Patent US4509738A successfully refreshed from Google Patents.
US4509738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal paper feed cassette
Assignee: Konica Minolta Inc
•
Filing: 1983-08-24
•
Granted: 1985-04-09
•
Expires: 2003-08-24
Abstract
Abstract A universal paper feed cassette wherein the lift of a bottom plate adapted to be raised by a spring lift member provided on a paper feed base is regulated by a paper-pressure regulator slidable in the widthwise direction of the recording paper along the inner surface of the bottom plate and having a thickness varying in the widthwise direction thereof, so that an equal paper pressure can be obtained irrespective of the size of the recording paper. The thickness of the paper-pressure regulator varies in a stepped manner in the widthwise direction thereof.
Inventors
- 👤 Naoki Aoki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:47
CPC Classifications
B; B65; B65H; B65H1/00; B65H1/26; B65H1/266; B65H1/04; B65H1/08; B65H1/24
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
112 words
A universal paper feed cassette comprising: a bottom plate adapted to be raised by a spring lift member provided on a paper feed base of a recording apparatus to which said universal paper feed cassette is set; a restriction plate slidable in the widthwise direction of the recording paper and adapted to restrict the widthwise movement of the recording paper; paper-pressure regulator slidable in the widthwise direction of the recording paper along the inner surface of said bottom plate and having a thickness varying in the widthwise direction thereof, said regulator being linked to said restriction plate, and said bottom plate being thereby raised by said spring lift member via said regulator.
Claim 2
Dependent Claim
112 words
A universal paper feed cassette comprising: a bottom plate adapted to be raised by a spring lift member provided on a paper feed base of a recording apparatus to which said universal paper feed cassette is set; a restriction plate slidable in the widthwise direction of the recording paper and adapted to restrict the widthwise movement of the recording paper; paper-pressure regulator slidable in the widthwise direction of the recording paper along the inner surface of said bottom plate and having a thickness varying in the widthwise direction thereof, said regulator being linked to said restriction plate, and said bottom plate being thereby raised by said spring lift member via said regulator.
Claim 3
Dependent Claim
25 words
A universal paper feed cassette of claim 1, wherein the thickness of said paper-pressure regulator varies in a stepped manner in the widthwise direction thereof.
References Cited (Backward Citations)
US4307878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-04-08 | 1988-10-08 | 1989-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-04-08 | 1992-10-08 | 1993-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-04-08 | 1996-10-08 | 1997-04-09 | $7700.00 | Window Closed / Lapsed |