Patent US4135828A successfully refreshed from Google Patents.
US4135828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing apparatus
Assignee: Individual
•
Filing: 1977-11-25
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Granted: 1979-01-23
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Expires: 1997-11-25
Abstract
Abstract A support member having a drive motor on one side and a mixing element on the other is journaled in a frame to permit sealable attachment of an open topped mixing vessel thereto over said mixing element and subsequent inversion thereof prior to mixing.
Inventors
- 👤 James E. Cabak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:30
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/80; B01F27/808; B01F33/00; B01F33/35; B01F35/00; B01F35/30; B01F35/32; B01F35/321; B01F35/3213
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
119 words
Mixing apparatus, comprising a support frame, a support member, a motor carried by said support member on one side thereof, a mixing element extending from the other side of said support member and drivingly connected to said motor, a mixing vessel having an open top and a closed bottom, means for sealably securing said open top of said vessel to said other side of said support member over said mixing element, trunnion means extending from said support member and journaled in said frame for enabling said support member to be at least partially inverted after said vessel has been secured thereto, and locking means for locking said support member to said frame with said vessel in an inverted position.
Claim 2
Dependent Claim
119 words
Mixing apparatus, comprising a support frame, a support member, a motor carried by said support member on one side thereof, a mixing element extending from the other side of said support member and drivingly connected to said motor, a mixing vessel having an open top and a closed bottom, means for sealably securing said open top of said vessel to said other side of said support member over said mixing element, trunnion means extending from said support member and journaled in said frame for enabling said support member to be at least partially inverted after said vessel has been secured thereto, and locking means for locking said support member to said frame with said vessel in an inverted position.
Claim 3
Dependent Claim
46 words
Mixing apparatus according to claim 1 comprising an annular fillet extending from said other side of said support member for disposition within said vessel in juxtaposition with the top edge of said vessel to deflect the material being mixed toward the closed bottom of said vessel.
Claim 4
Dependent Claim
57 words
Mixing apparatus according to claim 1, comprising a plurality of handles on said vessel, and said means for sealably securing said vessel to said support member comprises cam means carried by said support member and cooperable with said handles to urge said vessel against said support member as said vessel is rotated relative to said support member.
Claim 5
Dependent Claim
31 words
Mixing apparatus according to claim 1 comprising lockout means carried by said support member for preventing the operation of said motor unless said vessel is sealably secured to said support member.
Claim 6
Dependent Claim
45 words
Mixing apparatus according to claim 1 wherein said support member is pivotable about a horizontal axis between a first position with said one side at the top and a second position with said one side at the bottom with said vessel directly beneath said motor.
Claim 7
Dependent Claim
25 words
Mixing apparatus according to claim 1 wherein said locking means locks said support member in any selected one of a plurality of different inverted positions.
References Cited (Backward Citations)
US2652983A
Cited
US3380671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-01-22 | 1982-07-24 | 1983-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-22 | 1986-07-24 | 1987-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-22 | 1990-07-24 | 1991-01-23 | $7700.00 | Window Closed / Lapsed |