US5033608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw conveyor
Assignee: Henningsen Foods Inc
•
Filing: 1990-03-22
•
Granted: 1991-07-23
•
Expires: 2010-03-22
Abstract
Abstract A screw conveyor mechanism mounted within the trough assembly. One end of said screw conveyor is removably mounted on the trough assembly. A drive shaft is provided for rotating the screw conveyor with the drive shaft being removably connected to the outer end of the screw conveyor. The drive shaft has a drive plate and the screw conveyor has a shaft plate, both of which are provided with an interengaging removable coupling. The removable coupling is a tongue-and-groove arrangement with the tongue on one plate and the groove on the other plate. A seal in the form of an O-ring is provided between the two plates.
Inventors
- 👤 Gary D. Lorimor
- 👤 Thomas E. Wildy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:10
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/02; B; B65; B65G; B65G33/00; B65G33/24; B65G33/32
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
161 words
A screw conveyor mechanism comprising a trough assembly, a screw conveyor within the trough assembly, a first end of said screw conveyor being removably mounted on said trough assembly, drive means for rotating said screw conveyor, said drive means comprising means for removably connecting the drive means to a second end of said screw conveyor, said drive means comprising a drive plate, said second end of the screw conveyor having a shaft plate, each of said plates having a face, the face of one plate facing the face of the other plate in juxtaposed interface relationship to each other, removably connecting means comprising coupling means on said two plates, said coupling means being a tongue-and-groove arrangement with the tongue being on one plate and the groove being on the other plate, both said tongue and groove extending diametrically across the faces of the plates in which they are located, and sealing means being provided in the interface between the two plates.
Claim 2
Dependent Claim
161 words
A screw conveyor mechanism comprising a trough assembly, a screw conveyor within the trough assembly, a first end of said screw conveyor being removably mounted on said trough assembly, drive means for rotating said screw conveyor, said drive means comprising means for removably connecting the drive means to a second end of said screw conveyor, said drive means comprising a drive plate, said second end of the screw conveyor having a shaft plate, each of said plates having a face, the face of one plate facing the face of the other plate in juxtaposed interface relationship to each other, removably connecting means comprising coupling means on said two plates, said coupling means being a tongue-and-groove arrangement with the tongue being on one plate and the groove being on the other plate, both said tongue and groove extending diametrically across the faces of the plates in which they are located, and sealing means being provided in the interface between the two plates.
Claim 3
Dependent Claim
15 words
A mechanism as set forth in claim 1 wherein said sealing means comprises an O-ring.
Claim 4
Dependent Claim
18 words
A mechanism as set forth in claim 2 wherein said plates have complimentary grooves to accommodate said O-ring.
Claim 5
Dependent Claim
26 words
A mechanism as set forth in claim 3 wherein the first end of the screw conveyor is mounted in a U-shaped bearing on said trough assembly.
Claim 6
Dependent Claim
15 words
A mechanism as set forth in claim 4 wherein said bearing is a saddle bearing.
Claim 7
Dependent Claim
63 words
A screw conveyor mechanism comprising a screw conveyor having a shaft plate at one end, said shaft plate having means for removably coupling with a drive means, said removable coupling means extending across the entire width of the shaft plate, said coupling means comprising a groove extending diametrically across said shaft plate, said shaft plate having a groove to accommodate a sealing means.
Claim 8
Dependent Claim
63 words
A screw conveyor mechanism comprising a screw conveyor having a shaft plate at one end, said shaft plate having means for removably coupling with a drive means, said removable coupling means extending across the entire width of the shaft plate, said coupling means comprising a groove extending diametrically across said shaft plate, said shaft plate having a groove to accommodate a sealing means.
Claim 9
Dependent Claim
15 words
A mechanism as set forth in claim 6 wherein said sealing means comprises an O-ring.
Claim 10
Dependent Claim
29 words
A mechanism as set forth in claim 6 wherein the second end of the screw conveyor has a shaft end adapted to be removably mounted in a support means.
References Cited (Backward Citations)
US256728A
Cited
US665262A
Cited
US894500A
Cited
US1226475A
Cited
US1922023A
Cited
US2334449A
Cited
US2441100A
Cited
US2524948A
Cited
US2720765A
Cited
US2812054A
Cited
US3272317A
Cited
US3278001A
Cited
US3289819A
Cited
US3730332A
Cited
SU489697A1
Cited
US4429782A
Cited
US4547101A
Cited
JPS61162417A
Cited
US4896970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-07-22 | 1995-01-21 | 1995-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-07-22 | 1999-01-21 | 1999-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-07-22 | 2003-01-21 | 2003-07-23 | $7700.00 | Window Closed / Lapsed |