Patent US4314916A successfully refreshed from Google Patents.
Patent US4281594A successfully refreshed from Google Patents.
US4281594A
Expired / Lapsed
US
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Bun section toaster
Assignee: Nieco Corp
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Filing: 1979-07-26
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Granted: 1981-08-04
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Expires: 1999-07-26
Abstract
Abstract A bun section toaster, in the usual case, has a frame supporting several parallel chain conveyors, each conveyor being effective to advance a related bun section through the frame in physical and thermal contact with a heating element on the frame to toast the top of the adjacent bun section. At least one of the conveyors, especially for a bun section from the bun center, receives and advances a tray having an aperture over which the bun center section lies. A radiant heating element on the frame is in position to radiate upwardly through the aperture onto the bottom of the center bun section so both sides of the section are toasted simultaneously. In the usual case, the toaster simultaneously accommodates a bun top section, center section and bottom section, although in some instances there is but a single conveyor and but the center section is handled.
Inventors
- 👤 Edward D. Baker
- 👤 Nils Lang-Ree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:24
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/04; A47J37/044
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
200 words
A toaster for a bun center section having substantially planar and parallel upper and lower surfaces, said toaster comprising: a. a frame; b. a conveyor on said frame; c. a tray having an aperture therein and adapted to receive the lower surface of a bun center section overlying said aperture; d. means including said conveyor for advancing said tray across said frame substantially in a horizontal position; e. a contact heater mounted on said frame, said contact heater including a substantially horizontal planar lower surface vertically spaced above said tray to engage the entire upper surface of said bun center section in firm contact to impart heat to said upper surface of said bun center section as said tray advances across said frame; f. a radiant heater mounted on said frame in close proximity below but out of physical contact with said tray to impart heat upwardly through said aperture to said lower surface of said bun center section as said tray advances across said frame; and, g. regulating means for energizing said contact heater and said radiant heater to toast said upper surface of said bun center section and said lower surface of said bun center section substantially equally.
Claim 2
Dependent Claim
200 words
A toaster for a bun center section having substantially planar and parallel upper and lower surfaces, said toaster comprising: a. a frame; b. a conveyor on said frame; c. a tray having an aperture therein and adapted to receive the lower surface of a bun center section overlying said aperture; d. means including said conveyor for advancing said tray across said frame substantially in a horizontal position; e. a contact heater mounted on said frame, said contact heater including a substantially horizontal planar lower surface vertically spaced above said tray to engage the entire upper surface of said bun center section in firm contact to impart heat to said upper surface of said bun center section as said tray advances across said frame; f. a radiant heater mounted on said frame in close proximity below but out of physical contact with said tray to impart heat upwardly through said aperture to said lower surface of said bun center section as said tray advances across said frame; and, g. regulating means for energizing said contact heater and said radiant heater to toast said upper surface of said bun center section and said lower surface of said bun center section substantially equally.
Claim 3
Dependent Claim
83 words
A bun section toaster as in claim 1 in which said conveyor includes a pair of parallel chain runs each including a plurality of evenly spaced chain pins and disposed on said frame with said chain runs parallel to each other in the same plane and with said chain pins in transverse alignment; and in which said tray includes a central plate with said aperture and with parallel lateral side edges formed with evenly spaced notches for driving interengagement with said chain pins.
Claim 4
Dependent Claim
48 words
A bun section toaster as in claim 2 including a pair of runners on said frame underlying said chain runs in supporting relation thereto in order to maintain consistent firm contact between said upper surface of said bun center section and said lower surface of said contact heater.
Claim 5
Dependent Claim
39 words
A bun section toaster as in claim 3 further including a sheet of bright metal mounted on said frame and located below said radiant heater to reflect and direct upwardly radiant energy initially emanating downwardly from said radiant heater.
References Cited (Backward Citations)
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Cited
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US3889582A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-08-03 | 1985-02-02 | 1985-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-08-03 | 1989-02-02 | 1989-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-08-03 | 1993-02-02 | 1993-08-04 | $7700.00 | Window Closed / Lapsed |