Patent US3711902A successfully refreshed from Google Patents.
US3711902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling structure for joining containers
Assignee: ThyssenKrupp Budd Co
•
Filing: 1971-12-22
•
Granted: 1973-01-23
•
Expires: 1991-12-22
Abstract
Abstract Coupling mechanism for supporting and positioning a plurality of containers into an array. The mechanisms are captive to corner fittings of the containers and enable individual container to be joined together to form arrays which can be liftable in various configurations. The elements making up the mechanism provide the sole means for supporting, positioning and restraining the builtup arrays.
Inventors
- 👤 W Eggert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:26
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/0033; B60; B60P; B60P7/00; B60P7/06; B60P7/13; B65D90/0026; Y; Y10; Y10S; Y10S280/00; Y10S280/08; Y10T; Y10T24/00; Y10T24/28
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
108 words
A cargo container interlock and alignment structure for a pair of cargo containers to join the same in opposed adjacent relationship, comprising a pair of fittings one being mounted in one container of said pair and the other in said other container of said pair, each corner fitting of said pair having surfaces defining a recessed portion, a bifurcated portion having a pair of apertured spaced apart lugs integral with and projecting from the surfaces defining said recess, plate means having apertured tongue portions for interlocking engagement with said lugs, and pin means adapted to pass through said lugs and tongue portions to interlock said pair of containers.
Claim 2
Dependent Claim
108 words
A cargo container interlock and alignment structure for a pair of cargo containers to join the same in opposed adjacent relationship, comprising a pair of fittings one being mounted in one container of said pair and the other in said other container of said pair, each corner fitting of said pair having surfaces defining a recessed portion, a bifurcated portion having a pair of apertured spaced apart lugs integral with and projecting from the surfaces defining said recess, plate means having apertured tongue portions for interlocking engagement with said lugs, and pin means adapted to pass through said lugs and tongue portions to interlock said pair of containers.
Claim 3
Dependent Claim
48 words
In the cargo container interlock and alignment structure as set forth in claim 1 wherein said lugs of each of said corner fittings include surfaces diverging outwardly of one another and said tongue portions of said interlock plate include surfaces which taper outwardly for engagement with said lugs.
Claim 4
Dependent Claim
50 words
In the cargo container interlock and alignment structure as set forth in claim 1 wherein said interlock plate when assembled with said lugs includes marginal edges having surfaces which conform to the recessed portions of said adjacent fittings and thereby enable alignment of one container relative to the other container.
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) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |