Patent US3576168A successfully refreshed from Google Patents.
US3576168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for use in machines for preparing doughs and similar compositions
Assignee: Kenwood Manufacturing Woking Ltd
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Filing: 1968-11-21
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Granted: 1971-04-27
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Expires: 1988-11-21
Abstract
Abstract A dough hook for a domestic mixing machine having mounted thereon a frustoconical guard which in use is positioned immediately under the driving head of the machine, the guard is rotatable with respect to the hook and is itself secured against rotation, this preventing dough moving outwardly and fouling the driving head.
Inventors
- 👤 Adam B Thylstrup
- 👤 Per-Marcus Bergquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:06
CPC Classifications
A; A21; A21C; A21C1/00; A21C1/14; A21C1/1405; B; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/112; B01F27/1126
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
113 words
For a mixing machine, a kneading tool comprising, in combination: a. a kneading portion; b. a drive shaft secured to said kneading portion and releasably attachable to said mixing machine; c. a frustoconical disc-shaped stop plate rotatably mounted on said kneading portion; d. an axial fin extending from the inner face of said stop plate to form an abutment effective to engage a stop on said mixing machine, to prevent rotation of said stop plate with said kneading portion; and e. means to lock said stop plate against axial movement with respect to said drive shaft, whereby said kneading tool and said stop plate form a single unit detachable from said mixing machine.
Claim 2
Dependent Claim
113 words
For a mixing machine, a kneading tool comprising, in combination: a. a kneading portion; b. a drive shaft secured to said kneading portion and releasably attachable to said mixing machine; c. a frustoconical disc-shaped stop plate rotatably mounted on said kneading portion; d. an axial fin extending from the inner face of said stop plate to form an abutment effective to engage a stop on said mixing machine, to prevent rotation of said stop plate with said kneading portion; and e. means to lock said stop plate against axial movement with respect to said drive shaft, whereby said kneading tool and said stop plate form a single unit detachable from said mixing machine.
Claim 3
Dependent Claim
56 words
A kneading tool as claimed in claim 1, wherein said kneading portion comprising a hub part having a reduced diameter part, in which said drive shaft is threaded, wherein said stop plate is mounted on said reduced diameter part, and wherein a nut threaded onto said drive shaft retains said mounting sleeve on said hub portion.
References Cited (Backward Citations)
US527033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |