US3786731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press for cutting sheet material
Assignee: Bobst Mex SA
•
Filing: 1972-07-10
•
Granted: 1974-01-22
•
Expires: 1992-07-10
Abstract
Abstract A press for cutting sheet material includes a waste stripping section and is provided with waste ejecting elements supported by two frames which, in turn, are slideably receivable within two relatively moveable carriages whereby the frames can be slideably withdrawn from the carriages in order to permit adjustments of the stripping tools.
Inventors
- 👤 J Bobst
- 👤 W Gruetter
- 👤 E Bollinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:26
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/18; B26D7/1818; B26D2007/1872; B26D2007/1881; B26D2007/189; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8748; Y10T83/8749; Y10T83/929; Y10T83/9457; Y10T83/9473; Y10T83/9483; Y10T83/9486
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
77 words
In a press for carrying sheet material wherein waste is stripped from the sheet material by stripping tools, the improvement which comprises: a cradle mounted for reciprocable movement within said press relative to the sheet to be stripped, a carriage mounted for pivotable movement on said cradle, a frame mounted for slideable movement within said carriage whereby said frame can be withdrawn from the side of said carriage and press, and stripping tools mounted on said frame.
Claim 2
Dependent Claim
77 words
In a press for carrying sheet material wherein waste is stripped from the sheet material by stripping tools, the improvement which comprises: a cradle mounted for reciprocable movement within said press relative to the sheet to be stripped, a carriage mounted for pivotable movement on said cradle, a frame mounted for slideable movement within said carriage whereby said frame can be withdrawn from the side of said carriage and press, and stripping tools mounted on said frame.
Claim 3
Dependent Claim
34 words
A press constructed in accordance with claim 1 wherein locking means are provided to lock said carriage in fixed position within said cradle and for locking said frame in fixed position within said carriage.
Claim 4
Dependent Claim
122 words
In a press for cutting sheet material wherein waste is stripped from the sheet material by mating pairs of stripping tools, the improvement which comprises: a pair of generally horizontally extending cradles positioned on opposite sides of a sheet to be stripped, means mounting said cradles within said press for reciprocable movement relative to the sheet to be stripped, a carriage mounted within one of said cradles, a frame mounted for horizontal sliding movement within one of said cradles and said carriage, whereby said frame can be withdrawn from the side of said press, cooperating pairs of stripping tools mounted on said upper and said lower frames, and means mounting the carriage within said upper cradle for pivotable movement on said cradle.
Claim 5
Dependent Claim
122 words
In a press for cutting sheet material wherein waste is stripped from the sheet material by mating pairs of stripping tools, the improvement which comprises: a pair of generally horizontally extending cradles positioned on opposite sides of a sheet to be stripped, means mounting said cradles within said press for reciprocable movement relative to the sheet to be stripped, a carriage mounted within one of said cradles, a frame mounted for horizontal sliding movement within one of said cradles and said carriage, whereby said frame can be withdrawn from the side of said press, cooperating pairs of stripping tools mounted on said upper and said lower frames, and means mounting the carriage within said upper cradle for pivotable movement on said cradle.
Claim 6
Dependent Claim
35 words
A press constructed in accordance with claim 3 wherein locking means are provided for positively locking said carriage for non-pivoting movement within said upper cradle and for locking each of said frames within said carriages.
References Cited (Backward Citations)
US2220296A
Cited
US2557504A
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US3060776A
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US3055275A
Cited
US3167992A
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US3249272A
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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) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |