US4210118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible barbecues
Assignee: COOK ON GAS PTY Ltd A Co Inc UNDER LAW OF NEW SOUTH WALES
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Filing: 1978-07-28
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Granted: 1980-07-01
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Expires: 1998-07-28
Abstract
Abstract There is disclosed a portable barbecue cooking stove having scissor action support legs pivotally joined together and pivotably joined to a cooking and support surface by pivot pins and an over-center link arrangement so that in the erected position the cooking and support surface is in a horizontal position and is easily foldable by unlatching of a catch disconnecting the four bar linkage structure. The barbecue includes wheels for mobility.
Inventors
- 👤 Frederick C. Davis
- 👤 Richard L. Beer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:41
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/07; A47J37/0763
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
82 words
A portable cooking appliance comprising means for cooking food thereon including a metal grill and support frame for said grill, pivotable legs supporting the frame, said legs being pivotably joined together to move with a scissor like action, the legs being pivotably connected to said support frame an over-centre link to form a four bar linkage, the arrangement being such that the legs are movable between a folded and unfolded position, said legs being held in unfolded position by releasable latching means.
Claim 2
Dependent Claim
82 words
A portable cooking appliance comprising means for cooking food thereon including a metal grill and support frame for said grill, pivotable legs supporting the frame, said legs being pivotably joined together to move with a scissor like action, the legs being pivotably connected to said support frame an over-centre link to form a four bar linkage, the arrangement being such that the legs are movable between a folded and unfolded position, said legs being held in unfolded position by releasable latching means.
Claim 3
Dependent Claim
26 words
A cooking appliance as claimed in claim 1 wherein said cooking surface is supported by a perimetric support frame, said support legs being pivotally connected thereto.
Claim 4
Dependent Claim
71 words
A cooking appliance as claimed in claim 1 wherein said legs each form a rectangular framework, one leg frame being pivotally connected by a pin means to the support frame and the other leg frame being pivotally connected by a link between the leg frame and the support frame to form an uneven four bar linkage creating an over-centre action during movement of the legs batween a folded and unfolded position.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-07-01 | 1983-12-31 | 1984-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-07-01 | 1987-12-31 | 1988-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-07-01 | 1991-12-31 | 1992-07-01 | $7700.00 | Window Closed / Lapsed |