US3923223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holder with tear-off mechanism for web-like material
Assignee: Individual
•
Filing: 1975-04-11
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Granted: 1975-12-02
•
Expires: 1995-04-11
Abstract
Abstract A holder with a tear-off mechanism for web-like material, especially for paper rolls, comprising a supporting-and holding portion for the material equipped with a bearing surface through which the material can be withdrawn, and a tear-off mechanism following the bearing surface. The tear-off mechanism comprises a tubular section protruding from the bearing surface.
Inventors
- 👤 Karl Olof Axel Helmer Larsson
- 👤 Lars Lander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:45
CPC Classifications
A; A47; A47K; A47K10/00; A47K10/24; A47K10/32; A47K10/34; A47K10/38; A47K10/3809; A47K10/3818; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/238; Y10T225/246; Y10T225/294
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
148 words
A holder with a tear-off mechanism for web-like material, especially for paper rolls, comprising a supporting and holding member for the material including a bearing means forming the bottom of the holder and having a central bottom opening through which the material is withdrawn, said bearing means having a substantially planar upper bearing surface and the holder also comprising a tear-off mechanism connected to the supporting and holding member and arranged following and surrounding said central opening in the bearing means, the tear-off mechanism comprising an elongated, conduit of substantially circular crosssection protruding downwardly from the opening in the bearing means and terminating with teeth at its lower end for severing the web-like material at said lower end, said conduit being dimensioned to permit a user of the holder to insert his fingers into the conduit to grip a portion of the web-like material disposed in the conduit.
Claim 2
Dependent Claim
148 words
A holder with a tear-off mechanism for web-like material, especially for paper rolls, comprising a supporting and holding member for the material including a bearing means forming the bottom of the holder and having a central bottom opening through which the material is withdrawn, said bearing means having a substantially planar upper bearing surface and the holder also comprising a tear-off mechanism connected to the supporting and holding member and arranged following and surrounding said central opening in the bearing means, the tear-off mechanism comprising an elongated, conduit of substantially circular crosssection protruding downwardly from the opening in the bearing means and terminating with teeth at its lower end for severing the web-like material at said lower end, said conduit being dimensioned to permit a user of the holder to insert his fingers into the conduit to grip a portion of the web-like material disposed in the conduit.
Claim 3
Dependent Claim
17 words
The holder as defined in claim 1, wherein the tear-off mechanism comprises a substantially cylindrical tubular section.
Claim 4
Dependent Claim
20 words
The holder as defined in claim 1, wherein the substantially tubular-shaped tear-off section, viewed in the downward direction, conically widens.
Claim 5
Dependent Claim
39 words
The holder as defined in claim 1, wherein the substantially tubular-shaped tear-off mechanism constitutes a separate component and said separate component being provided with means providing a detachable connection of the tubular-shaped tear-off mechanism at the bearing surface means.
Claim 6
Dependent Claim
21 words
The holder as defined in claim 1, wherein the substantially tubular-shaped tear-off mechanism is integrally formed with the bearing surface means.
References Cited (Backward Citations)
US3150808A
Cited
US3432081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-01 | 1979-06-02 | 1979-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-01 | 1983-06-02 | 1983-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-01 | 1987-06-02 | 1987-12-02 | $7700.00 | Window Closed / Lapsed |