Patent US4143759A successfully refreshed from Google Patents.
US4143759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positionable cleats and associated conveyors
Assignee: Individual
•
Filing: 1977-04-08
•
Granted: 1979-03-13
•
Expires: 1997-04-08
Abstract
Abstract Cleats which may be positioned as desired on a conveyor belt. Each cleat has ears which permit its temporary and alterable attachment to a belt with alternating ridges and channels that are transverse to the direction of movement of the belt.
Inventors
- 👤 Joseph R. Paradis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:29
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/30; B65G15/32; B65G15/42; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
67 words
In combination, a positionable conveyor cleat and a conveyor belt having recesses on the underside thereof; said cleat having a flight formed by a rigid single-piece member with securing means; said securing means comprising oppositely positioned members having inwardly directed abutments formed thereon securing said flight in at least one recess of said belt; whereby the flight can be removed and repositioned only by deflecting said belt.
Claim 2
Dependent Claim
67 words
In combination, a positionable conveyor cleat and a conveyor belt having recesses on the underside thereof; said cleat having a flight formed by a rigid single-piece member with securing means; said securing means comprising oppositely positioned members having inwardly directed abutments formed thereon securing said flight in at least one recess of said belt; whereby the flight can be removed and repositioned only by deflecting said belt.
Claim 3
Dependent Claim
23 words
A combination in accordance with claim 1 wherein said abutments are tapered to facilitate the installation of the cleat on the conveyor belt.
Claim 4
Dependent Claim
30 words
A combination in accordance with claim 1 wherein said flight has a base member which includes means for facilitating the disposition of the cleat with respect to the conveyor belt.
Claim 5
Dependent Claim
37 words
A combination in accordance with claim 3 wherein the facilitating means comprises a longitudinal groove for positioning a tool that bows the conveyor belt along its direction of travel during either installation or removal of the cleat.
Claim 6
Dependent Claim
19 words
A combination in accordance with claim 1 further including means for engaging said guides to stabilize the conveyor belt.
Claim 7
Dependent Claim
16 words
A combination in accordance with claim 5 wherein the engaging means comprise recesses in said flight.
Claim 8
Dependent Claim
20 words
A combination in accordance with claim 6 wherein said recesses form channels that are tapered with respect to said flight.
Claim 9
Dependent Claim
38 words
A combination in accordance with claim 1 secured to said belt wherein said belt has alternating ridges and channels which are transverse to its direction of travel and said cleat engages said belt in one of said channels.
Claim 10
Dependent Claim
23 words
A combination in accordance with claim 8 wherein said belt has a cross section with a substantially square-wave pattern on one surface thereof.
References Cited (Backward Citations)
US3842968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-03-12 | 1982-09-11 | 1983-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-12 | 1986-09-11 | 1987-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-12 | 1990-09-11 | 1991-03-13 | $7700.00 | Window Closed / Lapsed |