US3746266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waste disintegrator rotor and ring assembly
Assignee: SPX Technologies Inc
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Filing: 1971-10-01
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Granted: 1973-07-17
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Expires: 1991-10-01
Abstract
Abstract There is disclosed in this application a grinding rotor. The rotor comprises alternate layers of epoxy resin and abrasive grit and is reinforced with metal wire and fiberglass strands. The particular embodiment of the grinding rotor disclosed herein is adapted for use with waste disintegrators and is circumferentially surrounded by a ring which is also made of alternate layers of epoxy resin and abrasive grit. Reinforcing fiberglass strands are embedded in the ring to add rigidity.
Inventors
- 👤 R Knox
- 👤 R Teague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:26
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/0084; B02C18/0092; B02C23/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
20 words
A grinding rotor in accordance with claim 1 wherein said reinforcing means extends circumferentially adjacent the periphery of said rotor.
Claim 2
Dependent Claim
20 words
A grinding rotor in accordance with claim 1 wherein said reinforcing means extends across the face area of said rotor.
Claim 3
Dependent Claim
61 words
A grinding rotor in accordance with claim 3 wherein said reinforcing means includes a first group of metal wires extending generally parallel to each other in a first direction and a second group of metal wires extending generally parallel to each other in a second direction, wires of said first and second group intersecting each other to form a criss-cross configuration.
Claim 4
Dependent Claim
50 words
A grinding rotor in accordance with claim 3 wherein said reinforcing means includes a first bundle of fiberglass strands arranged in a serpentine configuration and a second bundle of fiberglass strands also arranged in a serpentine configuration such that the first and second bundles intersect each other at spaced points.
Claim 5
Dependent Claim
40 words
A grinding rotor in accordance with claim 1 wherein one face of said rotor is formed by a layer of grit and wherein a plurality of openings extend from said one face through to the other face of said rotor.
Claim 6
Dependent Claim
91 words
A waste disintegrator comprising a motor having a drive shaft carrying a grinding rotor, said grindiNg rotor comprising alternate layers of epoxy resin and abrasive grit and having a plurality of holes extending through the face portions thereof, some of said layers of epoxy resin including reinforcing means extending circumferentially and laterally therein, said rotor being concentric with and spaced from a ring member, said ring member comprising alternate layers of epoxy resin and grit and having reinforcing means extending circumferentially in at least some of some layers of epoxy resin.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |