US3665655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for an automatic exchange of rollers in roller polishing machines and the like
Assignee: HA Waldrich GmbH
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Filing: 1970-04-24
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Granted: 1972-05-30
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Expires: 1990-04-24
Abstract
Abstract A device for the automatic exchange of rollers in roller polishing machines and the like is characterized by a movable frame located preferably outside of the plane of the machines and having a gripping device movable upon a fixed track for gripping and raising rollers from a stack, inserting a roller in the holders of a roller polishing machine and also for carrying out a reverse procedure. There is also provided a guide and/or an arresting device for making the gripping device axially parallel to the polishing machine, particularly as far as holders or drivers for roller pins at the mandrel stock are concerned.
Inventors
- 👤 Ernst G Klein
- 👤 Artur Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:02
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/74; B65G47/90; B65G47/901; B21; B21B; B21B28/00; B21B28/02; B23; B23Q; B23Q7/00; B23Q7/04; B23Q7/048; B24; B24B; B24B5/00; B24B5/35; B24B5/355; B23Q2707/00; B23Q2707/04
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
83 words
A device for the automatic exchange of rollers in roller polishing machines and the like having holders for rollers to be treated and a roller stack, said device comprising a movable frame, tracks carried by said frame, a gripping device movable upon said tracks and having means raising rollers from said stack and placing them into said holders and also removing rollers from holders, and a track for said movable frame, the last-mentioned track maintaining said gripping device axially parallel to the machine.
Claim 2
Independent Claim
83 words
A device for the automatic exchange of rollers in roller polishing machines and the like having holders for rollers to be treated and a roller stack, said device comprising a movable frame, tracks carried by said frame, a gripping device movable upon said tracks and having means raising rollers from said stack and placing them into said holders and also removing rollers from holders, and a track for said movable frame, the last-mentioned track maintaining said gripping device axially parallel to the machine.
Claim 3
Dependent Claim
30 words
A device in accordance with claim 1, wherein the last-mentioned track is located outside of the machine and is fixed upon the ground parallel to the axis of the machine.
Claim 4
Dependent Claim
28 words
A device in accordance with claim 1, comprising means carried by said frame for receiving a polished roller and at least one roller which is to be polished.
Claim 5
Dependent Claim
77 words
A device in accordance with claim 1, wherein a plurality of roller polishing machines extend in alinement, said frame being movable parallel to the longitudinal axis of the machines and having four stands, said gripping device comprising a crane carriage movable perpendicularly to said longitudinal axis, pincer-like gripping arms and means securing said gripping arms against turning, the distance of said stands from each other in the longitudinal direction being greater than the length of the rollers.
Claim 6
Dependent Claim
20 words
A device in accordance with claim 4, comprising means located between the stands facing the machine for receiving the rollers.
Claim 7
Dependent Claim
16 words
A device in accordance with claim 4, comprising separate frame tracks extending perpendicularly to each machine.
Claim 8
Dependent Claim
18 words
A device in accordance with claim 6, wherein said gripping arms are shaped to engage rollers from below.
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) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |