US3584801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hammer-operated rotary waste crushers
Assignee: Individual
•
Filing: 1968-03-14
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Granted: 1971-06-15
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Expires: 1988-03-14
Abstract
Abstract A crusher for garbage, waster material and like products, devoid of grates and grate cleaners, constituted by a channel subdivided into superposed preferably identical sections enclosed between vertical sidewalls and parallel oblique front and rear walls, the obliquity of the walls in any two successive sections facing opposite directions; hammer-carrying rotors arranged in staggered formation are revolvably carried by horizontal shafts the axes of which lie in parallelism with the oblique walls in the planes separating any two successive sections.
Inventors
- 👤 Andre F Fourcade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:24
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/02; B02C18/00; B02C18/0084
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
156 words
A crusher for garbage and waste materials which comprises vertical opposed sidewalls and parallel oblique front and rear walls connected to form an enclosure comprising a plurality of sections which enclosure has an upper and lower opening, the slope of said oblique front and rear walls in any two adjacent sections facing alternatingly opposite directions and said front and rear walls forming an angle by the dihedral defined by adjacent oblique walls, a plurality of pairs of rotatable rotors disposed within said enclosure in such a manner that there are gaps between rotors comprising a pair and said pairs being offset from the vertical plane of each adjacent pair, so that there are gaps between adjacent vertical pairs, said pairs being disposed so that alternate pairs have one rotor almost tangential to the angle formed by the dihedral defined by adjacent oblique walls while the remaining pairs have one rotor almost tangential to the opposite wall.
Claim 2
Dependent Claim
156 words
A crusher for garbage and waste materials which comprises vertical opposed sidewalls and parallel oblique front and rear walls connected to form an enclosure comprising a plurality of sections which enclosure has an upper and lower opening, the slope of said oblique front and rear walls in any two adjacent sections facing alternatingly opposite directions and said front and rear walls forming an angle by the dihedral defined by adjacent oblique walls, a plurality of pairs of rotatable rotors disposed within said enclosure in such a manner that there are gaps between rotors comprising a pair and said pairs being offset from the vertical plane of each adjacent pair, so that there are gaps between adjacent vertical pairs, said pairs being disposed so that alternate pairs have one rotor almost tangential to the angle formed by the dihedral defined by adjacent oblique walls while the remaining pairs have one rotor almost tangential to the opposite wall.
Claim 3
Dependent Claim
18 words
A crusher according to claim 1 wherein said front and rear walls have lateral extensions within the enclosure.
Claim 4
Dependent Claim
14 words
A crusher according to claim 2 wherein the surface of said extension is smooth.
Claim 5
Dependent Claim
14 words
A crusher according to claim 2 wherein the surface of said extension is uneven.
Claim 6
Dependent Claim
15 words
A crusher according to claim 2 wherein the surface of said extension has traverse bars.
Claim 7
Dependent Claim
50 words
A crusher according to claim 1 wherein the rotors are disposed on shafts and the axes of the shafts of each pair of rotors in one horizontal plane lie in a medial vertical plane at an equal distance from the shafts of the pairs of rotors just above and below.
Claim 8
Dependent Claim
36 words
A crusher according to claim 6 wherein the size of the rotors is such that the gap between rotors which comprise a pair is equal to the gap between the pairs of rotors above and below.
Claim 9
Dependent Claim
11 words
A crusher according to claim 1 wherein the rotors have hammers.
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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |