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US4595106A Expired / Lapsed US ⏱️ 0.0 years remaining

Carrier structure for a suspension conveyor system

Assignee: WF Logistik GmbH
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Filing: 1984-11-30
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Granted: 1986-06-17
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Expires: 2004-11-30
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Abstract

Abstract The invention relates to a carrier structure for a suspension conveyor system, provided with load-bearing shelves mounted for adjustment between a horizontal carrying position and a space-saving storage position. It is intended to improve a carrier structure of this type so that in the carrying configuration the goods to be conveyed are prevented from dropping down, while still permitting the carrier structure to be readily converted to a storage configuration in which it requires little space. A carrier structure satisfying these requirements comprises a rear wall, sidewalls hingedly connected thereto, load-bearing shelves hingedly connected to the rear wall so as to fold flat thereagainst, and adapted to be supported by the sidewalls in a horizontal position, and suspension means connected to upper portions of the sidewalls in spaced relationship to the rear wall and mounted at a variable spacing relative to one another and to a carrier bar so as to permit the angular position of the sidewalls relative to the rear wall to be varied between a parallel folded position and a substantially right-angle position. In the storage configuration the carrier structure thus forms a substantially flat package. In the carrying configuration, each load-bearing shelf is surrounded by walls on three sides whereby the goods to be conveyed are substantially prevented from dropping down. The folding operation from one configuration to the other is made possible in a simple manner by varying the distance between the suspension means. In a preferred embodiment this variation of distance is accomplished in a simple manner by shifting eyelets along a rod.

Inventors

  • 👤 Walter Kunze
  • 👤 Alfred Hess

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 23:03
CPC Classifications
B; B65; B65G; B65G9/00; B65G9/002

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 131 words
A rack comprising a carrier bar, a rear wall, a sidewall hingedly connected to each side of said rear wall, and carrier shelves hingedly connected to said rear wall and adapted to be supported by said sidewalls in horizontal position, characterized in that said rack is adapted to be suspended from said carrier bar for suspension conveyance by means of suspension members each connected to said carrier bar and engaging an upper portion of one of said sidewalls at a spaced position from said rear wall, the spacing between said suspension members on said carrier bar being adapted to be altered in such a manner that the angular position of said sidewalls relative to said rear wall is thereby altered between a folded position substantially parallel thereto and at least 90°.
Claim 2
Dependent Claim 131 words
A rack comprising a carrier bar, a rear wall, a sidewall hingedly connected to each side of said rear wall, and carrier shelves hingedly connected to said rear wall and adapted to be supported by said sidewalls in horizontal position, characterized in that said rack is adapted to be suspended from said carrier bar for suspension conveyance by means of suspension members each connected to said carrier bar and engaging an upper portion of one of said sidewalls at a spaced position from said rear wall, the spacing between said suspension members on said carrier bar being adapted to be altered in such a manner that the angular position of said sidewalls relative to said rear wall is thereby altered between a folded position substantially parallel thereto and at least 90°.
Claim 3
Dependent Claim 29 words
The rack of claim 1 wherein said suspension members each include an eyelet secured to a sidewall and slidably displaceable along a horizontal rod secured to said carrier bar.
Claim 4
Dependent Claim 26 words
The rack of claim 2 wherein each sidewall includes a strengthening strip extending longitudinally and parallel to lateral edges thereof and having said eyelet secured thereto.
Claim 5
Dependent Claim 12 words
The rack of claim 3 wherein said sidewalls are of wire-grid construction.
Claim 6
Dependent Claim 13 words
The rack of claim 4 wherein said carrier shelves are of wire-grid construction.
Claim 7
Dependent Claim 33 words
The rack of any one of claims 1 to 5 wherein means are provided for securing said sidewalls to said rear wall when said sidewalls are positioned substantially parallel to said rear wall.
Claim 8
Dependent Claim 50 words
The rack of any one of claims 1 to 5 wherein said carrier shelves are provided with clamps adapted to be pivoted laterally outwardly for support on said sidewalls and to lock said shelves to said sidewalls when said sidewalls are positioned at least 90° relative to said rear wall.
Claim 9
Dependent Claim 24 words
The rack of any one of claims 1 to 5 wherein said carrier bar is separably connected to conveyor means for conveying said rack.

References Cited (Backward Citations)

US510427A Cited
GB189414247A Cited
US722760A Cited
US915618A Cited
US2440513A Cited
US2643777A Cited
US2680522A Cited
US3184273A Cited
US3252434A Cited
US4045043A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-06-16 1989-12-16 1990-06-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-06-16 1993-12-16 1994-06-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-06-16 1997-12-16 1998-06-17 $7700.00 Window Closed / Lapsed

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