Patent US3777607A successfully refreshed from Google Patents.
US3777607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting wheel for slitting machines
Assignee: DUSENBERG J CO Inc
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Filing: 1972-08-28
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Granted: 1973-12-11
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Expires: 1992-08-28
Abstract
Abstract A cutting knife for slitting machines, which knife has a housing adapted for attachment to the machine and a rotary cutting wheel movable toward a backing roll in response to fluid pressure.
Inventors
- 👤 E Schofield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:16
CPC Classifications
B; B26; B26D; B26D5/00; B26D5/02; B26D5/04; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7751; Y10T83/7809; Y10T83/7851; Y10T83/7855; Y10T83/929; Y10T83/9372; Y10T83/9403; Y10T83/9457; Y10T83/9464
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
121 words
A cutting knife for a slitting machine comprising, a. a housing having aligned slots formed therein, b. means for mounting the housing on a slitting machine, c. an elongated bi-furcated slide bar mounted for sliding movement along the slots of the housing, d. aligned holes formed in the arms of the slide bar which holes communicate with aligned slots angularly offset with respect to the axis of the slide bar, e. means forming aligned channels in the said housing, which channels communicate with the slots in the slide bar when the slide bar is in a predetermined position, and f. a rotatable cutting wheel carried by an axle extending into the aligned holes formed in the arms of the slide bar.
Claim 2
Dependent Claim
121 words
A cutting knife for a slitting machine comprising, a. a housing having aligned slots formed therein, b. means for mounting the housing on a slitting machine, c. an elongated bi-furcated slide bar mounted for sliding movement along the slots of the housing, d. aligned holes formed in the arms of the slide bar which holes communicate with aligned slots angularly offset with respect to the axis of the slide bar, e. means forming aligned channels in the said housing, which channels communicate with the slots in the slide bar when the slide bar is in a predetermined position, and f. a rotatable cutting wheel carried by an axle extending into the aligned holes formed in the arms of the slide bar.
Claim 3
Dependent Claim
67 words
The invention as recited in claim 1, wherein the slots in the slide bar are formed proximate to the free ends of the slide bar arms, wherein these slots have a width exceeding the diameter of the said axle except for the points where the slots merge into the said aligned holes, at which points the width of said slots is slightly less than the axle diameter.
Claim 4
Dependent Claim
36 words
The invention as recited in claim 1, wherein the said housing comprises a pair of spaced plates, and wherein the said means forming aligned channels comprises aligned grooves formed in the facing surfaces of said plates.
Claim 5
Dependent Claim
38 words
The invention as recited in claim 1, wherein the said housing comprises a pair of spaced plates, and wherein the said means forming aligned slots comprises aligned slots formed in said plates and extending to edge portions thereof.
Claim 6
Dependent Claim
36 words
The invention as recited in claim 1 in combination with a fluid cylinder having a piston, and a control rod having one end connected to said piston and the other end connected to said slide bar.
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) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |