US4455712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for splitting carcasses
Assignee: Elkem ASA
•
Filing: 1983-04-25
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Granted: 1984-06-26
•
Expires: 2003-04-25
Abstract
Abstract The present invention relates to apparatus for cutting carcasses, especially hogs. The apparatus comprises a knife to which is imparted an oscillating motion in the vertical direction. This is suitably accomplished by a ramming device arranged at one end of the knife with the knife being pivotably supported by a frame on its opposite end.
Inventors
- 👤 Leif Skaiaa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:29
CPC Classifications
A; A22; A22B; A22B5/00; A22B5/20; A22B5/203; A22B5/207; A22B5/206; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8798; Y10T83/8804
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
129 words
Apparatus for splitting a carcass comprising: (a) a frame; (b) a knife having two ends; (c) said knife at one of the ends thereof being pivotally mounted on said frame; (d) means adjacent the other end of said knife for vertically oscillating the other end of said knife for providing a short oscillating cutting stroke, said knife oscillating at a frequency greater than about 600 strokes per minute; (e) first guide means adjacent said other end of said knife said first guide means including a guide member adapted for engagement of the dorsal side of the carcass adjacent the vertebral column of the carcass; and (f) second guide means located intermediate the ends of the knife for guiding said knife along the vertebral column in the spinal core thereof.
Claim 2
Dependent Claim
129 words
Apparatus for splitting a carcass comprising: (a) a frame; (b) a knife having two ends; (c) said knife at one of the ends thereof being pivotally mounted on said frame; (d) means adjacent the other end of said knife for vertically oscillating the other end of said knife for providing a short oscillating cutting stroke, said knife oscillating at a frequency greater than about 600 strokes per minute; (e) first guide means adjacent said other end of said knife said first guide means including a guide member adapted for engagement of the dorsal side of the carcass adjacent the vertebral column of the carcass; and (f) second guide means located intermediate the ends of the knife for guiding said knife along the vertebral column in the spinal core thereof.
Claim 3
Dependent Claim
14 words
The apparatus of claim 1 wherein said means for oscillating is a pneumatic ram.
Claim 4
Dependent Claim
62 words
The apparatus of claim 1 wherein said second guide means include a needle-shaped member having tines disposed on each side of said knife, said tines being adapted for insertion into the spinal core of the vertebral column of a carcass ahead of said knife whereby said knife will guidedly cut through the approximate center line of the vertebral column of the carcass.
Claim 5
Dependent Claim
18 words
The apparatus of claim 1 wherein the knife oscillates at a rate of about 3500 strokes per minute.
References Cited (Backward Citations)
US1060169A
Cited
US1271909A
Cited
US2775786A
Cited
GB1131909A
Cited
FR1566768A
Cited
GB1267872A
Cited
DE2050229A1
Cited
US3829932A
Cited
US3916482A
Cited
DE2600766A1
Cited
FR2309151A1
Cited
GB1536711A
Cited
US4262388A
Cited
FR2307471A1
Cited
DE2658795A1
Cited
FR2362590A1
Cited
US4131972A
Cited
FR2373969A1
Cited
DE2807766A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-06-26 | 1987-12-26 | 1988-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-26 | 1991-12-26 | 1992-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-26 | 1995-12-26 | 1996-06-26 | $7700.00 | Window Closed / Lapsed |