US3762319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plate wiping mechanism for intaglio press
Assignee: BNY Mellon NA
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Filing: 1971-08-20
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Granted: 1973-10-02
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Expires: 1991-08-20
Abstract
Abstract The plate wiping mechanism includes a wiping roll running in the opposite direction to and having its surface in rubbing contact with the printing plate of the intaglio press. The wiping roll is journaled in the sides of a tank containing an ink solvent, so that the periphery of the wiping roll moves from its position of contact with the plate through a bath of ink solvent, and then moves again to engage the plate. The wiping roll is driven from the main drive of the press through a control system by which the rotational speed of the wiping roll may be set as an adjustable proportion of the speed of the printing plate. The wiping roll is also arranged for endwise reciprocation with respect to the intaglio plate. The motor for driving the wiping roll in its endwise reciprocation is also controlled at a speed adjustably proportional to the speed of the intaglio plate. The wiping roll is fixed on a shaft whose opposite ends are individually adjustable by means of eccentrics to vary the pressure between the wiping roll and the intaglio plate. These eccentrics are rotatably mounted in the walls of the solvent tank. The joints in which the wiping roll shaft turns are constructed to accommodate rotation, endwise reciprocation, and eccentric adjustment of the shaft position. Furthermore, the driving connections by which the shaft is rotated and by which it is reciprocated are constructed to accommodate withdrawal of the solvent tank and the wiping roll as a unit from its operating position where the roll contacts the plate to a retracted position where the roll is separated from the plate.
Inventors
- 👤 C Foote
- 👤 V Gazzola
- 👤 Amato S D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:56
CPC Classifications
B; B41; B41F; B41F9/00; B41F9/06; B41F9/08
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
265 words
An intaglio printing press, including: a. a rotatably supported plate cylinder; b. an intaglio printing plate on said cylinder having inkreceiving recesses in its surface; c. means for rotating the plate cylinder; d. ink applying means for spreading ink over the surface and into the recesses of the intaglio plate, as the plate cylinder rotates; e. wiping means for removing ink from the plate surface, comprising a wiping roll fixed on a rotatable shaft and having its periphery in wiping contact with the plate on the plate cylinder after the plate passes the ink applying means; f. a pair of eccentric means, one at each end of the roll, for independently adjusting the pressure between each end of the roll and the plate surface, each said eccentric means including: 1. a projecting end of the shaft at the end of the wiping roll; 2. a bearing supporting said shaft end, said bearing having a cylindrical surface receiving the shaft end and a spherical external surface; 3. a block having an internally spherical recess receiving and rotatably and tiltably supporting said bearing, said block being rotatable about an axis eccentric with respect to the wiping roll axis; and g. means for rotating said block about its eccentric axis, including: 1. a lead screw; 2. motor means for driving the lead screw; 3. a nut riding along the lead screw; 4. an arm pivotally connected at one end to said nut and having its other end fixed to said block, said arm including two telescoping members shiftable to accommodate different distances between the nut and the block.
Claim 2
Dependent Claim
265 words
An intaglio printing press, including: a. a rotatably supported plate cylinder; b. an intaglio printing plate on said cylinder having inkreceiving recesses in its surface; c. means for rotating the plate cylinder; d. ink applying means for spreading ink over the surface and into the recesses of the intaglio plate, as the plate cylinder rotates; e. wiping means for removing ink from the plate surface, comprising a wiping roll fixed on a rotatable shaft and having its periphery in wiping contact with the plate on the plate cylinder after the plate passes the ink applying means; f. a pair of eccentric means, one at each end of the roll, for independently adjusting the pressure between each end of the roll and the plate surface, each said eccentric means including: 1. a projecting end of the shaft at the end of the wiping roll; 2. a bearing supporting said shaft end, said bearing having a cylindrical surface receiving the shaft end and a spherical external surface; 3. a block having an internally spherical recess receiving and rotatably and tiltably supporting said bearing, said block being rotatable about an axis eccentric with respect to the wiping roll axis; and g. means for rotating said block about its eccentric axis, including: 1. a lead screw; 2. motor means for driving the lead screw; 3. a nut riding along the lead screw; 4. an arm pivotally connected at one end to said nut and having its other end fixed to said block, said arm including two telescoping members shiftable to accommodate different distances between the nut and the block.
Claim 3
Dependent Claim
21 words
a bearing supporting said shaft end, said bearing having a cylindrical surface receiving the shaft end and a spherical external surface;
Claim 4
Dependent Claim
21 words
a bearing supporting said shaft end, said bearing having a cylindrical surface receiving the shaft end and a spherical external surface;
Claim 5
Dependent Claim
7 words
motor means for driving the lead screw;
Claim 6
Dependent Claim
7 words
motor means for driving the lead screw;
Claim 7
Dependent Claim
194 words
An intaglio printing press including: a. a rotatably supported plate cylinder, b. an intaglio printing plate on said cylinder having ink-receiving recesses in its surface; c. means for rotating the plate cylinder; d. ink applying means for spreading ink over the surface and into the recesses of the intaglio plate, as the plate cylinder rotates; and e. wiping means for receving ink from the plate, surface a wiping comprising roll fixed on a rotatable shaft and having its periphery in wiping contact with the plate on the plate cylinder, after the plate passes the ink applying means; f. a tank, a pool of ink solvent in the tank; g. journal means in the walls of the tank rotatably supporting the ends of the wiping roll shaft so that the surface of the roll, after wiping the plate cylinder, passes through the pool of solvent; h. means for linearly moving the tank and the wiping roll as a unit between a working position in which the wiping roll periphery engages the plate and a retracted position in which the wiping roll is separated from the plate; and i. means for rotating the wiping roll, including:
Claim 8
Dependent Claim
194 words
An intaglio printing press including: a. a rotatably supported plate cylinder, b. an intaglio printing plate on said cylinder having ink-receiving recesses in its surface; c. means for rotating the plate cylinder; d. ink applying means for spreading ink over the surface and into the recesses of the intaglio plate, as the plate cylinder rotates; and e. wiping means for receving ink from the plate, surface a wiping comprising roll fixed on a rotatable shaft and having its periphery in wiping contact with the plate on the plate cylinder, after the plate passes the ink applying means; f. a tank, a pool of ink solvent in the tank; g. journal means in the walls of the tank rotatably supporting the ends of the wiping roll shaft so that the surface of the roll, after wiping the plate cylinder, passes through the pool of solvent; h. means for linearly moving the tank and the wiping roll as a unit between a working position in which the wiping roll periphery engages the plate and a retracted position in which the wiping roll is separated from the plate; and i. means for rotating the wiping roll, including:
Claim 9
Dependent Claim
7 words
a drive pin between said flanges; and
Claim 10
Dependent Claim
7 words
a drive pin between said flanges; and
Claim 11
Dependent Claim
144 words
a crank arm rotatable in a stationary support about an axis approximately aligned with the axis of the wiping roll shaft in the working position of the unit, said crank arm carrying a crank pin extending parallel to the crank arm axis, said member being moved to engage and disengage the crank pin in the radial slot, during movement of the unit along its linear path, when the plane containing the axis of the pin and its axis of rotation is parallel to the slot, so that the crank pin is engaged with the member for concurrent rotation when the unit is in its working position, and the crank pin is disengaged from the member when the unit is moved to its retracted position, said pin being slidable in the slot to accommodate minor misalignments of the crank arm axis and the shaft axis.
Claim 12
Dependent Claim
144 words
a crank arm rotatable in a stationary support about an axis approximately aligned with the axis of the wiping roll shaft in the working position of the unit, said crank arm carrying a crank pin extending parallel to the crank arm axis, said member being moved to engage and disengage the crank pin in the radial slot, during movement of the unit along its linear path, when the plane containing the axis of the pin and its axis of rotation is parallel to the slot, so that the crank pin is engaged with the member for concurrent rotation when the unit is in its working position, and the crank pin is disengaged from the member when the unit is moved to its retracted position, said pin being slidable in the slot to accommodate minor misalignments of the crank arm axis and the shaft axis.
Claim 13
Dependent Claim
56 words
An intaglio printing press as in claim 2, including: a. motor means for driving the unit along its linear path; b. control means for the motor means including means to prevent operation of the motor means unless the plane containing the axis of the crank pin and its axis of rotation is parallel to the path.
Claim 14
Dependent Claim
40 words
means for reciprocating said drive pin parallel to the axis of the wiping roll shaft; b. said ball and said journal means in the walls of the tank each including means to accommodate endwIse reciprocation of the wiping roll shaft.
Claim 15
Dependent Claim
40 words
means for reciprocating said drive pin parallel to the axis of the wiping roll shaft; b. said ball and said journal means in the walls of the tank each including means to accommodate endwIse reciprocation of the wiping roll shaft.
Claim 16
Dependent Claim
7 words
a nut riding along the lead screw;
Claim 17
Dependent Claim
7 words
a nut riding along the lead screw;
Claim 18
Dependent Claim
42 words
a block having an internally spherical recess receiving and rotatably and tiltably supporting said bearing, said block being rotatable about an axis eccentric with respect to the wiping roll axis; and g. means for rotating said block about its eccentric axis, including:
Claim 19
Dependent Claim
42 words
a block having an internally spherical recess receiving and rotatably and tiltably supporting said bearing, said block being rotatable about an axis eccentric with respect to the wiping roll axis; and g. means for rotating said block about its eccentric axis, including:
Claim 20
Dependent Claim
36 words
an arm pivotally connected at one end to said nut and having its other end fixed to said block, said arm including two telescoping members shiftable to accommodate different distances between the nut and the block.
Claim 21
Dependent Claim
36 words
an arm pivotally connected at one end to said nut and having its other end fixed to said block, said arm including two telescoping members shiftable to accommodate different distances between the nut and the block.
Claim 22
Dependent Claim
71 words
An intaglio printing press as defined in claim 3, in which said operation preventing means includes an angular position detector for the crank arm, said detector comprising: a. a metal projection on the crank arm; b. a stationary coil cooperating with said projection and effective to produce a signal only when the projection is in proximity to the coil; c. motor energization preventing means released by a signal from the coil.
Claim 23
Dependent Claim
47 words
An intaglio printing press as defined in claim 2 including: a. eccentric means for shifting the axis of the wiping roll shaft; and b. a ball slidable on the crank pin and tiltable in the slot for accommodating adjustments of the shaft axis by said eccentric means.
Claim 24
Dependent Claim
24 words
An intaglio printing press as defined in claim 5, including: a. means for reciprocating the wiping roll endwise of its axis of rotation, comprising:
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) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |