Patent US3674130A successfully refreshed from Google Patents.
US3674130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyors
Assignee: EFCO Ltd
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Filing: 1970-09-08
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Granted: 1972-07-04
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Expires: 1990-09-08
Abstract
Abstract A panel type conveyor comprising a plurality of interconnected panels, one side of each panel being formed with a first set of hinge lugs, the opposite parallel side being formed with a second set of hinge lugs, interfitting with the first set of lugs of an adjacent panel. Tie rods pass through the hinge lugs and connect the panels pivotally. Rollers are rotatably mounted on the rods between certain of the hinge lugs, these rollers engaging in elongate sprockets and running on spaced apart rails between the sprockets to support the panels.
Inventors
- 👤 Alan Carmichael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:44
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/06; B65G17/08; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
184 words
A conveyor assembly of the interconnected panel type, comprising, in combination: a. a plurality of similar interconnected panels, b. a pair of parallel sides to each of said panels; c. a first set of spaced apart hinge lugs on one of said pair of sides of each of said panel; d. a second set of spaced apart hinge lugs on the other of said pair of sides and interfitting with the first set of hinge lugs of an adjacent panel; e. a plurality of rods passing through the interfitting lugs of adjacent panels, effective to form a hinged connection between adjacent panels; f. rollers interposed between certain of said hinge lugs, and mounted for rotation on said rods; g. spaced apart support rails, said rollers running on said rails; and h. at least one continuous drive sprocket having a driven element and provided with peripheral hollows proportioned to accommodate drivingly said rollers; said sprocket comprising i. a plurality of similar blocks formed with peripheral hollows interengaging with said rollers, end faces to each of said blocks interengaging with each other and said driven element.
Claim 2
Dependent Claim
184 words
A conveyor assembly of the interconnected panel type, comprising, in combination: a. a plurality of similar interconnected panels, b. a pair of parallel sides to each of said panels; c. a first set of spaced apart hinge lugs on one of said pair of sides of each of said panel; d. a second set of spaced apart hinge lugs on the other of said pair of sides and interfitting with the first set of hinge lugs of an adjacent panel; e. a plurality of rods passing through the interfitting lugs of adjacent panels, effective to form a hinged connection between adjacent panels; f. rollers interposed between certain of said hinge lugs, and mounted for rotation on said rods; g. spaced apart support rails, said rollers running on said rails; and h. at least one continuous drive sprocket having a driven element and provided with peripheral hollows proportioned to accommodate drivingly said rollers; said sprocket comprising i. a plurality of similar blocks formed with peripheral hollows interengaging with said rollers, end faces to each of said blocks interengaging with each other and said driven element.
Claim 3
Dependent Claim
32 words
A conveyor as claimed in claim 1, wherein said interengaging means on said end faces comprise a crossed rib on one end face and a crossed recess on the other end face.
Claim 4
Dependent Claim
28 words
A conveyor as claimed in claim 2, and further comprising aligned apertures in said blocks and tie bars passing through said apertures, effective to hold said blocks together.
Claim 5
Dependent Claim
60 words
A conveyor as claimed in claim 1, wherein said panels are rectangular and include two parallel ends perpendicular to said parallel sides, wherein one of said ends is formed with at least one projection and wherein the other of said ends is formed with at least one recess positioned to be engageable by the projection of a laterally adjacent panel.
Claim 6
Dependent Claim
12 words
A conveyor as claimed in claim 1, wherein said panels are perforated.
Claim 7
Dependent Claim
20 words
A conveyor as claimed in claim 1, and further comprising strengthening links extending between adjacent rods and pivotally connected thereto.
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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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |