US4669275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soft ice cream maker
Assignee: TOKI HANBAI Co Ltd DAISAN SUGA BLDG 5F 3-42 BENTENDORI NAKA-KU YOKOHAMA JAPAN A CORP OF JAPAN
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Filing: 1986-04-09
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Granted: 1987-06-02
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Expires: 2006-04-09
Abstract
Abstract A handy soft ice cream maker suitable for home use. The soft ice cream maker has a housing which has a churning chamber in the center thereof and a coolant storage chamber which is hermetically sealed and filled with a coolant in the outer circumferential part thereof, a stand with holders for holding the housing in an inclined state, a churning and pressing-out mechanism removably inserted into said churning chamber from the top opening of said housing and a soft ice cream discharging exit, capable of being opened and closed, which is located at the bottom of said housing.
Inventors
- 👤 Kikuo Ohgushi
- 👤 You Yoshikawa
- 👤 Isao Ohnishi
- 👤 Haruo Matsuura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:58
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/04; A23G9/08; A23G9/12
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
170 words
A soft ice cream maker comprising a housing having a longitudinal axis, said housing having a central portion defining a churning chamber and an outer circumferential portion, a coolant storage chamber filled with coolant disposed in said outer circumferential portion, a stand for holding said housing in an inclined disposition, said housing having a top opening, a churning and pressing-out means removably inserted into said churning chamber from said top opening of said housing, and a discharge exit means at the bottom of said housing capable of being opened and closed for discharging soft ice cream, said churning and pressing-out means comprising a plurality of churning wings which are elongated parallel to said longitudinal axis, said churning wings having end tip portions, a presser disc having slits for receiving said churning wings, a rotating disc to which said tip portions are fixed, said rotating disc having an opening, and a rotatable axle received in said opening and operable to rotate said rotating disc, said presser disc, and said churning wings.
Claim 2
Dependent Claim
170 words
A soft ice cream maker comprising a housing having a longitudinal axis, said housing having a central portion defining a churning chamber and an outer circumferential portion, a coolant storage chamber filled with coolant disposed in said outer circumferential portion, a stand for holding said housing in an inclined disposition, said housing having a top opening, a churning and pressing-out means removably inserted into said churning chamber from said top opening of said housing, and a discharge exit means at the bottom of said housing capable of being opened and closed for discharging soft ice cream, said churning and pressing-out means comprising a plurality of churning wings which are elongated parallel to said longitudinal axis, said churning wings having end tip portions, a presser disc having slits for receiving said churning wings, a rotating disc to which said tip portions are fixed, said rotating disc having an opening, and a rotatable axle received in said opening and operable to rotate said rotating disc, said presser disc, and said churning wings.
Claim 3
Dependent Claim
33 words
A soft ice cream maker according to claim 1, wherein said coolant storage chamber is separately formed from said housing such that said coolant storage chamber is insertable and removable from said housing.
Claim 4
Dependent Claim
23 words
A soft ice cream maker according to claim 1, wherein said churning wings are slidably received in said slits in said presser disc.
Claim 5
Dependent Claim
142 words
A soft ice cream maker comprising a housing having a longitudinal axis, said housing having a central portion defining a churning chamber and an outer circumferential portion, a coolant storage chamber filled with coolant disposed in said outer circumferential portion, said housing having a top opening, a churning and pressing-out means removably inserted into said churning chamber from said top opening of said housing, and a discharge exit means at the bottom of said housing capable of being opened and closed for discharging soft ice cream, said churning and pressing-out means comprising a plurality of churning wings which are elongated parallel to said longitudinal axis, a presser disc having slits for receiving said churning wings, a rotating disc to which said churning wings are fixed, and a rotatable axle means for rotating said rotating disc, said presser disc, and said churning wings.
Claim 6
Dependent Claim
142 words
A soft ice cream maker comprising a housing having a longitudinal axis, said housing having a central portion defining a churning chamber and an outer circumferential portion, a coolant storage chamber filled with coolant disposed in said outer circumferential portion, said housing having a top opening, a churning and pressing-out means removably inserted into said churning chamber from said top opening of said housing, and a discharge exit means at the bottom of said housing capable of being opened and closed for discharging soft ice cream, said churning and pressing-out means comprising a plurality of churning wings which are elongated parallel to said longitudinal axis, a presser disc having slits for receiving said churning wings, a rotating disc to which said churning wings are fixed, and a rotatable axle means for rotating said rotating disc, said presser disc, and said churning wings.
Claim 7
Dependent Claim
22 words
A soft ice cream maker according to claim 4, wherein said rotating disc has an opening for slidable receiving said axle means.
Claim 8
Dependent Claim
21 words
A soft ice cream maker according to claim 4 further comprising fixing means fixing said axle means to said presser disc.
Claim 9
Dependent Claim
41 words
A soft ice cream maker according to claim 4, wherein said coolant storage chamber has a cup-like configuration with a cylindrical side wall and a bottom wall, said bottom wall having a central opening through which discharging soft ice cream passes.
Claim 10
Dependent Claim
47 words
A soft ice cream maker according to claim 4, wherein said housing has a cover, said cover having an opening through which an outer portion of said axle means passes, said outer portion of said axle means having a manually operable handle for rotating said axle 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) | 1990-06-01 | 1990-12-01 | 1991-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-06-01 | 1994-12-01 | 1995-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-06-01 | 1998-12-01 | 1999-06-02 | $7700.00 | Window Closed / Lapsed |