US4459732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stove roller
Assignee: Individual
•
Filing: 1981-09-21
•
Granted: 1984-07-17
•
Expires: 2001-09-21
Abstract
Abstract An apparatus and process for removing a fireplace insert are described. The apparatus comprises a pair of front rails which telescope from a pair of rear rails to be inserted beneath a fireplace insert. The rear rails have support means extending from the front thereof for supporting the front of the rails upon an elevated surface and adjustable support means at the other end for aligning the rear rails with a hearth surface.
Inventors
- 👤 Robert H. Driggers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:54
CPC Classifications
F; F24; F24B; F24B1/00; F24B1/18; F24B1/1806; B; B65; B65G; B65G13/00; B65G13/11; B65G13/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49815; Y10T29/49819
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
202 words
A process for removing a fireplace insert from a hearth cavity for the purpose of cleaning said cavity comprising the steps of: positioning an apparatus for moving a fireplace insert in proximity to said cavity, said apparatus comprising: a pair of parallel rear rails having a proximal end and a distal end; rear conveying means disposed within said rear rails; a pair of front rails telescopingly disposed between said rear rails from extending from the distal end of said rear rails; front conveying means disposed within said front rails; support means for resting upon an elevated surface extending from the distal end of said rear rails; adjustable vertical support means attached to the proximal end of said rear rails; positioning said support means upon an elevated hearth adjacent said hearth cavity; adjusting said vertical support means to level said rear rails; telescoping said pair of front rails from between said rear rails into a position adjacent said insert; elevating said insert a distance sufficient to permit said front rails to extend under said insert; extending said front rails under said insert; and conveying said insert across said front conveying means and said rear conveying means to permit access to said hearth cavity.
Claim 2
Dependent Claim
202 words
A process for removing a fireplace insert from a hearth cavity for the purpose of cleaning said cavity comprising the steps of: positioning an apparatus for moving a fireplace insert in proximity to said cavity, said apparatus comprising: a pair of parallel rear rails having a proximal end and a distal end; rear conveying means disposed within said rear rails; a pair of front rails telescopingly disposed between said rear rails from extending from the distal end of said rear rails; front conveying means disposed within said front rails; support means for resting upon an elevated surface extending from the distal end of said rear rails; adjustable vertical support means attached to the proximal end of said rear rails; positioning said support means upon an elevated hearth adjacent said hearth cavity; adjusting said vertical support means to level said rear rails; telescoping said pair of front rails from between said rear rails into a position adjacent said insert; elevating said insert a distance sufficient to permit said front rails to extend under said insert; extending said front rails under said insert; and conveying said insert across said front conveying means and said rear conveying means to permit access to said hearth cavity.
Claim 3
Dependent Claim
24 words
The process according to claim 1 further comprising means for preventing a conveyed article from moving past said proximal end of said rear rails.
Claim 4
Dependent Claim
55 words
The process according to claim 2 wherein said adjustable vertical support means extend above and below the proximal end of said rear rails to both support said rear rails and to act as a back stop to prevent an object conveyed on said rear rails from moving past the proximal end of said rear rails.
Claim 5
Dependent Claim
30 words
The process according to claim 1 wherein said front rails telescope from between said rear rails and further including locking means for locking said front rails in a desired position.
Claim 6
Dependent Claim
19 words
The process according to claim 1 wherein said telescoping front rails terminate in a taper at their distal end.
Claim 7
Dependent Claim
13 words
The process according to claim 1 wherein said rear conveying means comprise rollers.
Claim 8
Dependent Claim
13 words
The process according to claim 1 wherein said front conveying means comprise rollers.
Claim 9
Dependent Claim
38 words
The process according to claim 1 wherein said front rails in combination with said front conveying means have a vertical height of less than the vertical height of said rear rails in combination with said rear conveying means.
Claim 10
Dependent Claim
20 words
The process according to claim 1 further comprising means for locking each of said front rails in a desired position.
References Cited (Backward Citations)
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Cited
US2760617A
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US2904196A
Cited
US3370727A
Cited
US3374878A
Cited
US4369959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-07-17 | 1988-01-16 | 1988-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-17 | 1992-01-16 | 1992-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-17 | 1996-01-16 | 1996-07-17 | $7700.00 | Window Closed / Lapsed |