Patent US6073756A successfully refreshed from Google Patents.
US6073756A
Expired / Lapsed
US
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Side-flexing conveyor belt
Assignee: UNI-CHAINS AS
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Filing: 1998-04-24
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Granted: 2000-06-13
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Expires: 2018-04-24
Abstract
Abstract Side-flexing conveyor belt built up of a number of chain links which are joined together in a hinge-like manner by means of transverse rods (5, 6) through openings in the individual chain links. Use is made of chain links of at least two types, i.e. edge chain links (1, 2) with one-sided reinforcement (18), and module chain links (3, 4) between the edge chain links. The chain links of both types can be configured in various module breadths, and the individual links are staggered in relation to one another. Each link has a first row of eye parts (12) with mutual intervals between them in the transverse direction, and with elongated holes in line with one another for the engagement of a transverse rod, and a second row of eye parts (11) disposed midway between the first-mentioned eye parts and with holes in line with one another for the engagement of a second transverse rod, and the two sets of eye parts are held together by a transversely-extending bridge part. The edge chain links' one-sided reinforcement (18) extends over at least one eye part for each row, so that at least one eye part is replaced by at least one traction side plate (7) in each link, in that said side plates have transverse openings corresponding to the eye part's openings and elongated holes and are in engagement with adjacent rods (5, 6).
Inventors
- 👤 Poul Erik Damkj.ae butted.r
- 👤 John Haue Damkj.ae butted.r
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:51
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/30; B65G17/38; B65G17/385; B65G17/06; B65G17/08; B65G17/086; B65G17/40; B65G2201/00; B65G2201/02; B65G2207/00; B65G2207/12
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
300 words
Side-flexing conveyor belt built up of a number of chain links which are joined together in a hinge-like manner by means of transverse rods (5, 6) through openings in the individual chain links, and where at least two types of chain links are used, i.e. a) edge chain links (1, 2) with one-sided reinforcement (18) and arranged for positioning in the outer parts of the belt, and b) module chain links (3, 4) arranged for positioning between the edge chain links, and where the chain links of both types can be configured in various module breadths, so that the conveyor belt can be built up in the desired breadth, and so that the individual links are staggered in relation to one another in a commonly-known manner (brick-laid), and where each link comprises c) a first row of eye parts (12), preferably with equally large mutual intervals between them in the transverse direction, and with elongated holes (15) which are in line with one another for insertion of a transverse rod, and d) a second row of eye parts (11) positioned preferably midway between the eye parts of the first-mentioned row, and with openings (13) in line with one another for insertion of a second transverse rod, in that the two sets of eye parts are held together by a transversely-extending bridge part (22), characterized in that the one-sided reinforcement (18) of the edge links extends over at least one eye part (11, 12) for each row, so that at least one eye part is replaced by at least one traction side plate (7) in each link, in that said side plates have transverse openings (55, 56; 60, 62) corresponding to the openings (13) and elongated holes (15) in the eye parts and are in engagement with adjacent rods (5, 6).
Claim 2
Dependent Claim
300 words
Side-flexing conveyor belt built up of a number of chain links which are joined together in a hinge-like manner by means of transverse rods (5, 6) through openings in the individual chain links, and where at least two types of chain links are used, i.e. a) edge chain links (1, 2) with one-sided reinforcement (18) and arranged for positioning in the outer parts of the belt, and b) module chain links (3, 4) arranged for positioning between the edge chain links, and where the chain links of both types can be configured in various module breadths, so that the conveyor belt can be built up in the desired breadth, and so that the individual links are staggered in relation to one another in a commonly-known manner (brick-laid), and where each link comprises c) a first row of eye parts (12), preferably with equally large mutual intervals between them in the transverse direction, and with elongated holes (15) which are in line with one another for insertion of a transverse rod, and d) a second row of eye parts (11) positioned preferably midway between the eye parts of the first-mentioned row, and with openings (13) in line with one another for insertion of a second transverse rod, in that the two sets of eye parts are held together by a transversely-extending bridge part (22), characterized in that the one-sided reinforcement (18) of the edge links extends over at least one eye part (11, 12) for each row, so that at least one eye part is replaced by at least one traction side plate (7) in each link, in that said side plates have transverse openings (55, 56; 60, 62) corresponding to the openings (13) and elongated holes (15) in the eye parts and are in engagement with adjacent rods (5, 6).
Claim 3
Dependent Claim
26 words
Conveyor belt according to claim 1, characterized in that the side plates (7) are positioned at a distance from the outer edge (10) of the belt.
Claim 4
Dependent Claim
28 words
Conveyor belt according to claim 1, characterized in that the side plates (7) have a height (x) which is less than the height (h) of the chain link.
Claim 5
Dependent Claim
44 words
Conveyor belt according to claim 1, characterized in that each edge link comprises internal holding means or tracks (19) configured in the running direction of the belt and configured for securing of the side plates (7) so that these become integrated in the link.
Claim 6
Dependent Claim
22 words
Conveyor belt according to claim 4, characterized in that each edge link has two parallel holding means or tracks for side plates.
Claim 7
Dependent Claim
37 words
Conveyor belt according to claim 5, characterized in that the holding means or the tracks are configured in such a manner that the side plates in adjacent links are positionally held at a distance from each other.
Claim 8
Dependent Claim
24 words
Conveyor belt according to claim 1, characterized in that the side plates are of steel (54), for example special steel with high tensile strength.
Claim 9
Dependent Claim
22 words
Conveyor belt according to claim 1, characterized in that the side plates are made of plastic (59), preferably reinforced or fibre-strengthened plastic.
Claim 10
Dependent Claim
72 words
Conveyor belt according to claim 1, characterized in that all eye parts (11, 12) have a through-going opening (16, 17) from the link's upperside to the link's underside, and in that the edge links at the reinforced outer edges similarly comprise such an opening (16) positioned substantially outermost in the link, in that each opening is arranged for the insertion of a blocking element (8, 9) for the transverse rod (5, 6).
Claim 11
Dependent Claim
58 words
Conveyor belt according to claim 1 or 9, characterized in that use is made of steel rod parts in the chain links at any point along the breadth of the belt where steel rods are desired, and that the intermediate rod part is configured in another material, e.g. as a plastic rod, a plastic tube or metal tube.
Claim 12
Dependent Claim
25 words
Conveyor belt according to claim 1 or 9, characterized in that use is made of a through-going rod across the whole breadth of the belt.
Claim 13
Dependent Claim
54 words
Conveyor belt according to claim 1 or 9, characterized in that the edge chain links can further comprise holding elements (44) facing downwards from the underside and with a surface (45) arranged for contact with a rail (42, 43) arranged to prevent the lifting of the underside of the belt when running in curves.
Claim 14
Dependent Claim
25 words
Conveyor belt according to claim 12, characterized in that the downwardly-facing holding element (44) is configured as one piece integral with the edge chain link.
Claim 15
Dependent Claim
39 words
Conveyor belt according to claim 12, characterized in that the downwardly-facing holding element (44) is an independent part arranged (48) to be secured to a chain link by insertion in the through-going openings (16, 17) in the eye parts.
Claim 16
Dependent Claim
27 words
Conveyor belt according to claim 14, characterized in that the downwardly-facing holding element (44) is in engagement (49, 50) with at least one transverse rod (5, 6).
Claim 17
Dependent Claim
70 words
Conveyor belt according to claim 1 or 9, characterized in that it can further comprise a number of friction catch-plates (89) of a material with relatively high friction, e.g. rubber or plastic, and arranged to be secured on the upperside of the belt, and where each catch-plate comprises a number of securing parts (91) integral with the catch-plate and arranged for insertion in the through-going openings in the chain links.
Claim 18
Dependent Claim
70 words
Conveyor belt according to claim 1, characterized in that all module chain links, and those of the edge chain links which do not lie in the reinforcement area, are configured with a symmetrical, transverse bridge part (22), and in that the leading edges (26) of the eye parts are rounded off and symmetrical, so that driving wheels (99) can freely engage with the upperside or the underside of the belt.
Claim 19
Dependent Claim
55 words
Conveyor belt according to claim 1 or 9, characterized in that it can further comprise a number of catch-plate elements (75) or a number of side-guard elements (82), said elements along an edge or side each comprising at least one securing part (78; 83) arranged for insertion in the through-going openings in the chain links.
Claim 20
Dependent Claim
39 words
Conveyor belt according to claim 18, characterized in that the securing part or parts (78; 83) comprise at least one opening or at least one recess (79; 84) arranged for engagement with at least one rod or rod part.
Claim 21
Dependent Claim
59 words
Conveyor belt according to claim 1, characterized in that it can further comprise a number of retaining elements (94), each comprising a transverse bridge part (96) arranged to prevent the belt from being lifted up, and which opposite the bridge part comprises a number of securing parts (97) arranged for insertion in the through-going openings in the chain links.
Claim 22
Dependent Claim
291 words
Conveyor belt built up of a number of chain links which are joined together in a hinge-like manner by means of transverse rods (5, 6) through openings in the individual chain links, and where use is made of chain links of at least two types, i.e. a) edge chain links (1, 2) with one-sided reinforcement (18) and arranged to be positioned in the outer parts of the belt, and b) module chain links (3, 4) arranged to be positioned between the edge chain links, and where the chain links of both types can be configured in various module breadths, so that the conveyor belt can be built up in the desired breadth, and so that the individual links are staggered in relation to one another in a commonly-known manner (brick-laid), and where each link comprises c) a first row of eye parts (12), preferably with equally large mutual intervals between them in the transverse direction, and with elongated holes (15) which are in line with one another for insertion of a transverse rod, and d) a second row of eye parts (11) positioned preferably midway between the eye parts of the first-mentioned row, and with openings (13) in line with one another for insertion of a second transverse rod, in that the two sets of eye parts are held together by a transversely-extending bridge part (22), characterized in that the distance (a) between adjacent eye parts is at least equal to the thickness (b) of an eye part and at the most equal to 1.8 times the thickness of an eye part (b≦a≦1.8×b), and that the depth (d) of the opening between two adjacent eye parts lies between two and three times the distance (a) between the adjacent eye parts (2×a≦d≦3≦a).
Claim 23
Dependent Claim
291 words
Conveyor belt built up of a number of chain links which are joined together in a hinge-like manner by means of transverse rods (5, 6) through openings in the individual chain links, and where use is made of chain links of at least two types, i.e. a) edge chain links (1, 2) with one-sided reinforcement (18) and arranged to be positioned in the outer parts of the belt, and b) module chain links (3, 4) arranged to be positioned between the edge chain links, and where the chain links of both types can be configured in various module breadths, so that the conveyor belt can be built up in the desired breadth, and so that the individual links are staggered in relation to one another in a commonly-known manner (brick-laid), and where each link comprises c) a first row of eye parts (12), preferably with equally large mutual intervals between them in the transverse direction, and with elongated holes (15) which are in line with one another for insertion of a transverse rod, and d) a second row of eye parts (11) positioned preferably midway between the eye parts of the first-mentioned row, and with openings (13) in line with one another for insertion of a second transverse rod, in that the two sets of eye parts are held together by a transversely-extending bridge part (22), characterized in that the distance (a) between adjacent eye parts is at least equal to the thickness (b) of an eye part and at the most equal to 1.8 times the thickness of an eye part (b≦a≦1.8×b), and that the depth (d) of the opening between two adjacent eye parts lies between two and three times the distance (a) between the adjacent eye parts (2×a≦d≦3≦a).
Claim 24
Dependent Claim
43 words
Conveyor belt according to claim 21, characterized in that the height (h) of the chain links is of the same order as the depth (d) of the openings between two eye parts, though such that the height is less than the depth (h≦d).
Claim 25
Dependent Claim
42 words
Conveyor belt according to claim 1, characterized in that it further comprises a number of wear elements (100, 110) with means (102, 112) for securing in the edge of the belt while using the openings (13, 14, 15) in the eye parts.
Claim 26
Dependent Claim
36 words
Conveyor belt according to claim 23, characterized in that the wear elements are moulded as a one-piece unit in a heat-resistant material, preferably a material which is more heat-resistant than the chain links themselves, e.g. nylon.
Claim 27
Dependent Claim
42 words
Conveyor belt according to claim 21, characterized in that it further comprises a number of wear elements (100, 110) with means (102, 112) for securing in the edge of the belt while using the openings (13, 14, 15) in the eye parts.
Claim 28
Dependent Claim
36 words
Conveyor belt according to claim 25, characterized in that the wear elements are moulded as a one-piece unit in a heat-resistant material, preferably a material which is more heat-resistant than the chain links themselves, e.g. nylon.
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) | 2003-06-13 | 2003-12-13 | 2004-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-06-13 | 2007-12-13 | 2008-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-06-13 | 2011-12-13 | 2012-06-13 | $7700.00 | Window Closed / Lapsed |