Patent US4003570A successfully refreshed from Google Patents.
US4003570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor for transfer sheet fixing apparatus
Assignee: Ricoh Co Ltd
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Filing: 1975-07-14
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Granted: 1977-01-18
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Expires: 1995-07-14
Abstract
Abstract A table is detachably mounted to a fixing apparatus adjacent to and aligned with an inlet opening thereof. The table is formed with a longitudinal slot through which a pusher member vertically extends. A transfer sheet is placed on the table, and drive means reciprocally move the pusher member to push the transfer sheet into the fixing apparatus and return the pusher member to its original position.
Inventors
- 👤 Masanori Yamanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:18
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/65; G03G15/6529; G03G15/20; G03G15/2003; G03G15/2007
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
127 words
In a transfer sheet fixing apparatus having a housing provided with an inlet opening, the combination therewith of a transfer sheet conveyor comprising; a table mounted adjacent to the inlet opening and having a longitudinal slot formed therethrough longitudinally aligned with the inlet opening; a pusher member extending through the slot; and drive means including a belt and pulley assembly supported by the table for reciprocally moving the pusher member, the belt and pulley assembly comprising an endless belt arranged parallel to the slot and connected to the pusher member, two pulleys training the belt therearound and having the same radius, a first gear fixed for rotation with one of the pulleys, and a second gear rotatably supported by the housing and meshing with the first gear.
Claim 2
Dependent Claim
127 words
In a transfer sheet fixing apparatus having a housing provided with an inlet opening, the combination therewith of a transfer sheet conveyor comprising; a table mounted adjacent to the inlet opening and having a longitudinal slot formed therethrough longitudinally aligned with the inlet opening; a pusher member extending through the slot; and drive means including a belt and pulley assembly supported by the table for reciprocally moving the pusher member, the belt and pulley assembly comprising an endless belt arranged parallel to the slot and connected to the pusher member, two pulleys training the belt therearound and having the same radius, a first gear fixed for rotation with one of the pulleys, and a second gear rotatably supported by the housing and meshing with the first gear.
Claim 3
Dependent Claim
21 words
The apparatus according to claim 1, in which the drive means for further comprises a clutch connected to the second gear.
Claim 4
Dependent Claim
32 words
The apparatus according to claim 2, in which the drive means further comprises actuator means for engaging and disengaging the clutch, and transfer sheet position sensor means for controlling the actuator means.
Claim 5
Dependent Claim
14 words
The apparatus according to claim 3, in which the actuator means comprises a solenoid.
Claim 6
Dependent Claim
58 words
The apparatus according to claim 1, in which the belt is arranged in a vertical plane, the belt and pulley assembly further comprising a connecting member connecting the belt to the pusher member, the distance between points of connection of the connecting member to the belt and pusher member being substantially equal to the radius of the pulleys.
Claim 7
Dependent Claim
31 words
The apparatus according to claim 1, in which the drive means further comprises a clutch connected to the belt and pulley assembly and actuator means for engaging and disengaging the clutch.
Claim 8
Dependent Claim
14 words
The apparatus according to claim 6, in which the actuator means comprises a solenoid.
Claim 9
Dependent Claim
20 words
The apparatus according to claim 6, in which the drive means further comprises sensor means for controlling the actuator means.
Claim 10
Dependent Claim
20 words
The apparatus according to claim 8, in which the sensor means comprises a photosensor assembly mounted near the inlet opening.
Claim 11
Dependent Claim
19 words
The apparatus according to claim 1, in which the table and pusher member are detachably mounted to the housing.
Claim 12
Dependent Claim
30 words
The apparatus according to claim 1, in which the table comprises an elongated guide member arranged parallel to the slot, the pusher member being slidably connected to the guide member.
Claim 13
Dependent Claim
30 words
The apparatus according to claim 1, in which the fixing apparatus has an outlet opening, and which further comprises, in combination, a feed roller assembly mounted near the outlet opening.
Claim 14
Dependent Claim
19 words
The apparatus according to claim 12, further comprising transfer sheet position sensing means for controlling the feed roller assembly.
References Cited (Backward Citations)
US1888659A
Cited
US3369807A
Cited
US3795442A
Cited
US3716294A
Cited
US3603680A
Cited
US3879030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-01-18 | 1980-07-19 | 1981-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-01-18 | 1984-07-19 | 1985-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-01-18 | 1988-07-19 | 1989-01-18 | $7700.00 | Window Closed / Lapsed |