Patent US4698984A successfully refreshed from Google Patents.
US4698984A
Expired / Lapsed
US
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Beater device for ice cream making machines
Assignee: Carpigiani Bruto Macchine Automatiche SpA
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Filing: 1987-01-12
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Granted: 1987-10-13
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Expires: 2007-01-12
Abstract
Abstract An ice cream making machine provided with a rotating beater (5) and a stationary counter-beater (16). The stationary counter-beater is carried by a supporting shaft (15) connected at one end to a cross-plate (17) formed with notches (18) for engaging with pegs (14) secured to the closure door (10) of the freezing cylinder (1) of the ice cream machine. The opposite end of the shaft (15) is rotatably idly supported within a tubular hub (8) provided at the rear end of the rotating beater (5).
Inventors
- 👤 Ezio Manfroni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:49
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/04; A23G9/08; A23G9/12; A23G9/22; A23G9/224
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
133 words
An ice cream making machine of the kind comprising a refrigerated freezing cylinder which is closed at its rear end by a bottom plate, and is closed at its front end by a closure door which is provided with means for withdrawing the ice cream, a rotating beater housed inside of said freezing cylinder, and a stationary counter-beater cooperating with said rotating beater, the said stationary counter-beater beng mounted on a supporting shaft which is connected at one end with a cross-plate formed with means for engaging, in an easily disengageable manner, with pegs secured to the closure door of the freezing cylinder of the ice cream making machine, the other end of said shaft being rotatably idly supported within a tubular hub provided at the rear end of the said rotating beater.
Claim 2
Dependent Claim
133 words
An ice cream making machine of the kind comprising a refrigerated freezing cylinder which is closed at its rear end by a bottom plate, and is closed at its front end by a closure door which is provided with means for withdrawing the ice cream, a rotating beater housed inside of said freezing cylinder, and a stationary counter-beater cooperating with said rotating beater, the said stationary counter-beater beng mounted on a supporting shaft which is connected at one end with a cross-plate formed with means for engaging, in an easily disengageable manner, with pegs secured to the closure door of the freezing cylinder of the ice cream making machine, the other end of said shaft being rotatably idly supported within a tubular hub provided at the rear end of the said rotating beater.
Claim 3
Dependent Claim
108 words
An ice cream making machine according to claim 1, in which the said rotating beater comprises at least two scraping blades which are secured at the ends thereof to a pair of spokes carried by two tubular hubs, one of said tubular hubs being secured at one end to a drive shaft for the said rotating beater, while the other end thereof is formed with a tubular recess for accomodating the rear end of the shaft of the said stationary counter-beater, the other tubular hub being longitudinally split such as to permit the other end of the shaft of the said stationary counter-beater to be inserted laterally thereinto.
Claim 4
Dependent Claim
65 words
An ice cream making machine according to claim 1, in which the said cross-plate secured to the front end of the shaft of the stationary counter-beater is formed with two diametrically opposed slots or notches adapated for engaging and self-centering, in an easily disengageable manner, with said pegs which are secured to the closure door of the freezing cylinder of the ice cream making machine.
Claim 5
Dependent Claim
25 words
An ice cream making machine according to claim 1, in which the said beater blades of the stationary counter-beater are formed by U-shaped rod-like elements.
References Cited (Backward Citations)
US249938A
Cited
US2735276A
Cited
US1477279A
Cited
US1699170A
Cited
US2085542A
Cited
US2361035A
Cited
US2523853A
Cited
US2608833A
Cited
US3709664A
Cited
US4084407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-10-12 | 1991-04-13 | 1991-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-10-12 | 1995-04-13 | 1995-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-10-12 | 1999-04-13 | 1999-10-13 | $7700.00 | Window Closed / Lapsed |