Patent US4912812A successfully refreshed from Google Patents.
US4912812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for connecting the ends of a toothed belt
Assignee: Heidelberger Druckmaschinen AG
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Filing: 1988-12-22
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Granted: 1990-04-03
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Expires: 2008-12-22
Abstract
Abstract A device is for connecting the ends of a toothed belt having a plurality of longitudinal reinforcing cords. The device includes a connecting element having at least two interconnected lock parts. Each of the interconnected lock parts has a plurality of holes for respectively receiving an end of one of the reinforcing cords therein. Each of the ends of the reinforcing cords is connected with the lock parts by being force-locked within the hole.
Inventors
- 👤 Manfred Henn
- 👤 Herbert Bialek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:41
CPC Classifications
F; F16; F16G; F16G3/00; Y; Y10; Y10T; Y10T24/00; Y10T24/16; Y10T24/1692
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
112 words
A device for connecting the ends of a toothed belt, said toothed belt having a plurality of longitudinal reinforcing cords and a plurality of teeth, said device comprising: a connecting element; said connecting element including at least two interconnected lock parts; each of said lock parts having a plurality of holes, each hole for receiving an end of one of said reinforcing cords therein; each of said ends of said reinforcing cords being connected with one of said lock parts by being force-locked within said hole of its corresponding lock part; and each of said lock parts being positioned within an area defined by a single tooth of said plurality of teeth.
Claim 2
Independent Claim
112 words
A device for connecting the ends of a toothed belt, said toothed belt having a plurality of longitudinal reinforcing cords and a plurality of teeth, said device comprising: a connecting element; said connecting element including at least two interconnected lock parts; each of said lock parts having a plurality of holes, each hole for receiving an end of one of said reinforcing cords therein; each of said ends of said reinforcing cords being connected with one of said lock parts by being force-locked within said hole of its corresponding lock part; and each of said lock parts being positioned within an area defined by a single tooth of said plurality of teeth.
Claim 3
Dependent Claim
23 words
The device according to claim 1, wherein said each of said ends of said reinforcing cords are force-locked within said hole by caulking.
Claim 4
Dependent Claim
25 words
The device according to claim 1, wherein said two lock parts are connected in the area of at least one tooth of said toothed belt.
Claim 5
Dependent Claim
56 words
The device according to claim 1, wherein said lock parts respectively include legs which are in meshing engagement with one another and include through holes which have a common center line when said legs are in said meshing engagement and said lock parts are connected at said legs by dowel means installed in said through holes.
Claim 6
Dependent Claim
39 words
The device according to claim 1, wherein each of said ends of said toothed belt is also connected with said lock part by pin means located in a tooth of said toothed belt and lying across said toothed belt.
Claim 7
Dependent Claim
16 words
The device according to claim 1, wherein said two lock parts are interconnected by dowel means.
Claim 8
Dependent Claim
23 words
The device according to claim 1, wherein said two lock parts are located in the area of two teeth of said toothed belt.
Claim 9
Dependent Claim
39 words
The device according to claim 7, wherein each of said ends of said toothed belt is also connected with said lock part by pin means located in one of said two teeth and extending transversely of said toothed belt.
Claim 10
Dependent Claim
21 words
The device according to claim 8, wherein said two lock parts are interconnected by dowel means located between said two teeth.
Claim 11
Dependent Claim
29 words
The device according to claim 9, wherein said dowel means is located in an area of a tooth root to be below a tooth gap between said two teeth.
Claim 12
Independent Claim
144 words
A device for connecting the ends of a toothed belt, said belt having a plurality of longitudinal reinforcing cords, said device comprising: a connecting element; said connecting element including at least two interconnected lock parts; each of said lock parts including a web located in an area of a root of said toothed belt to be below the level of a tooth gap of said toothed belt; each of said webs having a plurality of holes for respectively receiving an end of one of said reinforcing cords therein; each of said ends of said reinforcing cords being connected with said lock parts by being force-locked within said hole; at least a portion of said lock parts between said webs being connected by dowel means; and said at least a portion of said lock parts between said webs forming a tooth of said toothed belt.
Claim 13
Independent Claim
144 words
A device for connecting the ends of a toothed belt, said belt having a plurality of longitudinal reinforcing cords, said device comprising: a connecting element; said connecting element including at least two interconnected lock parts; each of said lock parts including a web located in an area of a root of said toothed belt to be below the level of a tooth gap of said toothed belt; each of said webs having a plurality of holes for respectively receiving an end of one of said reinforcing cords therein; each of said ends of said reinforcing cords being connected with said lock parts by being force-locked within said hole; at least a portion of said lock parts between said webs being connected by dowel means; and said at least a portion of said lock parts between said webs forming a tooth of said toothed belt.
Claim 14
Dependent Claim
66 words
The device according to claim 11, wherein said at least a portion of said lock parts including legs of said lock parts which are in meshing engagement with one another and include through holes which have a common center line when said legs are in said meshing engagement and said lock parts are connected at said legs by said dowel means installed in said through holes.
Claim 15
Independent Claim
141 words
A device for connecting the ends of a toothed belt, said belt having a plurality of longitudinal reinforcing cords, said device comprising: a connecting element; said connecting element including at least two interconnected lock parts; each of said lock parts including a web located in alignment with said reinforcing cords; each of said webs having a plurality of holes for respectively receiving an end of one of said reinforcing cords therein; each of said ends of said reinforcing cords being connected with said lock parts by being force-locked within said hole; each of said webs having side legs extending to the sides of a last tooth of said end of said toothed belt; pin means for connecting said side legs to said last tooth; and said lock parts being interconnected by dowel means in an area thereof between said last teeth.
Claim 16
Independent Claim
141 words
A device for connecting the ends of a toothed belt, said belt having a plurality of longitudinal reinforcing cords, said device comprising: a connecting element; said connecting element including at least two interconnected lock parts; each of said lock parts including a web located in alignment with said reinforcing cords; each of said webs having a plurality of holes for respectively receiving an end of one of said reinforcing cords therein; each of said ends of said reinforcing cords being connected with said lock parts by being force-locked within said hole; each of said webs having side legs extending to the sides of a last tooth of said end of said toothed belt; pin means for connecting said side legs to said last tooth; and said lock parts being interconnected by dowel means in an area thereof between said last teeth.
Claim 17
Dependent Claim
34 words
The device according to claim 11, wherein said area of said lock parts interconnected by said dowel means is located in a tooth root to be below a tooth gap between said last teeth.
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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) | 1993-04-02 | 1993-10-02 | 1994-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-02 | 1997-10-02 | 1998-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-02 | 2001-10-02 | 2002-04-03 | $7700.00 | Window Closed / Lapsed |