US4577850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic paper feeder for reproducing machine
Assignee: Fujifilm Business Innovation Corp
•
Filing: 1984-05-21
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Granted: 1986-03-25
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Expires: 2004-05-21
Abstract
Abstract A cam and abutment surface cooperate to urge apart a paper stack and roller as a paper cassette is inserted into the feeding station of a reproducing machine, thereby providing temporary clearance for the paper stack to pass by the roller during insertion.
Inventors
- 👤 Kokichi Takeyama
- 👤 Kiyoshi Sugawara
- 👤 Yasuyuki Fukagawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:55
CPC Classifications
B; B65; B65H; B65H1/00; B65H1/26; B65H1/266; B65H1/04
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
92 words
In an automatic paper feeder or a reproducing machine, of the type comprising a cassette insertable into a paper feeding station, said paper feeding station including a roller for feeding paper from said cassette into said reproducing machine and said cassette including means for supporting said paper, the improvement comprising: separating means for automatically providing a clearance between said roller and said paper during insertion of said cassette into said paper feeding station by automatically urging said paper away from said roller in response to movement of said cassette into said station.
Claim 2
Dependent Claim
92 words
In an automatic paper feeder or a reproducing machine, of the type comprising a cassette insertable into a paper feeding station, said paper feeding station including a roller for feeding paper from said cassette into said reproducing machine and said cassette including means for supporting said paper, the improvement comprising: separating means for automatically providing a clearance between said roller and said paper during insertion of said cassette into said paper feeding station by automatically urging said paper away from said roller in response to movement of said cassette into said station.
Claim 3
Dependent Claim
74 words
The improvement as claimed in claim 1 wherein said separating means comprises a cam mounted on one of said reproducing machine and said cassette, and an abutment member mounted on the other of said reproducing machine and cassette one of said cam and abutment member being moveable and engageable with said paper, said cam and abutment member engaging one another during insertion of said cassette to move said paper to thereby provide said clearance.
Claim 4
Dependent Claim
33 words
The improvement as claim 2, wherein said cam is movably mounted on said casssette and is engageable with said paper to urge said paper away from said roller during insertion of said cassette.
Claim 5
Dependent Claim
62 words
The improvement as claimed in claim 3, wherein said cassette tray comprises a plate for resiliently supporting said paper and an arm pivotally mounted to said cassette and having a portion resting on an upper surface of said paper, and wherein said cam is integrally formed on said arm and is urged downwardly by said abutment means during insertion of said cassette.
Claim 6
Dependent Claim
25 words
The improvement as claimed in claim 4, wherein said arm comprises a snubber for limiting the amount of paper fed during a paper feeding operation.
References Cited (Backward Citations)
US3563535A
Cited
US4219192A
Cited
US4221375A
Cited
US4444386A
Cited
US4280692A
Cited
US4387889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-03-24 | 1989-09-23 | 1990-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-03-24 | 1993-09-23 | 1994-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-03-24 | 1997-09-23 | 1998-03-25 | $7700.00 | Window Closed / Lapsed |