US4344703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copying machine with retractable stopper
Assignee: Konica Minolta Inc
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Filing: 1980-11-24
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Granted: 1982-08-17
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Expires: 2000-11-24
Abstract
Abstract A copying machine wherein a retractable stopper device including at least one stopper portion which is normally projected is provided at an original discharge side of the exposure section, and the stopper device is retracted forcibly after the exposure is completed. The retractable stopper device further comprises a pair of leg portions provided on both sides of the member, respectively, compression springs fitted around the leg portions for urging the member upwardly, and a pair of projections projected upwardly and mounted at the both sides of the stopper member.
Inventors
- 👤 Takao Nezu
- 👤 Yasuo Turubuchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:27
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6207; G03B27/625
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
106 words
In a copying machine comprising a copy board having an exposure section, and a document feeding apparatus overlying the copy board for supplying the original to be copied on the exposure section and for discharging the original after the exposure is completed, the improvement characterized in that a retractable stopper device including at least one stopper portion which is normally projected is provided on the copy board at an original discharge side of the exposure section in the copying machine, and means mounted on the document feeding apparatus and engageable with the stopper device whereby the stopper device is retracted forcibly after the exposure is completed.
Claim 2
Dependent Claim
106 words
In a copying machine comprising a copy board having an exposure section, and a document feeding apparatus overlying the copy board for supplying the original to be copied on the exposure section and for discharging the original after the exposure is completed, the improvement characterized in that a retractable stopper device including at least one stopper portion which is normally projected is provided on the copy board at an original discharge side of the exposure section in the copying machine, and means mounted on the document feeding apparatus and engageable with the stopper device whereby the stopper device is retracted forcibly after the exposure is completed.
Claim 3
Dependent Claim
69 words
A copying machine as claimed in claim 1, wherein the retractable stopper device further comprises a pair of leg portions provided on both sides of the stopper device, respectively, compression springs fitted around the leg portions for urging the stopper device upwardly, and a pair of projections projected upwardly and mounted at both sides of the stopper device for engagement with the means mounted on the document feeding apparatus.
Claim 4
Dependent Claim
113 words
A copying machine as claimed in claim 2, wherein the means for forcibly retracting the stopper device comprises a pair of push members supported movably up and down by the document feeding apparatus at positions corresponding to that of the projections, respectively, a pair of levers, each lever being connected at one end thereof to a push member, a control rod mounted at both sides thereof to the other ends of the levers, a drive lever connected at one side thereof to one side of the control rod, and a solenoid connected to the other side of the drive lever, which is energized by an exposure completion signal from the copying machine portion.
Claim 5
Dependent Claim
18 words
A copying machine as claimed in claim 1 comprising biasing means for urging the retractable stopper device upwardly.
Claim 6
Dependent Claim
52 words
A copying machine as claimed in claim 4 wherein the retractable stopper device comprises at least one projection projecting upwardly along a side of the stopper portion, and wherein the means on the document feeding apparatus comprises at least one movable push member engageable with the one projection of the stopper device.
Claim 7
Dependent Claim
33 words
A copying machine as claimed in claim 5 wherein the stopper device comprises at least one leg portion and wherein the biasing means comprises at least one spring disposed around the leg portion.
Claim 8
Dependent Claim
27 words
A copying machine as claimed in claim 6 wherein the means mounted on the document feeding apparatus comprises a solenoid for effecting movement of the push member.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-08-16 | 1986-02-15 | 1986-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-08-16 | 1990-02-15 | 1990-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-08-16 | 1994-02-15 | 1994-08-17 | $7700.00 | Window Closed / Lapsed |