Patent US4239122A successfully refreshed from Google Patents.
US4239122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced storage rack
Assignee: Unarco Material Handling Inc
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Filing: 1978-03-02
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Granted: 1980-12-16
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Expires: 1998-03-02
Abstract
Abstract A reinforced storage rack for substantially resisting forklift impact, bending and deflection. The reinforced rack has a plurality of composite post assemblies each including a metal post and an impact-resistant wooden core. Desirably, the reinforced rack also has a plurality of generally horizontal composite beam assemblies each of which include a metal beam and a deflection-resistant wooden core.
Inventors
- 👤 Herbert H. Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:59
CPC Classifications
B; B65; B65G; B65G1/00; B65G1/02; A; A47; A47B; A47B96/00; A47B96/14; A47B96/145; B65G2207/00; B65G2207/40
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
177 words
A reinforced storage rack, comprising: a plurality of composite generally upright post assemblies spaced from each other in general vertical parallel relationship; a plurality of composite generally horizontal beam assemblies spaced from each other in general horizontal parallel relationship; connector means for connecting said composite beam assemblies to said composite post assemblies; each of said composite post assemblies including a generally upright tubular metal post having an interior wall defining a core-receiving opening; each of said composite beam assemblies including an elongated generally horizontal tubular metal support beam having an interior wall defining a core-receiving opening; and at least one of said core-receiving openings having an impact and deflection resistant, substantially solid interior wooden core fixedly disposed therein which substantially spans across said core-receiving opening; said impact and deflection resistant interior wooden core enhancing the strength and load-carrying capacity of said reinforced storage rack in an amount substantially greater than the strength of the metal support beams and posts alone and providing a reinforced storage rack for substantially resisting forklift impact, bending and excessive deflection under load.
Claim 2
Dependent Claim
177 words
A reinforced storage rack, comprising: a plurality of composite generally upright post assemblies spaced from each other in general vertical parallel relationship; a plurality of composite generally horizontal beam assemblies spaced from each other in general horizontal parallel relationship; connector means for connecting said composite beam assemblies to said composite post assemblies; each of said composite post assemblies including a generally upright tubular metal post having an interior wall defining a core-receiving opening; each of said composite beam assemblies including an elongated generally horizontal tubular metal support beam having an interior wall defining a core-receiving opening; and at least one of said core-receiving openings having an impact and deflection resistant, substantially solid interior wooden core fixedly disposed therein which substantially spans across said core-receiving opening; said impact and deflection resistant interior wooden core enhancing the strength and load-carrying capacity of said reinforced storage rack in an amount substantially greater than the strength of the metal support beams and posts alone and providing a reinforced storage rack for substantially resisting forklift impact, bending and excessive deflection under load.
Claim 3
Dependent Claim
37 words
A reinforced storage rack in accordance with claim 1 wherein said impact and deflection resistant, solid interior wooden core is securely press-fit into said interior wall that securely receives said impact and deflection resistant interior wooden core.
Claim 4
Dependent Claim
23 words
A reinforced storage rack in accordance with claim 1 wherein said impact and deflection resistant, solid interior wooden core consists substantially of hardwood.
Claim 5
Dependent Claim
33 words
A reinforced storage rack in accordance with claim 3 wherein said hardwood impact and deflection resistant, solid interior core is selected from the class of hardwoods consisting of oak, elm, gum and tupelo.
Claim 6
Dependent Claim
21 words
A composite load-carrying assembly in accordance with claim 1 wherein said tubular support member at least partly circumscribes said core-receiving opening.
Claim 7
Dependent Claim
43 words
A reinforced storage rack in accordance with claim 1 wherein said upright tubular metal post includes an open-sided metal channel, and said impact and deflection resistant, solid interior wooden core is snugly disposed within said open-sided metal channel of said reinforced storage rack.
Claim 8
Dependent Claim
45 words
A reinforced storage rack in accordance with claim 1 wherein said upright tubular metal post is imperforate and completely circumscribes said core-receiving opening, and said impact and deflection resistant, solid interior wooden core is snugly disposed within said imperforate post of said reinforced storage rack.
Claim 9
Dependent Claim
40 words
A reinforced storage rack in accordance with claim 7 wherein: said upright metal post has rectangular cross-sectional configuration, and said impact and deflection resistant, solid interior wooden core is securely press-fit into said metal post of said reinforced storage rack.
Claim 10
Dependent Claim
39 words
A reinforced storage rack in accordance with claim 1 wherein said horizontal tubular metal beam is substantially imperforate, and said impact and deflection resistant, solid interior wooden core is snugly disposed within said beam of said reinforced storage rack.
Claim 11
Dependent Claim
50 words
A reinforced storage rack in accordance with claim 9 wherein: said horizontal tubular metal beam has rectangular cross-sectional configuration, and said impact and deflection resistant, solid interior wooden core abuts against and is press fit into said interior wall of said horizontal tubular metal beam of said reinforced storage rack.
Claim 12
Dependent Claim
47 words
A reinforced storage rack in accordance with claim 10 wherein said impact and deflection resistant, solid interior wooden core extends about two-thirds the length of said horizontal tubular metal beam of said reinforced storage rack generally about the vertical center line of said horizontal tubular metal beam.
Claim 13
Dependent Claim
31 words
A reinforced storage rack in accordance with claim 10 wherein said impact and deflection resistant, solid interior wooden core extends substantially along the entire length of the horizontal tubular metal beam.
Claim 14
Dependent Claim
17 words
A composite load-carrying assembly in accordance with claim 1 wherein said wooden core consists substantially of hardwood.
Claim 15
Dependent Claim
27 words
A composite load-carrying assembly in accordance with claim 13 wherein said hardwood core is selected from the class of hardwoods consisting of oak, elm, gum and tupelo.
Claim 16
Dependent Claim
199 words
A reinforced storage rack, comprising: a plurality of composite upright post assemblies; a plurality of composite generally horizontal beam assemblies; connector means for connecting said composite beam assemblies to said composite post assemblies; each of said composite post assemblies including a generally tubular elongated metal post having an interior wall defining a core-receiving opening, and an impact-resistant interior hardwood core disposed within and substantially spanning across said core-receiving opening, said impact-resistant hardwood core extending from a position in proximity to the ground to a position above one of said composite beam assemblies, said impact-resistant hardwood core being fixedly secured to said interior wall and cooperating with said post for substantially resisting forklift impact and bending; and each of said composite beam assemblies including a generally tubular elongated metal beam having an interior wall defining a core-receiving opening, and a deflection-resistant interior hardwood core disposed within and substantially spanning across said core-receiving opening of said beam, said deflection-resistant hardwood core extending at least two-thirds the length of said beam and fixedly secured to the beam's interior wall for substantially preventing the beam from deflecting excessively under load and interfering with the load-carrying capacity of the storage space below said beam.
Claim 17
Dependent Claim
199 words
A reinforced storage rack, comprising: a plurality of composite upright post assemblies; a plurality of composite generally horizontal beam assemblies; connector means for connecting said composite beam assemblies to said composite post assemblies; each of said composite post assemblies including a generally tubular elongated metal post having an interior wall defining a core-receiving opening, and an impact-resistant interior hardwood core disposed within and substantially spanning across said core-receiving opening, said impact-resistant hardwood core extending from a position in proximity to the ground to a position above one of said composite beam assemblies, said impact-resistant hardwood core being fixedly secured to said interior wall and cooperating with said post for substantially resisting forklift impact and bending; and each of said composite beam assemblies including a generally tubular elongated metal beam having an interior wall defining a core-receiving opening, and a deflection-resistant interior hardwood core disposed within and substantially spanning across said core-receiving opening of said beam, said deflection-resistant hardwood core extending at least two-thirds the length of said beam and fixedly secured to the beam's interior wall for substantially preventing the beam from deflecting excessively under load and interfering with the load-carrying capacity of the storage space below said beam.
Claim 18
Dependent Claim
51 words
A reinforced storage rack in accordance with claim 15 wherein: said post is imperforate and has a rectangular cross-sectional configuration, and said impact-resistant core is press fit into said post, and said beam is imperforate and has a rectangular cross-sectional configuration, and said deflection-resistant core is press fit into said beam.
Claim 19
Dependent Claim
32 words
A reinforced storage rack in accordance with claim 15 wherein said impact-resistant core and said deflection-resistant core are each selected from the class of hardwoods consisting of oak, elm, gum and tupelo.
Claim 20
Dependent Claim
22 words
A reinforced storage rack in accordance with claim 15 wherein said deflection-resistant core extends substantially along the entire length of the beam.
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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) | 1983-12-16 | 1984-06-16 | 1984-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-12-16 | 1988-06-16 | 1988-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-12-16 | 1992-06-16 | 1992-12-16 | $7700.00 | Window Closed / Lapsed |