Patent US3735776A successfully refreshed from Google Patents.
US3735776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for a heating element
Assignee: Danfoss AS
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Filing: 1971-06-28
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Granted: 1973-05-29
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Expires: 1991-06-28
Abstract
Abstract The invention relates to a heating valve assembly in which a valve casing is positioned behind a convector housing and a thermostatic member is positioned in front of the convector housing. The thermostatic member carries a rotatable setting nob and has a short radially resilient base which can be snapped onto the neck of the valve casing which casing surrounds a valve spindle which is controllable by the setting knob.
Inventors
- 👤 N Graversen
- 👤 C Sorensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:57
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/12; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/6977
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
105 words
A heating valve assembly comprising a front wall member having a circular opening in a vertical plane, a valve casing on the inner side of said wall member and a thermostat attachment on the outer side of said wall member, said valve casing having a neck portion aligned with said wall member opening, fastening means attached to said thermostat attachment for fastening said thermostat attachment to said valve neck portion, said fastening means being extendable through said wall member opening and being radially resilient for resilient biasing engagement with said valve neck portion, and a clamping device surrounding said fastening means in clamping engagement therewith.
Claim 2
Dependent Claim
105 words
A heating valve assembly comprising a front wall member having a circular opening in a vertical plane, a valve casing on the inner side of said wall member and a thermostat attachment on the outer side of said wall member, said valve casing having a neck portion aligned with said wall member opening, fastening means attached to said thermostat attachment for fastening said thermostat attachment to said valve neck portion, said fastening means being extendable through said wall member opening and being radially resilient for resilient biasing engagement with said valve neck portion, and a clamping device surrounding said fastening means in clamping engagement therewith.
Claim 3
Dependent Claim
47 words
A heating valve assembly according to claim 1 wherein said valve neck portion has circumferentially spaced protuberances extending radially therefrom, said fastening means including a plurality of axially extending strips each having hole means at one end thereof for engagement with one of said neck portion protuberances.
Claim 4
Dependent Claim
49 words
A heating valve assembly according to claim 2 wherein each of said neck portion protuberances has a first inclined face on the side thereof adjacent said thermostat attachment and a second inclined face having a greater degree of incline on the far side thereof relative to said thermostat attachment.
Claim 5
Dependent Claim
24 words
A heating valve assembly according to claim 2 wherein the free ends of said strips are radially outwardly relative to the fixed ends thereof.
References Cited (Backward Citations)
US2157770A
Cited
US3149782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |