Patent US3817463A successfully refreshed from Google Patents.
US3817463A
Expired / Lapsed
US
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Tire shredding device
Assignee: Tire-Gator Inc
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Filing: 1972-09-15
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Granted: 1974-06-18
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Expires: 1992-09-15
Abstract
Abstract A device for shredding used tires to reduce the tires to small pieces for easy disposal, wherein the whole tires are reduced to strips by cutters and tear strips, and subjected to a second treatment to reduce the strips to small pieces by cutting and tearing.
Inventors
- 👤 C Krigbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:19
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/06; B02C18/14; B02C18/142; B02C18/148; B29; B29B; B29B17/00; B29B17/04; B29B17/0412; B02C2018/147; B02C2201/00; B02C2201/04; B29B2017/0424; B29B2017/0448; B29L; B29L2030/00; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/52; Y02W30/62; Y10; Y10S; Y10S241/00; Y10S241/31
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
80 words
In a tire shredding device, a framework, a series of pairs of counter rotating discs opposingly mounted in said framework, axles on which said discs rotate, one disc of each pair having cutters detachably mounted in the peripheral face thereof, and the other disc of each pair having a flat peripheral face, tear strips mounted between each pair of discs and which guide the cut pieces of tire in opposite directions to tear said material as a cut is formed.
Claim 2
Dependent Claim
80 words
In a tire shredding device, a framework, a series of pairs of counter rotating discs opposingly mounted in said framework, axles on which said discs rotate, one disc of each pair having cutters detachably mounted in the peripheral face thereof, and the other disc of each pair having a flat peripheral face, tear strips mounted between each pair of discs and which guide the cut pieces of tire in opposite directions to tear said material as a cut is formed.
Claim 3
Dependent Claim
84 words
In a tire shredding device, a framework, a series of pairs of counter rotating discs opposingly mounted in said framework, axles on which said discs rotate, one disc of each pair having cutters detachably mounted in the peripheral face thereof, and the other disc of each pair having a flat peripheral face, tear strips mounted on said framework and extended downwardly at an angle between each pair of discs, the direction of the angle of said strips alternating progressively and longitudinally of said axles.
Claim 4
Dependent Claim
84 words
In a tire shredding device, a framework, a series of pairs of counter rotating discs opposingly mounted in said framework, axles on which said discs rotate, one disc of each pair having cutters detachably mounted in the peripheral face thereof, and the other disc of each pair having a flat peripheral face, tear strips mounted on said framework and extended downwardly at an angle between each pair of discs, the direction of the angle of said strips alternating progressively and longitudinally of said axles.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |