Patent US3787971A successfully refreshed from Google Patents.
US3787971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carpet trim cutter
Assignee: Performance Industries Inc
•
Filing: 1972-10-06
•
Granted: 1974-01-29
•
Expires: 1992-10-06
Abstract
Abstract A carpet trim cutter having a blade holder which is adjustably mountable to the body of the carpet trim cutter such that a cutting blade carried by the blade holder may be selectively positioned to control the depth of cut by the cutting blade. Means are provided for selectively positioning the blade holder on the body of the carpet trim cutter including means for releasably attaching both the blade cutter and the blade to the carpet trim cutter. The carpet trim cutter is of an integral construction fabricated from a plastic material.
Inventors
- 👤 K Hewson
- 👤 L Sutton
- 👤 C Ranno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:48
CPC Classifications
B; B26; B26B; B26B5/00; B26B5/005
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
129 words
A carpet trim cutter comprising: a body; handle means caried by said body; first and second spaced-apart laterally extending walls; a longitudinally disposed third wall positioned between the opposing inner faces of said first and second walls, the upper edge of said third wall terminating below the upper edges of said first and second walls; a blade holder having on the bottom side thereof a plurality of longitudinally disposed and laterally spaced-apart slots respectively, selectively, engageable with said third wall upper edge when said blade holder is positioned thereon between said first and second walls, said selective engagement controlling the distance at which a longitudinally disposed edge of said blade holder extends beyond said first and second walls; and means for fastening a cutting blade to said blade holder.
Claim 2
Dependent Claim
129 words
A carpet trim cutter comprising: a body; handle means caried by said body; first and second spaced-apart laterally extending walls; a longitudinally disposed third wall positioned between the opposing inner faces of said first and second walls, the upper edge of said third wall terminating below the upper edges of said first and second walls; a blade holder having on the bottom side thereof a plurality of longitudinally disposed and laterally spaced-apart slots respectively, selectively, engageable with said third wall upper edge when said blade holder is positioned thereon between said first and second walls, said selective engagement controlling the distance at which a longitudinally disposed edge of said blade holder extends beyond said first and second walls; and means for fastening a cutting blade to said blade holder.
Claim 3
Dependent Claim
29 words
The carpet trim cutter defined in claim 1 wherein said fastening means for fastening said blade to said holder is adapted to simultaneously fasten said holder to said body.
Claim 4
Dependent Claim
42 words
The carpet trim cutter defined in claim 1 wherein the longitudinally opposing edges of said blade holder are respectively in an abutting contact with the opposing inner faces of said first and second walls to restrain said blade holder from longitudinal movement.
Claim 5
Dependent Claim
20 words
The carpet trim cutter defined in claim 1 wherein said body, said handle means and said walls are integrally formed.
Claim 6
Dependent Claim
21 words
The carpet trim cutter defined in claim 4 wherein said body handle means and walls are fabricated from a plastic material.
Claim 7
Dependent Claim
187 words
The carpet trim cutter Defined in claim 1 wherein said means for holding said cutting blade comprises a first pair of raised ridges disposed respectively in planes which are inclined with respect to one another and to said extended longitudinal edge of said blade holder and a second pair of spaced-apart raised ridges disposed, respectively, in second planes parallel to said first-mentioned planes and said second planes being inclined with respect to one another and to said longitudinal edge of said blade holder, said blade having an aperture adapted to receive one of said second pair of raised ridges while an edge of said blade is in abutment with at least one of said first ridges, said fastening means extending through said blade to permit a removable attachment of said blade to said blade holder, said blade being removable from said first-mentioned raised ridge and receivable in said other of said second raised ridges wherein a longitudinal edge of said blade is in abutting contact with the other of said first pair of raised ridges with said fastening means selectively attaching said blade to said blade holder.
Claim 8
Dependent Claim
49 words
The carpet trim cutter defined in claim 6 wherein said fastening means comprises a nut and bolt arrangement said bolt extending through said body portion, said blade holder and said blade for a threaded engagement with said nut to fasten said blade and said blade holder to said body.
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) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |