Patent US3760697A successfully refreshed from Google Patents.
US3760697A
Expired / Lapsed
US
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Apparatus for grooving and/or longitudinally cutting a continuous web
Assignee: Peters Maschinenfabrik GmbH
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Filing: 1971-09-20
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Granted: 1973-09-25
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Expires: 1991-09-20
Abstract
Abstract An apparatus for longitudinally deforming webs of paper, cardboard and the like and especially of corrugated board. The main object of the invention is to adjust the positioning of the tools and thereby to form the basis for automatically preselecting and adjusting the tools of such machines. These tools for longitudinally deforming said web may be either grooving, cutting or slitting tools. For solving this problem, the tools and the tool shafts are screw threaded, and means are provided for clamping said tools on said tool shafts for achieving the working condition. Servo motors including coupling and braking means are provided for actuating the adjustment of said tools. Substantially mechanical means including compressed air operated nozzles form the basis for a highly efficient, reliable and likewise simple device to preselect the different positions of the tools.
Inventors
- 👤 A Besemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:09
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/26; B26D7/2628; B26D7/2635; B26D7/2614; B26D7/2621; B26D2007/2657; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0304; Y10T83/647; Y10T83/6584; Y10T83/6587; Y10T83/6588; Y10T83/659; Y10T83/6592; Y10T83/6595; Y10T83/768; Y10T83/7809; Y10T83/7822; Y10T83/7826
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
157 words
Apparatus for longitudinally working a moving web having a path of movement comprising, in combination, a frame, the web moving through said frame, a tool shaft rotatably mounted upon said frame having an axis transversely disposed to the web path of movement, threads formed on said shaft, threaded tool supporting means mounted on said shaft cooperating with said shaft threads for axial adjustment upon said shaft, said tool supporting means including locking means selectively locking said tool supporting means upon said shaft, a tool mounted upon said tool supporting means adapted to engage the web, retaining means selectively retaining said tool supporting means from rotation with said shaft, adjustment drive means selectively drivingly connected to said shaft for rotating said shaft, and control means controlling operation of said drive means and said retaining means to produce relative rotation between said shaft and tool supporting means about said shaft axis to axially position said tool upon said shaft.
Claim 2
Dependent Claim
157 words
Apparatus for longitudinally working a moving web having a path of movement comprising, in combination, a frame, the web moving through said frame, a tool shaft rotatably mounted upon said frame having an axis transversely disposed to the web path of movement, threads formed on said shaft, threaded tool supporting means mounted on said shaft cooperating with said shaft threads for axial adjustment upon said shaft, said tool supporting means including locking means selectively locking said tool supporting means upon said shaft, a tool mounted upon said tool supporting means adapted to engage the web, retaining means selectively retaining said tool supporting means from rotation with said shaft, adjustment drive means selectively drivingly connected to said shaft for rotating said shaft, and control means controlling operation of said drive means and said retaining means to produce relative rotation between said shaft and tool supporting means about said shaft axis to axially position said tool upon said shaft.
Claim 3
Dependent Claim
165 words
Apparatus for longitudinally working a moving web as in claim 1, a second tool shaft rotatably mounted upon said frame having an axis transversely disposed to the web path of movement, threads formed on said second shaft, second threaded tool supporting means mounted on said second shaft cooperating with said second shaft threads for axial adjustment upon said second shaft, second locking means selectively locking said tool supporting means upon said second shaft, a second tool mounted upon said second tool supporting means adapted to engage the web at a position in opposed relationship to the first tool, second retaining means selectively retaining said second tool supporting means from rotation with said second shaft, drive means drivingly connecting said second shaft to said adjustment drive means, said control means controlling operation of said second retaining means to permit relative rotation between said second shaft and said second tool supporting means about said second shaft axis to axially position said second tool upon said second shaft.
Claim 4
Dependent Claim
30 words
Apparatus for longitudinally working a movable web as in claim 2 wherein said first and second tool supporting means and tools are simultaneously axially positioned upon their respective tool shafts.
Claim 5
Dependent Claim
50 words
Apparatus for longitudinally working a moving web as in claim 1 wherein said tool supporting means comprises a nut having first and second threaded portions threadily engaging the threads of said tool shaft, and biasing means interposed between said nut portions producing frictional engagement between said portions and said shaft.
Claim 6
Dependent Claim
21 words
Apparatus for longitudinally working a moving web as in claim 4 wherein said biasing means comprises a plurality of compression springs.
Claim 7
Dependent Claim
50 words
Apparatus for longitudinally working a moving web as in claim 4, annularly arranged notches defined upon one of said nut portions concentric with the axis of said shaft, said retaining means comprising a detent selectively engaging with a notch to prevent rotation of said nut with the associated tool shaft.
Claim 8
Dependent Claim
41 words
Apparatus for longitudinally working a moving web as in claim 6 wherein two detents are defined upon said retaining means associated with said nut, said retaining means including a pair or pivotally connecting arms, a detent being mounted upon each arm.
Claim 9
Dependent Claim
39 words
Apparatus for longitudinally working a moving web as in claim 1 wherein the thread defined upon said tool shaft includes a flank substantially radial with respect to said shaft axis, and a flank obliquely disposed to said shaft axis.
Claim 10
Dependent Claim
53 words
Apparatus for longitudinally working a moving web as in claim 1 wherein said control means includes an adjustable element, and a feedback element, said feedback element sensing the position of said adjustable element rendering said conTrol means inoperable upon said feedback element indicating a tool position attained as determined by said adjustable element.
Claim 11
Dependent Claim
33 words
Apparatus for longitudinally working a moving web as in claim 9 wherein said feedback element includes a plurality of air nozzles, and said adjustable element includes means for restricting airflow through said nozzles.
Claim 12
Dependent Claim
50 words
Apparatus for longitudinally working a moving web as in claim 1 wherein said control means includes multiple speed transmissions interposed between said drive means and said tool shaft for rotating said tool shaft during adjustment at variable speeds in dependence with the position of said tool upon said tool shaft.
Claim 13
Dependent Claim
39 words
Apparatus for longitudinally working a moving web as in claim 11 wherein said control means includes reversible means for rotating said tool shaft in opposite directions during retention of said tool supporting means against rotation by said retaining means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |