US4363956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooking panel unit for installation in work surface
Assignee: Schott AG
•
Filing: 1981-03-16
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Granted: 1982-12-14
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Expires: 2001-03-16
Abstract
Abstract A glass-ceramic cooking panel unit of the type having a glass-ceramic plate overlying heating elements is provided with threaded spring mounting connections in the frame. The connections permit adjustments to be made during installation of the unit in the vertical position of the cooking plate relative to the surrounding work surface. The frame design also permits a simplified access to the unit after installation when servicing is required.
Inventors
- 👤 Herwig Scheidler
- 👤 Gunther Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:19
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/10; F24C15/108; A; A47; A47B; A47B77/00; A47B77/04; A47B77/08
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
139 words
In an improved glass-ceramic cooking panel unit having a glass-ceramic cooking plate overlying the remainder of the cooking unit containing the heating element assemblies, wiring, and temperature regulators, and which are surrounded by a side or trough frame and a bottom plate, the cooking panel unit is of the type to be received by a peripheral mounting frame which is attached to both the cooking panel unit and to a surrounding counter or work surface, the improvement which comprises: biasing means disposed between a cooking panel unit and a mounting frame comprising: a plurality of spring elements location between said cooking panel unit and said mounting frame, and a plurality of adjustable connecting means attached the panel unit to the mounting frame, whereby the cooking panel unit and the mounting frame are placed in a continuously height-adjustable, biased relationship.
Claim 2
Dependent Claim
139 words
In an improved glass-ceramic cooking panel unit having a glass-ceramic cooking plate overlying the remainder of the cooking unit containing the heating element assemblies, wiring, and temperature regulators, and which are surrounded by a side or trough frame and a bottom plate, the cooking panel unit is of the type to be received by a peripheral mounting frame which is attached to both the cooking panel unit and to a surrounding counter or work surface, the improvement which comprises: biasing means disposed between a cooking panel unit and a mounting frame comprising: a plurality of spring elements location between said cooking panel unit and said mounting frame, and a plurality of adjustable connecting means attached the panel unit to the mounting frame, whereby the cooking panel unit and the mounting frame are placed in a continuously height-adjustable, biased relationship.
Claim 3
Dependent Claim
39 words
An improved cooking panel unit as described in claim 1 wherein the adjustable connecting means comprises a screw which is screwed into the cooking panel unit from below the unit, through a horizontal, lower leg of the mounting frame.
Claim 4
Dependent Claim
34 words
An improved cooking panel unit as described in claim 1 or 2 wherein the plurality of spring elements and the plurality of adjustable connecting means are uniformly distributed peripherally around the cooking panel unit.
Claim 5
Dependent Claim
46 words
An improved cooking panel unit as described in claim 1 wherein the spring elements and adjustable connecting means engage with a peripherally around the cooking panel unit cooking panel unit, said trough frame is attached to the cooking plate by the means of permanent-elastic, temperature-stable adhesive.
Claim 6
Dependent Claim
25 words
An improved cooking panel unit as described in claim 4 wherein a bottom plate for the cooking panel unit is attached to said trough frame.
Claim 7
Dependent Claim
46 words
An improved cooking panel unit as described in claim 5 wherein the bottom plate is removably secured to the trough frame by screws whereby all electrical components of the cooking panel unit are freely accessible from below through an opening after removal of the bottom plate.
Claim 8
Dependent Claim
46 words
An improved cooking panel unit as described in claim 5 wherein all electrical components for the cooking panel unit including heating elements are attached to and carried by the bottom plate, whereby all electrical components are freely and easily accessible after removal of the bottom plate.
Claim 9
Dependent Claim
74 words
An improved cooking panel unit as described in claim 4 wherein said trough frame comprises: an upper first frame attached to the cooking plate, a lower second frame attached to the mounting frame, and a plurality of screws connecting the first frame to the second frame, whereby the upper first frame may be separated from the lower second frame and the cooking plate selectively removed with all electrical components then freely accessible from above.
Claim 10
Dependent Claim
56 words
An improved cooking panel unit as described in claim 1 wherein the plurality of spring elements and adjustable connecting means are dimensioned in such a manner as permitting the adjustment of the cooking plate from an upper horizontal position somewhat above the surrounding work surface to a lower horizontal position somewhat below the surrounding work surface.
Claim 11
Dependent Claim
44 words
An improved cooking panel unit as described in claim 9 wherein the upper horizontal position lies between approximately 0.5 to 1 mm above the surrounding work surface and the lower horizontal position lies between approximately 1 to 3 mm below the surrounding work surface.
Claim 12
Dependent Claim
37 words
An improved cooking panel unit as described in claim 1 wherein an upper, horizontal leg is provided on the mounting frame, said upper horizontal leg engaging with and supporting the peripheral edge of the cooking panel unit.
Claim 13
Dependent Claim
33 words
An improved cooking panel unit as described in claim 11 wherein a water-proof elastic sealant is provided between the cooking panel unit and the upper, horizontal leg to provide a water-tight elastic seal.
Claim 14
Dependent Claim
44 words
An improved cooking panel unit as described in claim 1 wherein a mounting frame having a plurality of through-bores is provided along with connecting means of the through-bore dimension whereby the mounting frame may be attached to an opening in the surrounding work surface.
Claim 15
Dependent Claim
19 words
An improved cooking panel unit as described in claim 13 wherein the connecting means consist of screws or bolts.
Claim 16
Dependent Claim
17 words
An improved cooking panel unit as described in claim 1 wherein the spring elements are leaf springs.
Claim 17
Dependent Claim
24 words
An improved cooking panel unit as described in claim 1 wherein a mounting frame which is formed in the surrounding work surface is provided.
References Cited (Backward Citations)
US3739149A
Cited
US3838249A
Cited
US3944786A
Cited
US3909592A
Cited
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Cited
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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) | 1985-12-13 | 1986-06-14 | 1986-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-12-13 | 1990-06-14 | 1990-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-12-13 | 1994-06-14 | 1994-12-14 | $7700.00 | Window Closed / Lapsed |