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US4893449A
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US
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Removable bridge profile for floor joints
Assignee: Individual
•
Filing: 1988-12-16
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Granted: 1990-01-16
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Expires: 2008-12-16
Abstract
Abstract In a removable bridge profile for floor joints of parquet floors with different vertical position of the joint edges, consisting of an L-shaped base profile with a threaded drive channel projecting into the joint, at least one covering wing adjoining a center portion covering the joint and drive or Parker or sheet metal screws, at the lower side of the center portion two webs engaging over the upright portion of the threaded drive channel are attached.
Inventors
- 👤 Hans A. Kemper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:23
CPC Classifications
E; E04; E04F; E04F19/00; E04F19/02; E04F19/06; E04F19/061; E04F15/00; E04F15/02; E04F15/02005; E04F19/065; E04F19/066
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
102 words
Removable bridge profile for floor joints, in particular of parquet floors with different vertical position of the joint edges, consisting of an L-shaped base profile with a threaded drive channel projecting into the joint, at least one covering wing adjoining a center portion covering the joint and drive screws, wherein the improvement comprises a drive channel having a pair of vertical upstanding walls with planar outer vertical surfaces to form a vertical leg of said L-shaped base profile, and the lower side of the center portion comprises two parallel webs engaging over the planar outer vertical surfaces of the threaded drive channel.
Claim 2
Dependent Claim
102 words
Removable bridge profile for floor joints, in particular of parquet floors with different vertical position of the joint edges, consisting of an L-shaped base profile with a threaded drive channel projecting into the joint, at least one covering wing adjoining a center portion covering the joint and drive screws, wherein the improvement comprises a drive channel having a pair of vertical upstanding walls with planar outer vertical surfaces to form a vertical leg of said L-shaped base profile, and the lower side of the center portion comprises two parallel webs engaging over the planar outer vertical surfaces of the threaded drive channel.
Claim 3
Dependent Claim
20 words
Bridge profile according to claim 1, wherein the webs are made strip-like and extend continuously in the joint longitudinal direction.
Claim 4
Dependent Claim
13 words
Bridge profile according to claim 2, wherein the webs are of equal thickness.
Claim 5
Dependent Claim
13 words
Bridge profile according to claim 1, wherein the webs have a different length.
Claim 6
Dependent Claim
13 words
Bridge profile according to claim 1, wherein the two parts consist of aluminum.
Claim 7
Dependent Claim
39 words
Bridge profile according to claim 1, wherein the center portion is provided with countersunk holes to accept drive screws and the at least one covering wing is provided with grooves or the like extending in the joint longitudinal direction.
Claim 8
Dependent Claim
33 words
Bridge profile according to claim 6, wherein the at least one covering wing comprises two wings of different width and that between the two wings and the center portion upset grooves are provided.
Claim 9
Dependent Claim
17 words
Bridge profile according to claim 7, wherein at least one covering wing has a thickened support foot.
Claim 10
Dependent Claim
40 words
Bridge profile according to claim 8, wherein the support foot comprises an approximately horizontal support surface only at its end region and in the region facing the center portion the support surface has a lower surface spaced from the floor.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-01-15 | 1993-07-17 | 1994-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-01-15 | 1997-07-17 | 1998-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-01-15 | 2001-07-17 | 2002-01-16 | $7700.00 | Window Closed / Lapsed |