US4683657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting blade for carpet removing machines
Assignee: National Flooring Equipment Inc
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Filing: 1986-03-10
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Granted: 1987-08-04
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Expires: 2006-03-10
Abstract
Abstract A cutting attachment for a carpet stripping tool whereby the carpeting being removed from a floor area is simultaneously cut into strips as the adhesive bond between the carpet and the floor is separated.
Inventors
- 👤 Lloyd E. Anderson
- 👤 Martin L. Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:01
CPC Classifications
B; B26; B26D; B26D11/00; B26D3/00; B26D3/28; E; E04; E04G; E04G23/00; E04G23/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A worn carpet removal machine comprising, in combination: (a) a motorized carpet stripper machine having a generally flat, rectangular, floor-engaging blade member with a chisel-shaped cutting edge formed on the working surface thereof and mounted for oscillating orbital motion with said floor engaging blade at a predetermined angle relative to the horizontal; and (b) a cutting blade having a sharpened edge, said cutting blade being adjustably secured to said floor-engaging blade and having a portion extending vertically upwardly therefrom and a portion extending vertically downwardly therefrom at generally a right angle and located adjacent a side edge thereof with said sharpened edge pointing toward and of an adjustable distance from said chisel-shaped cutting edge of said floor-engaging blade, said cutting blade operative to slice through the thickness dimension of the carpet as it is loosened from the floor by said floor-engaging blade with said predetermined angle precluding the downwardly extending portion of said cutting blade from contacting the floor.
Claim 2
Dependent Claim
159 words
A worn carpet removal machine comprising, in combination: (a) a motorized carpet stripper machine having a generally flat, rectangular, floor-engaging blade member with a chisel-shaped cutting edge formed on the working surface thereof and mounted for oscillating orbital motion with said floor engaging blade at a predetermined angle relative to the horizontal; and (b) a cutting blade having a sharpened edge, said cutting blade being adjustably secured to said floor-engaging blade and having a portion extending vertically upwardly therefrom and a portion extending vertically downwardly therefrom at generally a right angle and located adjacent a side edge thereof with said sharpened edge pointing toward and of an adjustable distance from said chisel-shaped cutting edge of said floor-engaging blade, said cutting blade operative to slice through the thickness dimension of the carpet as it is loosened from the floor by said floor-engaging blade with said predetermined angle precluding the downwardly extending portion of said cutting blade from contacting the floor.
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) | 1990-08-03 | 1991-02-02 | 1991-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-03 | 1995-02-02 | 1995-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-03 | 1999-02-02 | 1999-08-04 | $7700.00 | Window Closed / Lapsed |