Patent US4037723A successfully refreshed from Google Patents.
US4037723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disk separator
Assignee: Beloit Corp
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Filing: 1975-05-02
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Granted: 1977-07-26
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Expires: 1995-05-02
Abstract
Abstract A separator of the type having interleaved rotating discs is constructed with a first shaft having a locating ring welded to the longitudinal midpoint thereof and a second shaft parallel to the first shaft having a feed disc welded to its longitudinal midpoint. Feed discs and intermediate spacers are removably mounted on the shafts with the feed discs on one shaft overlapping and centered between the feed discs on the other shaft. Each feed disc is cut from steel plate, is placed on a splining shaft of a lathe head with one face of the disc in abutment with the ends of three posts defining a plane and a first groove is skin cut in the other face of the disc. The disc is then reversed on the lathe head, and a second groove is skin cut in the opposite face to a depth leaving a predetermined thickness between the groove bottoms whereby the feed discs can be accurately positioned and rotate without interference with one another.
Inventors
- 👤 Harold F. Wahl
- 👤 James L. Keating
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:29
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/12; B07B1/14; B07B1/15
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
228 words
In an improved separator, a first shaft, a second shaft, means journalling the shafts in parallel positions, a plurality of first spacers slidable on the first shaft, a plurality of first feed discs splined to the first shaft and positioned between the first spacers, a plurality of second spacers slidable on the second shaft, a plurality of second feed discs splined to the second shaft and positioned between the second spacers, locating means for positioning said feed discs comprising, first locating means fixed to the first shaft at a predetermined point along the length thereof, second locating means fixed to the second shaft at a point therealong such that the second locating means is laterally aligned with the first locating means, said first locating means being parallel to said first feed discs and extending radially around said shaft beyond the internal periphery of said spacers to form a stop abutment, said second locating means being parallel to said second feed discs and extending radially around said shaft beyond the internal periphery of said spacers to form a stop abutment, first retaining means pressing the first spacers and first feed discs snugly together and snugly against opposite sides of the first locating means, and second retaining means pressing the second spacers and the second feed discs snugly together and snugly against the opposite sides of the second locating means.
Claim 2
Dependent Claim
228 words
In an improved separator, a first shaft, a second shaft, means journalling the shafts in parallel positions, a plurality of first spacers slidable on the first shaft, a plurality of first feed discs splined to the first shaft and positioned between the first spacers, a plurality of second spacers slidable on the second shaft, a plurality of second feed discs splined to the second shaft and positioned between the second spacers, locating means for positioning said feed discs comprising, first locating means fixed to the first shaft at a predetermined point along the length thereof, second locating means fixed to the second shaft at a point therealong such that the second locating means is laterally aligned with the first locating means, said first locating means being parallel to said first feed discs and extending radially around said shaft beyond the internal periphery of said spacers to form a stop abutment, said second locating means being parallel to said second feed discs and extending radially around said shaft beyond the internal periphery of said spacers to form a stop abutment, first retaining means pressing the first spacers and first feed discs snugly together and snugly against opposite sides of the first locating means, and second retaining means pressing the second spacers and the second feed discs snugly together and snugly against the opposite sides of the second locating means.
Claim 3
Dependent Claim
24 words
The improved separator of claim 1 wherein the first locating means is a circular ring and the second locating means is a feed disc.
Claim 4
Dependent Claim
22 words
The improved separator of claim 2 wherein the feed discs have shallow annular grooves therein receiving the end portions of the spacers.
Claim 5
Dependent Claim
21 words
The improved separator of claim 3 wherein each feed disc has a pair of the annular grooves in opposite sides thereof.
Claim 6
Dependent Claim
22 words
The improved separator of claim 1 wherein the feed discs have shallow annular grooves therein receiving the end portions of the spacers.
Claim 7
Dependent Claim
21 words
The improved separator of claim 5 wherein each feed disc has a pair of the annular grooves in opposite sides thereof.
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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) | 1980-07-25 | 1981-01-24 | 1981-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-25 | 1985-01-24 | 1985-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-25 | 1989-01-24 | 1989-07-26 | $7700.00 | Window Closed / Lapsed |