US3776349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabricated flexible conveyor chain
Assignee: XLO Inc A CORP OF
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Filing: 1969-06-25
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Granted: 1973-12-04
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Expires: 1989-06-25
Abstract
Abstract A fabricated flexible conveyor chain is provided from solid construction which can be made from a single piece of metallic material or can be made from separate sheets of material permitting different types of materials to form a completed link units, including the advantage of having negative draft rib members to give guiding and controlling surfaces permitting the chain unit to travel around small diameter curves.
Inventors
- 👤 R Kampfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:16
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/06; B65G17/08; B65G17/086; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
271 words
A conveyor chain link unit being capable of connection by pivot pins comprising, in combination: a. said link unit having a ramp member and a platform member; b. said platform member having a first and second pin receiving means; c. said first pin receiving means being positioned substantially at the center of a first edge of said platform member and having a central opening; d. said central opening being larger in area than the said pivot pin it will receive; e. said second pin receiving means having two side projections being positioned on substantially opposite sides of the center of a second edge of said platform member and having pin bores; f. said pin bores having an area substantially the same size as the said pivot pin it will receive; g. said side projections being separated more than the width of said first pin receiving means; h. first and second ramp guides as part of said Ramp member; i. said ramp guides positioned between the first and second edge of said platform member and separated from each other a greater distance than the outside edges of said side projection; j. said ramp guides forming an acute angle with said platform member; k. said ramp member and said platform member are inherent with each other and formed from a single piece of material; l. said first and second guide means are formed by folding said single piece of material forming a double thickness of material; m. the said guide means will extend the length of said link unit; and n. the ends of said platform members will extend beyond said guide means.
Claim 2
Dependent Claim
271 words
A conveyor chain link unit being capable of connection by pivot pins comprising, in combination: a. said link unit having a ramp member and a platform member; b. said platform member having a first and second pin receiving means; c. said first pin receiving means being positioned substantially at the center of a first edge of said platform member and having a central opening; d. said central opening being larger in area than the said pivot pin it will receive; e. said second pin receiving means having two side projections being positioned on substantially opposite sides of the center of a second edge of said platform member and having pin bores; f. said pin bores having an area substantially the same size as the said pivot pin it will receive; g. said side projections being separated more than the width of said first pin receiving means; h. first and second ramp guides as part of said Ramp member; i. said ramp guides positioned between the first and second edge of said platform member and separated from each other a greater distance than the outside edges of said side projection; j. said ramp guides forming an acute angle with said platform member; k. said ramp member and said platform member are inherent with each other and formed from a single piece of material; l. said first and second guide means are formed by folding said single piece of material forming a double thickness of material; m. the said guide means will extend the length of said link unit; and n. the ends of said platform members will extend beyond said guide means.
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) | 1976-12-03 | 1977-06-04 | 1977-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-03 | 1981-06-04 | 1981-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-03 | 1985-06-04 | 1985-12-04 | $7700.00 | Window Closed / Lapsed |