Patent US3750826A successfully refreshed from Google Patents.
US3750826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latching apparatus for removable roof of transport containers, particularly i. s. o. containers
Assignee: Ministerium fuer Verkehrswesen
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Filing: 1971-06-09
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Granted: 1973-08-07
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Expires: 1991-06-09
Abstract
Abstract A push rod extends along an edge of the framework of the roof. The rod has a plurality of wedge-like recesses. Corresponding projections are provided on or at the upper edge of the sidewall, for latching purposes.
Inventors
- 👤 K Wenzel
- 👤 G Kornetzky
- 👤 E Dietz
- 👤 G Otto
- 👤 E Franke
- 👤 H Donath
- 👤 H Beier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:01
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/02; B65D88/12; B65D88/122; B65D88/124; B65D88/126; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0961; Y10T292/0962; Y10T292/0967
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
217 words
A container comprising a removable roof, said roof having a frame member disposed adjacent an upper edge of a side wall of the container, said frame member having a push rod therein, saId push rod comprising a plurality of guide sections and a plurality of latching sections, said guide and latching sections being arranged alternately in end to end relationship, each latching section defining wedged shaped recesses, a plurality of L-shaped members on said upper edge of said side wall, said L-shaped members being insertable into corresponding ones of said recesses, means, disposed within the container, for moving said push rod longitudinally relatively to said upper edge of said side wall to latch the roof to the side wall by interengagement of said L-shaped members and said recesses, said means for moving said push rod comprising a hand lever, a shaft rotatable about an axis normal to said push rod, a gear wheel mounted on said shaft and turnable by means of said hand lever, a linkage including a connecting rod movable with said shaft, said linkage being connected to said push rod to shift the push rod longitudinally as the lever is turned, said frame member including resilient packing means cooperating with said upper edge of said side wall to seal the roof and side wall.
Claim 2
Dependent Claim
217 words
A container comprising a removable roof, said roof having a frame member disposed adjacent an upper edge of a side wall of the container, said frame member having a push rod therein, saId push rod comprising a plurality of guide sections and a plurality of latching sections, said guide and latching sections being arranged alternately in end to end relationship, each latching section defining wedged shaped recesses, a plurality of L-shaped members on said upper edge of said side wall, said L-shaped members being insertable into corresponding ones of said recesses, means, disposed within the container, for moving said push rod longitudinally relatively to said upper edge of said side wall to latch the roof to the side wall by interengagement of said L-shaped members and said recesses, said means for moving said push rod comprising a hand lever, a shaft rotatable about an axis normal to said push rod, a gear wheel mounted on said shaft and turnable by means of said hand lever, a linkage including a connecting rod movable with said shaft, said linkage being connected to said push rod to shift the push rod longitudinally as the lever is turned, said frame member including resilient packing means cooperating with said upper edge of said side wall to seal the roof and side wall.
Claim 3
Dependent Claim
41 words
A container as claimed in claim 1 wherein said hand lever is shiftable between operative and inoperative positions, said hand lever, in the operative position drivingly engaging said gear wheel and in said inoperative position being disengaged from said gear wheel.
Claim 4
Dependent Claim
46 words
A container as claimed in claim 1 wherein said linkage comprises a connecting rod secured to and rotatable with said shaft and a link connecting said connecting rod and said push rod, said link and connecting rod being separable to facilitate removal of said push rod.
Claim 5
Dependent Claim
56 words
A container as claimed in claim 1 wherein said recesses include a wedge surface which is subdivided into three surfaces of different inclinations to the longitudinal axis of the push rod one of said surfaces imparting to the L-shaped element a force normal to the axis of said push rod upon movement of said push rod.
Claim 6
Dependent Claim
47 words
A container as claimed in claim 1 wherein said frame member is generally U-shaped comprising a base and a pair of flanges the outermost flange being extended and said push rod being disposed in apertures in web plates extending transverse to the frame member between the flanges.
Claim 7
Dependent Claim
54 words
A container as claimed in claim 5 wherein there are an equal number of web plates to the number of L-shaped members on the upper edge of said side wall said web plates, in the latched position of said roof, being adjacent to said L-shaped members of said upper edge of said side wall.
References Cited (Backward Citations)
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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) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |