G15/2003; G03G15/2014; G03G15/2053; H; H05; H05B; H05B3/00; H05B3/0095
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
82 words
In a fixing apparatus for a copying machine including a bearing device, a rotatable hollow fixing roll supported by said bearing device, and a heater contained within said hollow fixing roll, the improvement wherein said bearing device comprises a bearing, an annular resin adiabatic member, and an annular rigid metal member disposed between said bearing and said annular resin adiabatic member, said annular rigid metal member having a flange portion extending radially inwardly from an end of said annular rigid metal member.
Claim 2
Dependent Claim
82 words
In a fixing apparatus for a copying machine including a bearing device, a rotatable hollow fixing roll supported by said bearing device, and a heater contained within said hollow fixing roll, the improvement wherein said bearing device comprises a bearing, an annular resin adiabatic member, and an annular rigid metal member disposed between said bearing and said annular resin adiabatic member, said annular rigid metal member having a flange portion extending radially inwardly from an end of said annular rigid metal member.
Claim 3
Dependent Claim
31 words
A fixing apparatus as recited in claim 1, wherein said annular rigid metal member has two flange portions extending radially inwardly from the opposite ends of said annular rigid metal member.
References Cited (Backward Citations)
US1152680A
Cited
GB525432A
Cited
US2837202A
Cited
US3306680A
Cited
US3437032A
Cited
US3423573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-12-12 | 1981-06-13 | 1981-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-12 | 1985-06-13 | 1985-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-12 | 1989-06-13 | 1989-12-13 | $7700.00 | Window Closed / Lapsed |