US3899139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crushing apparatus
Assignee: Osaka Gas Co Ltd
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Filing: 1973-09-04
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Granted: 1975-08-12
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Expires: 1993-09-04
Abstract
Abstract The crushing apparatus comprises a housing, a route provided in upper portion of the housing for throwing matters to be disposed of, a rotary hammer provided in lower portion of the housing, a screen provided below the hammer, and a route provided above the hammer for exhausting floating matters. Completely crushed matters among the matters to be disposed of, are taken out of the screen, and the uncrushed matters among the matters to be disposed of, are floatingly selected through ascending air currents caused, within the housing, by rotation of the hammer and, thereafter, are taken out of the housing through an exhausting route.
Inventors
- 👤 Nobuhiko Okada
- 👤 Teruaki Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:27
CPC Classifications
B; B29; B29B; B29B17/00; B29B17/02; B02; B02C; B02C13/00; B02C13/13; B29B2017/0213; B29B2017/0217; B29B2017/0224; B29B17/04; B29B2017/0416; B29B2017/0424; B29B2017/0488; B29L; B29L2030/00; B29L2031/00; B29L2031/709; B29L2031/7092; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/52; Y02W30/62
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
181 words
A crushing apparatus For an admixture of materials which are crushable by impact force comprising, in combination: a housing having a hopper which communicates with a throat means for feeding the mixture into the interior of said housing; an outlet for exhausting the crushed materials from the interior of said housing; a conduit for exhausting secondary materials from the interior of said housing, said conduit being located to communicate with the interior of said housing beneath and in opposition to said throat means; crushing means having a terminal extent rotatable on a substantially horizontal first axis located within said housing between said outlet and said conduit; driving means for rotating said crushing means; selection means positioned adjacent to the path of rotation of said terminal extent of said crushing means, said selection means having a plurality of openings of a predetermined diameter to permit entry of the material crushed into said outlet; and guiding means supported on said housing above said conduit to direct floatable material toward said conduit while simultaneously serving to deflect heavy material back toward said crushing means.
Claim 2
Dependent Claim
181 words
A crushing apparatus For an admixture of materials which are crushable by impact force comprising, in combination: a housing having a hopper which communicates with a throat means for feeding the mixture into the interior of said housing; an outlet for exhausting the crushed materials from the interior of said housing; a conduit for exhausting secondary materials from the interior of said housing, said conduit being located to communicate with the interior of said housing beneath and in opposition to said throat means; crushing means having a terminal extent rotatable on a substantially horizontal first axis located within said housing between said outlet and said conduit; driving means for rotating said crushing means; selection means positioned adjacent to the path of rotation of said terminal extent of said crushing means, said selection means having a plurality of openings of a predetermined diameter to permit entry of the material crushed into said outlet; and guiding means supported on said housing above said conduit to direct floatable material toward said conduit while simultaneously serving to deflect heavy material back toward said crushing means.
Claim 3
Dependent Claim
17 words
An apparatus according to claim 1, further comprising, a damper provided for closing and opening the throat.
Claim 4
Dependent Claim
27 words
An apparatus according to claim 1, in which the guiding means has a free terminal end portion which extends beyond the first axis of the crushing means.
Claim 5
Dependent Claim
15 words
An apparatus according to claim 3, in which the guiding means is arranged to oscillate.
Claim 6
Dependent Claim
21 words
An apparatus according to claim 4, in which the oscillatable guiding means is counterbalanced by means mounted exteriorly of the housing.
Claim 7
Dependent Claim
21 words
An apparatus according to claim 1, in which the means defining openings in said selection means all lie in parallel planes.
Claim 8
Dependent Claim
22 words
An apparatus according to claim 6, in which the selection means can be rotated substantially 180* to equally distribute the wear thereof.
Claim 9
Dependent Claim
32 words
An apparatus according to claim 1, in which some of the means defining openings in the selection means are arranged to extend radially relative to the first axis of the crushing means.
Claim 10
Dependent Claim
43 words
An apparatus according to claim 1, in which the first axis of the crushing means is arranged to support spacedly arranged disk members having side means and said disk members are associated with hammer means disposed on opposite sides of said side means.
Claim 11
Dependent Claim
18 words
An apparatus according to claim 9, in which the hammer means are spaced equi-distantly about said disk member.
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) | 1978-08-11 | 1979-02-10 | 1979-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-11 | 1983-02-10 | 1983-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-11 | 1987-02-10 | 1987-08-12 | $7700.00 | Window Closed / Lapsed |