Patent US3866795A successfully refreshed from Google Patents.
US3866795A
Expired / Lapsed
US
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Vending machine having heating and cooling chambers
Assignee: Hoshizaki Electric Co Ltd
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Filing: 1972-11-10
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Granted: 1975-02-18
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Expires: 1992-11-10
Abstract
Abstract A vending machine for selling hot foods which includes a cold storage and a heating chamber. The cold storage comprises a number of vertical containers having two or more channels for storing food products of the same or differ kinds, a feed arrangement being provided for supplying food products from the respective channels to the heating chamber under control of a coin operated device. After heating in the heating chamber the food product is discharged in consumable form.
Inventors
- 👤 Hitomi Urano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:35
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/0064; G07F17/0078; G07F9/00; G07F9/10; G07F9/105
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
182 words
A vending machine comprising a cold storage chamber, a heating chamber contiguous to said cold storage chamber and being heat insulatingly separated therefrom, said cold storage chamber being provided with food compartment means for accommodating food products therein, feed cam means in said cold storage chamber and mounted in operative relation to said compartment means for permitting discharge of at least one food product under control of a customer applied coin, and conduit means extending between said feed cam means in the cold storage chamber and said heating chamber for supply to the latter of the food product discharged from said compartment means, said heating chamber including an electronic heating means including a fixed casing and a movable container disposed in relation to said conduit means to receive the food product discharged from said compartment means for movement with the container into the fixed casing for heating therein, said container being adapted for removal from said casing after said heating of said product and for automatic discharge of the product from the container as a function of container removal from said casing.
Claim 2
Dependent Claim
182 words
A vending machine comprising a cold storage chamber, a heating chamber contiguous to said cold storage chamber and being heat insulatingly separated therefrom, said cold storage chamber being provided with food compartment means for accommodating food products therein, feed cam means in said cold storage chamber and mounted in operative relation to said compartment means for permitting discharge of at least one food product under control of a customer applied coin, and conduit means extending between said feed cam means in the cold storage chamber and said heating chamber for supply to the latter of the food product discharged from said compartment means, said heating chamber including an electronic heating means including a fixed casing and a movable container disposed in relation to said conduit means to receive the food product discharged from said compartment means for movement with the container into the fixed casing for heating therein, said container being adapted for removal from said casing after said heating of said product and for automatic discharge of the product from the container as a function of container removal from said casing.
Claim 3
Dependent Claim
45 words
A vending machine according to claim 1, wherein the container is reciprocatingly movable under action of a shaft, a crank and a rod operatively connected to a fixed rear wall of the container forming a closure wall for said casing with said container positioned therein.
Claim 4
Dependent Claim
66 words
A vending machine according to claim 1, wherein the feed cam system comprises a substantially cylindrical cam which is provided with a recess for selectively feeding the food product upon rotation of the cam, a shaft passing through the center of the cylindrical cam and a leaf spring disposed in front of the recess for preventing the food product from being released from said compartment means.
References Cited (Backward Citations)
US3620341A
Cited
US3653541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-17 | 1978-08-19 | 1979-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-17 | 1982-08-19 | 1983-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-17 | 1986-08-19 | 1987-02-18 | $7700.00 | Window Closed / Lapsed |