Patent FR1092268A successfully refreshed from Google Patents.
US4521116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing apparatus with removable drum liner
Assignee: JOY Inc
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Filing: 1984-06-01
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Granted: 1985-06-04
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Expires: 2004-06-01
Abstract
Abstract Improved apparatus for mixing concrete or the like is described and includes a support frame, a rotational drive mounted to the frame, a drum liner support rotatably connected to the rotational drive and a drum liner connected to and supported by the drum liner support and comprising a container having one open end for receiving therewithin the material to be mixed.
Inventors
- 👤 Gordon H. Adsit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:27
CPC Classifications
B; B01; B01F; B01F29/00; B01F29/40; B01F29/401; B01F29/402; B01F29/4022; B01F29/40221; B01F35/00; B01F35/40; B01F35/42; B01F35/421
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
156 words
Apparatus for mixing concrete or the like, comprising; a support frame; rotational drive means mounted to said frame; liner supporting means rotatably connected to said rotational drive means; and drum liner means removably connected to and supported by said drum liner supporting means and comprising a container having a first axial portion of generally cylindrical configuration having one closed end and other open end and a second axial portion joined to said first portion at said open end thereof, said first portion having said closed end being received within said drum liner supporting means and said second portion remaining outside said drum liner supporting means and having the configuration of a body of revolution tapering from a diameter approximately the diameter of said first portion where said first portion and said second portion join to a smaller diameter at the end of said second portion distal said first portion, said second portion distal end being open.
Claim 2
Dependent Claim
156 words
Apparatus for mixing concrete or the like, comprising; a support frame; rotational drive means mounted to said frame; liner supporting means rotatably connected to said rotational drive means; and drum liner means removably connected to and supported by said drum liner supporting means and comprising a container having a first axial portion of generally cylindrical configuration having one closed end and other open end and a second axial portion joined to said first portion at said open end thereof, said first portion having said closed end being received within said drum liner supporting means and said second portion remaining outside said drum liner supporting means and having the configuration of a body of revolution tapering from a diameter approximately the diameter of said first portion where said first portion and said second portion join to a smaller diameter at the end of said second portion distal said first portion, said second portion distal end being open.
Claim 3
Dependent Claim
18 words
The apparatus of claim 1 wherein said drum liner means is formed of a substantially rigid synthetic resin.
Claim 4
Dependent Claim
37 words
The apparatus of claim 1 wherein said drum liner means has formed integrally therewith at least one agitating element extending inwardly of said drum liner means and substantially parallel to the axis of said drum liner means.
Claim 5
Dependent Claim
20 words
The apparatus of claim 3 wherein said drum liner means has formed integrally therewith a plurality of said agitating elements.
Claim 6
Dependent Claim
18 words
The apparatus of claim 1 further comprising lid means for covering said container second portion open distal end.
Claim 7
Dependent Claim
15 words
The apparatus of claim 5 wherein said lid means is removably attached to said container.
Claim 8
Dependent Claim
27 words
The apparatus of claim 6 wherein said lid means further includes an aperture therethrough and spout means surrounding said aperture and extending outwardly of said lid means.
Claim 9
Dependent Claim
20 words
The apparatus of claim 7 further comprising cap means removably receivable over said spout means to close said spout means.
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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) | 1988-06-03 | 1988-12-03 | 1989-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-03 | 1992-12-03 | 1993-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-03 | 1996-12-03 | 1997-06-04 | $7700.00 | Window Closed / Lapsed |