Patent US4061278A successfully refreshed from Google Patents.
US4061278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for comminuting and/or shredding of paper and synthetic materials
Assignee: Individual
•
Filing: 1976-04-12
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Granted: 1977-12-06
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Expires: 1996-04-12
Abstract
Abstract A comminuting and shredding arrangement having a cutting and/or tearing mechanism for comminuting paper cardboard and synthetic materials. A housing is rotatably mounted and has inwardly projecting paddles which feed the material to be comminuted towards a cutting and tearing mechanism operatively mounted in said housing, thereby recycling the material to be comminuted therethrough.
Inventors
- 👤 Adolf Ehinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:17
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/06; B02C18/16; B02C18/18; B02C18/182; B02C18/0007; B02C18/14; B02C18/142; B02C18/148; B02C23/00; B02C23/08; B02C23/16; B02C2023/165
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
162 words
In a comminuting arrangement, a housing supported for rotation about a first axis and for pivotal movement about a second axis perpendicular to the first axis, first and second shafts disposed in the housing parallel to said first axis, at least the first shaft being supported for rotation about its axis, means comprising spaced discs affixed to the first and second shafts within the housing and intermeshing to form a nip therebetween for shredding material introduced into the nip from above when at least the first shaft is rotated, means for introducing material to be shredded into the housing, means disposed on the interior of the periphery of the housing for effecting movement so that the material in the housing moves jointly with the housing when the housing is rotated until said material is disposed above the nip of the shredding means, means for rotating the housing about the first axis, and means for rotating the first shaft about its own axis.
Claim 2
Dependent Claim
162 words
In a comminuting arrangement, a housing supported for rotation about a first axis and for pivotal movement about a second axis perpendicular to the first axis, first and second shafts disposed in the housing parallel to said first axis, at least the first shaft being supported for rotation about its axis, means comprising spaced discs affixed to the first and second shafts within the housing and intermeshing to form a nip therebetween for shredding material introduced into the nip from above when at least the first shaft is rotated, means for introducing material to be shredded into the housing, means disposed on the interior of the periphery of the housing for effecting movement so that the material in the housing moves jointly with the housing when the housing is rotated until said material is disposed above the nip of the shredding means, means for rotating the housing about the first axis, and means for rotating the first shaft about its own axis.
Claim 3
Dependent Claim
81 words
An arrangement as defined in claim 1, in which the housing comprises a cylindrical drum having a first apertured wall, and in which the arrangement further comprises a second cylindrical apertured wall disposed externally of and concentric with the first apertured wall, each of the first and second walls having a plurality of apertures of different sizes, the second wall being rotatable about the first axis to align at least some of the respective apertures in the first and second walls.
Claim 4
Dependent Claim
249 words
In a comminuting arrangement, a housing supported for rotation about a first axis and having a centrally apertured plate disposed therein, the plate extending perpendicular to the first axis intermediate the axial ends of the housing, first and second shafts disposed in the housing parallel to said first axis and extending through the aperture in the plate, at least the first shaft being supported for rotattion about its axis, first means comprising spaced rough-cutting discs affixed to the first and second shafts within the housing on one side of the plate and intermeshing to form a nip therebetween for shredding material introduced into the nip from above when at least the first shaft is rotated, second means comprising spaced, fine-cutting discs affixed to the first and second shafts in axially spaced relation to the rough-cutting discs within the housing on the other side of the plate and intermeshing to form a nip therebetween for shredding material introduced into the nip through the aperture in the plate when at least the first shaft is rotated, means for introducing material to be shredded into the housing, means disposed on the interior of the periphery of the housing for effecting movement so that the material in the housing moves jointly with the housing when the housing is rotated until said material is disposed above the nip of at least the first shredding means, means for rotating the housing about the first axis, and means for rotating the first shaft about its axis.
Claim 5
Dependent Claim
249 words
In a comminuting arrangement, a housing supported for rotation about a first axis and having a centrally apertured plate disposed therein, the plate extending perpendicular to the first axis intermediate the axial ends of the housing, first and second shafts disposed in the housing parallel to said first axis and extending through the aperture in the plate, at least the first shaft being supported for rotattion about its axis, first means comprising spaced rough-cutting discs affixed to the first and second shafts within the housing on one side of the plate and intermeshing to form a nip therebetween for shredding material introduced into the nip from above when at least the first shaft is rotated, second means comprising spaced, fine-cutting discs affixed to the first and second shafts in axially spaced relation to the rough-cutting discs within the housing on the other side of the plate and intermeshing to form a nip therebetween for shredding material introduced into the nip through the aperture in the plate when at least the first shaft is rotated, means for introducing material to be shredded into the housing, means disposed on the interior of the periphery of the housing for effecting movement so that the material in the housing moves jointly with the housing when the housing is rotated until said material is disposed above the nip of at least the first shredding means, means for rotating the housing about the first axis, and means for rotating the first shaft about its axis.
Claim 6
Dependent Claim
81 words
An arrangement as defined in claim 3, in which the housing comprises a cylindrical drum having a first apertured wall, and in which the arrangement further comprises a second cylindrical apertured wall disposed externally of and concentric with the first apertured wall, each of the first and second walls having a plurality of apertures of different sizes, the second wall being rotatable about the first axis to align at least some of the respective apertures in the first and second walls.
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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) | 1980-12-05 | 1981-06-06 | 1981-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-05 | 1985-06-06 | 1985-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-05 | 1989-06-06 | 1989-12-06 | $7700.00 | Window Closed / Lapsed |