US3770109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw conveyor shaft supporting structure
Assignee: FMC Corp
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Filing: 1972-06-08
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Granted: 1973-11-06
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Expires: 1992-06-08
Abstract
Abstract A screw conveyor is disclosed with an end plate having an opening through which the shaft of the screw extends. The end plate has mounting holes symmetrically arrayed around the opening for the shaft to receive either an end plate bearing to support the shaft, or a bracket having a shelf on which a pillow block is mounted to support the shaft. The bracket can be mounted in a selected orientation to position the pillow block according to the requirement of a particular installation. A shaft seal is mounted on the bracket over the shaft opening.
Inventors
- 👤 R Kraft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:19
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/24; B65G33/32
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
89 words
In a screw conveyor having a trough end having a shaftmounted screw therein, the combination comprising an end plate secured to one end of said trough, said end plate having an opening therein through which said shaft extends, means to mount an end bearing to said end plate over said opening to support said shaft, a bracket alternatively connectable to said end plate by means of said end bearing mounting means, when said end bearing is not utilized, and a bearing mounted on said bracket to support said shaft.
Claim 2
Dependent Claim
89 words
In a screw conveyor having a trough end having a shaftmounted screw therein, the combination comprising an end plate secured to one end of said trough, said end plate having an opening therein through which said shaft extends, means to mount an end bearing to said end plate over said opening to support said shaft, a bracket alternatively connectable to said end plate by means of said end bearing mounting means, when said end bearing is not utilized, and a bearing mounted on said bracket to support said shaft.
Claim 3
Dependent Claim
94 words
In a screw conveyor having a trough and having A shaft-mounted screw therein, the combination comprising an end plate secured to one end of said trough, said end plate having an opening therein through which said said shaft extends, said end plate having openings around said shaft opening to connect an end bearing over said shaft opening, a bracket alternatively connectable to said end plate through the same openings provided for said end bearing when said end bearing is not utilized, and a pillow block mounted on said bracket to receive said screw shaft.
Claim 4
Dependent Claim
94 words
In a screw conveyor having a trough and having A shaft-mounted screw therein, the combination comprising an end plate secured to one end of said trough, said end plate having an opening therein through which said said shaft extends, said end plate having openings around said shaft opening to connect an end bearing over said shaft opening, a bracket alternatively connectable to said end plate through the same openings provided for said end bearing when said end bearing is not utilized, and a pillow block mounted on said bracket to receive said screw shaft.
Claim 5
Dependent Claim
130 words
In a screw conveyor having a trough and having a shaft-mounted screw therein, the combination comprising an end plate secured to one end of said trough, said end plate having an opening therein through which said shaft extends, said end plate having bolt holes symmetrically arrayed around said shaft opening to connect an end bearing over said shaft opening, a bracket having a symmetrical array of bolt holes for connection to said end plate through the same openings provided for said end bearing when said end bearing is not used, said symmetrical array of mounting holes permitting connection of said bracket to said end plate in several different orientations, said bracket having a mounting shelf thereon, and a pillow block mounted on said shaft to receive and support said shaft.
Claim 6
Dependent Claim
130 words
In a screw conveyor having a trough and having a shaft-mounted screw therein, the combination comprising an end plate secured to one end of said trough, said end plate having an opening therein through which said shaft extends, said end plate having bolt holes symmetrically arrayed around said shaft opening to connect an end bearing over said shaft opening, a bracket having a symmetrical array of bolt holes for connection to said end plate through the same openings provided for said end bearing when said end bearing is not used, said symmetrical array of mounting holes permitting connection of said bracket to said end plate in several different orientations, said bracket having a mounting shelf thereon, and a pillow block mounted on said shaft to receive and support said shaft.
Claim 7
Dependent Claim
24 words
The mechanism of claim 3 including means on said bracket to mount a shaft seal over said shaft opening to receive the shaft therethrough.
Claim 8
Dependent Claim
66 words
A screw conveyor having a trough and having a shaft-mounted screw therein, an end plate secured to one end of said trough, said end plate having an opening therein through which said shaft extends, said end plate adapted to receive alternatively an end bearing or a bracket, and a pillow block mounted on said bracket to support said shaft when the end bearing is not used.
Claim 9
Dependent Claim
66 words
A screw conveyor having a trough and having a shaft-mounted screw therein, an end plate secured to one end of said trough, said end plate having an opening therein through which said shaft extends, said end plate adapted to receive alternatively an end bearing or a bracket, and a pillow block mounted on said bracket to support said shaft when the end bearing is not used.
Claim 10
Dependent Claim
38 words
The apparatus of claim 5 in which said bracket has a shelf to mount said pillow block, and in which said bracket is mountable on said end plate in several orientations for selected positioning of said pillow block.
Claim 11
Dependent Claim
31 words
The apparatus of claim 1 in which a shaft seal is connected to said bracket to surround a shaft extending through said bracket and seal in the contents of said trough.
Claim 12
Dependent Claim
21 words
The apparatus of claim 3 in which said bracket is connectable to said end plate in four equally spaced apart positions.
Claim 13
Dependent Claim
20 words
The apparatus of claim 8 in which one of said bracket positions is with the pillow block mounting shelf horizontal.
References Cited (Backward Citations)
US2098061A
Cited
US3558017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |