US3556008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink container mount with selectively operative springs for expelling ink
Assignee: AB Dick Co
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Filing: 1969-02-10
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Granted: 1971-01-19
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Expires: 1989-02-10
Abstract
Abstract A device for mounting a disposable ink-filled cartridge on a duplicating machine and for applying pressure to the ink in the cartridge to expel it gradually on to a first inking roller of the machine. The device is adjustable for use with inks of varying viscosities in that the means for pressurizing the ink comprises a number of springs which act individually and are each able to be selectably locked in nonoperative conditions, so that a suitable combination of springs may be made operative depending on the nature of the ink.
Inventors
- 👤 Henry A Branfield
- 👤 Harold R Balding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:24
CPC Classifications
B; B41; B41F; B41F31/00; B41F31/02; B41F31/04
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
124 words
A device for mounting an ink container on a printing or duplicating machine of the kind described, which ink container has an elongate lip arranged to define an ink metering gap between itself and the surface of an inking roller and has at least one ink outlet opening in a wall thereof adjacent said lip, such device including: means for applying pressure to the ink in said container to expel ink therefrom via said outlet opening; spring means for driving said pressure applying means, said spring means comprising a plurality of springs each arranged to act separately on said pressure applying means; and means enabling an operator to select which one or more of said springs is to be operative at any one time.
Claim 2
Independent Claim
124 words
A device for mounting an ink container on a printing or duplicating machine of the kind described, which ink container has an elongate lip arranged to define an ink metering gap between itself and the surface of an inking roller and has at least one ink outlet opening in a wall thereof adjacent said lip, such device including: means for applying pressure to the ink in said container to expel ink therefrom via said outlet opening; spring means for driving said pressure applying means, said spring means comprising a plurality of springs each arranged to act separately on said pressure applying means; and means enabling an operator to select which one or more of said springs is to be operative at any one time.
Claim 3
Dependent Claim
57 words
A device as claimed in claim 1, wherein the arrangement is such that the action of withdrawing said pressure applying means causes all of said springs to be loaded, the said selector means being operable to lock in its loaded condition the or each spring which it is desired should not act on the pressure applying means.
Claim 4
Dependent Claim
27 words
A device as claimed in claim 2, including means automatically operative to prevent operation of said selector means to release a loaded and locked spring during operation.
Claim 5
Dependent Claim
19 words
A device as claimed in claim 1, wherein each of said springs is a constant rate coiled leaf spring.
Claim 6
Dependent Claim
73 words
A device as claimed in claim 1, which comprises a boxlike housing for the ink container, such housing carrying an adjustable blade positioned to engage the back of the aforementioned lip of an ink container when the latter is mounted in the housing, so as to enable the width of the ink metering gap defined between the said lip and The associated inking roller to be adjusted at various points along its length.
Claim 7
Dependent Claim
29 words
A device as claimed in claim 1, wherein the said pressure applying means includes a plunger or roller arranged to act directly on the ink in the said container.
Claim 8
Dependent Claim
31 words
A device as claimed in claim 1, wherein the said pressure applying means includes pusher means adapted to act on a plunger or roller provided in conjunction with the said container.
Claim 9
Dependent Claim
61 words
A device as claimed in claim 1, wherein the said pressure applying means includes pusher means for acting on a plunger in the said ink container, and such pusher means incorporates means selectively engageable with the body of an ink container mounted in the device to bring about ejection of said container from the device by operation of said pusher means.
Claim 10
Dependent Claim
127 words
A printing or duplicating machine of the kind described, incorporating means for mounting an ink container on the machine, which ink container has an elongate lip arranged to define an ink metering gap between itself and the surface of an inking roller and has at least one ink outlet opening in a wall thereof adjacent said lip, such mounting means including means for applying pressure to the ink in said container to expel ink therefrom via said outlet opening; spring means for driving said pressure applying means, said spring means comprising a plurality of springs each arranged to act separately on said pressure applying means; and means enabling an operator to select which one or more of said springs is to be operative at any one time.
Claim 11
Dependent Claim
127 words
A printing or duplicating machine of the kind described, incorporating means for mounting an ink container on the machine, which ink container has an elongate lip arranged to define an ink metering gap between itself and the surface of an inking roller and has at least one ink outlet opening in a wall thereof adjacent said lip, such mounting means including means for applying pressure to the ink in said container to expel ink therefrom via said outlet opening; spring means for driving said pressure applying means, said spring means comprising a plurality of springs each arranged to act separately on said pressure applying means; and means enabling an operator to select which one or more of said springs is to be operative at any one time.
Claim 12
Dependent Claim
61 words
A printing or duplicating machine as claimed in claim 9, wherein the arrangement is such that the action i of withdrawing said pressure applying means causes all of said springs to be loaded, the said selector means being operable to lock in its loaded condition the or each spring which it is desired should not act on the pressure applying means.
Claim 13
Dependent Claim
30 words
A printing or duplicating machine as claimed in claim 10, including means automatically operative to prevent operation of said selector means to release a loaded and locked spring during operation.
Claim 14
Dependent Claim
22 words
A printing or duplicating machine as claimed in claim 9, wherein each of said springs is a constant rate coiled leaf spring.
Claim 15
Dependent Claim
79 words
A printing or duplicating machine as claimed in claim 9, wherein said mounting means comprises a boxlike housing for the ink container, such housing carrying an adjustable blade positioned to engage the back of the aforementioned lip of an ink container when the latter is mounted in the housing, so as to enable the width of the ink metering gap defined between the said lip and the associated inking roller to be adjusted at various points along its length.
Claim 16
Dependent Claim
32 words
A printing or duplicating machine as claimed in claim 9, wherein the said pressure applying means includes a plunger or roller arranged to act directly on the ink in the said container.
Claim 17
Dependent Claim
34 words
A printing or duplicating machine as claimed in claim 9, wherein the said pressure applying means includes pusher means adapted to act on a plunger or roller provided in conjunction with the said container.
Claim 18
Dependent Claim
64 words
A printing or duplicating machine as claimed in claim 9, wherein the said pressure applying means includes pusher means for acting on a plunger in the said ink container, and such pusher means incorporates means selectively engageable with the body of an ink container mounted in the device to bring about ejection of said container from the device by operation of said pusher means.
References Cited (Backward Citations)
US2998767A
Cited
US3354823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |