Patent US4543680A successfully refreshed from Google Patents.
Patent US3601046A successfully refreshed from Google Patents.
US3601046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic leveling system for an impression roller in a printing press
Assignee: MOTTER PRINTING PRESS Co
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Filing: 1968-12-31
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Granted: 1971-08-24
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Expires: 1988-12-31
Abstract
Abstract A system for automatically maintaining a desired relation between the axes of a printing cylinder and an impression roller movable toward and away from the printing cylinder by sensing the relative positions of the ends of the impression roller, and adjusting the relative displacement of the impression roller ends to attain the desired axial relationship between the printing cylinder and the impression roller.
Inventors
- 👤 John C Motter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:59
CPC Classifications
B; B41; B41F; B41F13/00; B41F13/08; B41F13/24; B41F13/34; B41F13/38
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
193 words
In a printing press which includes a pair of side frames, a printing cylinder supported between the side frames for rotation, an impression roller movable toward and away from the printing cylinder, a pair of movable supporting frames guided for movement within the side frames and carrying the impression roller therebetween, drive means for imparting movement to the supporting frames in unison or for imparting movement to one of the supporting frames relative to the other, and means for moving the supporting frames toward and away from the printing cylinder and applying a spring force on each of the supporting frames after the impression roller is brought into pressure engagement with the printing cylinder, means for maintaining a desired relationship between the axes of the impression roller and the printing cylindEr comprising means mounted on at least one of the side frames and coupled to the supporting frames for sensing the relative positions of the supporting frames, and means responsive to the sensing means and coupled to the drive means for controlling the drive means to displace one of the supporting frames to the desired position with respect to the other supporting frame.
Claim 2
Dependent Claim
193 words
In a printing press which includes a pair of side frames, a printing cylinder supported between the side frames for rotation, an impression roller movable toward and away from the printing cylinder, a pair of movable supporting frames guided for movement within the side frames and carrying the impression roller therebetween, drive means for imparting movement to the supporting frames in unison or for imparting movement to one of the supporting frames relative to the other, and means for moving the supporting frames toward and away from the printing cylinder and applying a spring force on each of the supporting frames after the impression roller is brought into pressure engagement with the printing cylinder, means for maintaining a desired relationship between the axes of the impression roller and the printing cylindEr comprising means mounted on at least one of the side frames and coupled to the supporting frames for sensing the relative positions of the supporting frames, and means responsive to the sensing means and coupled to the drive means for controlling the drive means to displace one of the supporting frames to the desired position with respect to the other supporting frame.
Claim 3
Dependent Claim
87 words
The relationship maintaining means according to claim 1 wherein the sensing means includes switch means mounted on one of the side frames and coupled to one of the supporting frames for movement therewith, and a switch means activating member mounted on one of the side frames and disposed in operative relationship with the switch means and coupled to the other supporting frame for movement therewith, and wherein the drive controlling means includes means for selectively coupling the drive means with at least one of the supporting frames.
Claim 4
Dependent Claim
119 words
The relationship maintaining means according to claim 2 wherein the selective coupling means includes a clutch, and the drive controlling means includes an electromechanical transducer connected to the clutch and controlled by the switch means. 4, The relationship maintaining means according to claim 2 including a pair of shafts, one imparting movement to the switch means and the other imparting movement to the switch means-activating member, one end of the one shaft in driving relationship to the switch means and one end of the other shaft in driving relationship to the switch means-activating member, a drive transmission connecting the one shaft with the one supporting frame, and a drive transmission connecting the other shaft with the other supporting frame.
Claim 5
Dependent Claim
41 words
The relationship-maintaining means according to claim 4 wherein the pair of shafts are concentric, and each transmission includes a pinion carried by the respective shaft and a rack carried by the respective supporting frame and in driving relation with the pinion.
Claim 6
Dependent Claim
178 words
A printing press comprising a pair of side frames, a printing cylinder supported between the side frames for rotation, an impression roller, a pair of supporting frames guided for movement within the side frames and supporting the impression roller therebetween, drive means for imparting movement to the supporting frames in unison or for imparting movement to one of the supporting frames relative to the other, means for moving the supporting frames toward and away from the printing cylinder and applying a spring force on each of the supporting frames after the impression roller is brought into pressure engagement with the printing cylinder, switch means mounted on one of the side frames and coupled to one of the supporting frames for movement therewith, means mounted on one of the side frames for activating the switch means, the activating means being disposed in operative relationship with the switch means and coupled to the other supporting frame for movement therewith, and means responsive to the switch means for selectively coupling the drive means with at least one of the supporting frames.
Claim 7
Dependent Claim
178 words
A printing press comprising a pair of side frames, a printing cylinder supported between the side frames for rotation, an impression roller, a pair of supporting frames guided for movement within the side frames and supporting the impression roller therebetween, drive means for imparting movement to the supporting frames in unison or for imparting movement to one of the supporting frames relative to the other, means for moving the supporting frames toward and away from the printing cylinder and applying a spring force on each of the supporting frames after the impression roller is brought into pressure engagement with the printing cylinder, switch means mounted on one of the side frames and coupled to one of the supporting frames for movement therewith, means mounted on one of the side frames for activating the switch means, the activating means being disposed in operative relationship with the switch means and coupled to the other supporting frame for movement therewith, and means responsive to the switch means for selectively coupling the drive means with at least one of the supporting frames.
Claim 8
Dependent Claim
110 words
A printing press according to claim 6 wherein the switch means includes a pair of switches, one of the switches disposed so as to be activated by the activating means when a first relationship exists between the axes of the impression roller and the printing cylinder, the other switch disposed so as to be activated by the activating means when a second relationship exists between the axes of the impression roller and the printing cylinder, and the selective coupling means includes a pair of clutches, each clutch coupling the drive means with a different one of the supporting frames, each clutch being controlled by a different one of the switches.
Claim 9
Dependent Claim
63 words
A printing press according to claim 6 including a pair of coaxial shafts, one in driving relationship and imparting movement to the switch means and the other in driving relationship and imparting movement to the switch activating means, a drive transmission connecting one shafT with one of the supporting frames, and a drive transmission connecting the other shaft with the other supporting frame.
Claim 10
Dependent Claim
110 words
A printing press according to claim 6 wherein the switch means and the switch-activating means are adjacent one of the side frames, and including a pair of concentric rotatable shafts, one shaft carrying the switch means and the other shaft carrying the switch-activating means, a drive transmission connecting the outer shaft with the one supporting frame guided for movement in the side frame nearest the switch means and the switch-activating means, the inner shaft extending to the opposite side frame, and a drive transmission connecting the inner shaft with the other supporting frame guided for movement in the side frame furthest away from the switch means and the switch-activating means.
Claim 11
Dependent Claim
35 words
A printing press according to claim 9 wherein each drive transmission includes a pinion carried by the respective shaft and a rack carried by the respective supporting frame and in driving relation with the pinion.
References Cited (Backward Citations)
US2607292A
Cited
US3272122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-23 | 1975-02-22 | 1975-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-23 | 1979-02-22 | 1979-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-23 | 1983-02-22 | 1983-08-24 | $7700.00 | Window Closed / Lapsed |