US3728015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copying apparatus
Assignee: Lumoprint Zindler KG and Co GmbH
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Filing: 1971-05-03
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Granted: 1973-04-17
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Expires: 1991-05-03
Abstract
Abstract An improved copying apparatus with an exposure orifice on the upper surface of the apparatus and associated with a light source and a receiving surface, alongside which a copying material may be moved. A continuous transport arrangement with an inlet and an outlet slot is provided for foliate originals and a reciprocating transparent mounting for more bulky originals.
Inventors
- 👤 E Opravil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:04
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/28
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
332 words
A copying device including a housing, an exposure orifice located within said housing, a top plate forming the upper surface of said housing and located above said exposure orifice, said top plate having an aperture located above said exposure orifice, an exposure device located within said housing, a receiving surface positioned within said housing and spaced from said exposure orifice, said exposure device comprising a light source and deflecting means for directing a light beam from said light source to said reflecting surface, means within said housing for transporting copying material past said receiving surface, wherein the improvement comprises a cover movably mounted on said housing and positionable between a first position located above the aperture in said top plate and a second position displaced laterally from the aperture in said top plate, pairs of transport rollers for moving an original to be copied over the aperture in said top plate in the direction of movement of said cover from its first to its second position, at least one pair of said transport rollers located on the downstream side of the aperture in the direction of the movement of the original over the aperture and at least one other pair of said transport rollers located on the upstream side of said aperture, each said pair of transport rollers comprising an upper roller, a lower roller and drive means for at least one of said upper and lower rollers, each of said upper rollers of said pairs of transport rollers being mounted in said cover for displacement therewith, a transparent mounting surface secured to said cover on the downstream side thereof relative to the direction of movement of the original over the aperture, a displaceable carriage movable over said top plate of said housing and comprised of said cover, the transparent mounting surface and at least said upper rollers of said pair of transport rollers, and means for movably supporting said carriage for movement between the first and second positions of said cover.
Claim 2
Dependent Claim
332 words
A copying device including a housing, an exposure orifice located within said housing, a top plate forming the upper surface of said housing and located above said exposure orifice, said top plate having an aperture located above said exposure orifice, an exposure device located within said housing, a receiving surface positioned within said housing and spaced from said exposure orifice, said exposure device comprising a light source and deflecting means for directing a light beam from said light source to said reflecting surface, means within said housing for transporting copying material past said receiving surface, wherein the improvement comprises a cover movably mounted on said housing and positionable between a first position located above the aperture in said top plate and a second position displaced laterally from the aperture in said top plate, pairs of transport rollers for moving an original to be copied over the aperture in said top plate in the direction of movement of said cover from its first to its second position, at least one pair of said transport rollers located on the downstream side of the aperture in the direction of the movement of the original over the aperture and at least one other pair of said transport rollers located on the upstream side of said aperture, each said pair of transport rollers comprising an upper roller, a lower roller and drive means for at least one of said upper and lower rollers, each of said upper rollers of said pairs of transport rollers being mounted in said cover for displacement therewith, a transparent mounting surface secured to said cover on the downstream side thereof relative to the direction of movement of the original over the aperture, a displaceable carriage movable over said top plate of said housing and comprised of said cover, the transparent mounting surface and at least said upper rollers of said pair of transport rollers, and means for movably supporting said carriage for movement between the first and second positions of said cover.
Claim 3
Dependent Claim
74 words
A copying device, as set forth in claim 1, wherein the edge of said transparent mounting surface adjacent the downstream side of said cover is spaced a suFficient distance from the downstream side edge of said cover to enable foliate originals to pass over the edge of said transparent mounting surface adjacent said cover and under said cover into said one pair of said transport rollers located on the downstream side of said aperture.
Claim 4
Dependent Claim
46 words
A copying device, as set forth in claim 1, wherein means are arranged for displacing said carriage and said means comprise a driving means positioned within said housing and driven means mounted on said carriage for engagement with said driving means for movably displacing said carriage.
Claim 5
Dependent Claim
150 words
A copying device, as set forth in claim 1 wherein a transparent guide for a foliate original is pivotally mounted in said housing above said exposure orifice in the zone of the aperture in said top plate, the pivot axis of said transparent guide extends transversely of the direction of movement of a foliate original past the aperture in said top plate, stop means mounted in said housing for limiting the upward movement of said transparent guide about its pivot axis, spring means positioned within said housing for urging said transparent guide against said stop means, and a holding down device positioned on said carriage and extending along said transparent mounting surface in the direction of movement of said carriage and arranged to contact said transparent guide for swiveling said guide out of the path of said carriage during the displacement of said cover between its first and second positions.
Claim 6
Dependent Claim
101 words
A copying device, as set forth in claim 1, wherein both said upper rollers and said lower rollers of each said pairs of transport rollers are mounted in said cover, a transparent guide for a foliate original extending between said pairs of transport rollers on the downstream and upstream sides of the aperture in said top plate, said transparent guide located above the aperture in said top plate when said cover is in its first position and said transparent guide is displaced with said cover from above the aperture in said top plate when said cover is in the second position.
Claim 7
Dependent Claim
111 words
A copying device, as set forth in claim 5, including a drive gear located on said lower roller of said pair of rollers located on the downstream side of the aperture in said top plate when said cover is in its first position, transmission means extending between said lower roller of said pair of transport rollers on the downstream side and said lower roller of said pair of transport rollers on the upstream side, and a second drive gear mounted within said housing and arranged to mesh with said drive gear on said lower roller when said cover is in its first position located above the aperture in said top plate.
Claim 8
Dependent Claim
66 words
A copying device, as set forth in claim 1, wherein said means for movably supporting said carriage comprises an elongated track positioned along one side of said top plate of said housing which side extends in the direction of movement of said carriage, and support rollers mounted on said carriage and guided in said track for effecting the movable support of said carriage during its movement.
Claim 9
Dependent Claim
60 words
A copying device, as set forth in claim 7, wherein said track has a groove of T-shaped cross section extending in its elongated direction, said T-shaped groove forming a slot in said track facing toward said carriage, and said supporting rollers positioned within said T-shaped groove with the axles of said rollers extending through the slot formed by said groove.
Claim 10
Dependent Claim
82 words
A copying device, as set forth in claim 7, wherein openings are formed in the side of said top plate of said housing opposite the side on which said track is located, at least one supporting roller positioned in each of said openings and supported in said housing, said supporting rollers extending upwardly through the opening in said top plate to the undersurface of said transparent mounting surface for supporting said transparent mounting surface as it is moved along with said carriage.
Claim 11
Dependent Claim
42 words
A copying device, as set forth in claim 8, wherein abutmeNts are provided within said T-shaped groove at spaced positions therein for determining the end positions of the movement of said carriage as said cover moves between its first and second positions.
Claim 12
Dependent Claim
145 words
A copying device, as set forth in claim 3, wherein said driving means comprises a reversable drive motor for effecting a reciprocating to and fro movement of said carriage in accordance with a cycling control, so that said transparent mounting surface is moved across the aperture in said top plate, stops located in the path of said carriage, switching means cooperating with said stops and connected to said drive motor for determining the direction of rotation of said drive motor, and a switch connected to said drive motor for actuating said drive motor, said switch being positioned in the circuit of said light source so that said light source is switched on when said cover is moved in one direction between its first and second positions and is switched off when said cover is moved in the other direction between its first and second positions.
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) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |