US3770135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shelving construction
Assignee: Airway Products Corp
•
Filing: 1971-10-01
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Granted: 1973-11-06
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Expires: 1991-10-01
Abstract
Abstract A shelving construction of the type wherein long rows of shelving are assembled from shelving units connected end-to-end. The shelving construction is provided with apparatus for connecting shelves to upright columns wherein the shelf supporting brackets are provided with extended lever arms and the columns are provided with embossments or lances for bearing against the extended lever arms for increasing the permissible moment of the shelf. The shelving unit is also provided with apparatus for securing and supporting the upright columns of the shelving units for connection on an end-to-end basis wherein the lower ends of the upright columns are provided with stiffening plates for increasing the rigidity thereof and the transverse supporting gussets are provided with members for aligning the end columns of adjacent shelving units and for supporting the aligned columns.
Inventors
- 👤 E Schild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:26
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/30; A47B57/40; A47B57/42; A47F; A47F5/00; A47F5/10; A47F5/101; A47F5/103
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
239 words
In a shelving construction having a vertical upright back with a front surface and a rear surface, the improvement comprising: end columns at the ends of the back each being of one piece and having a general U-shape with a straight flat planar vertical wall portion forming the base of the U with edges turned in extending parallel to the front and rear surfaces of the back and forming the sides of the U; vertically arranged uniformly spaced slots in each of the turned in edges for receiving tabs of shelf brackets with the slots positioned immediately adjacent to said base so that said tabs will extend in surface to surface engagement with the inner surface of the flat base and so that the lower supporting edge of each slot is immediately adjacent said base; a plurality of shelf brackets each having a plurality of tabs spaced in accordance with slots for selective insertion into the slots; and two vertical rows or lance members each formed by a pair of horizontal cuts with said lance members projecting inwardly of said base and spaced in accordance with the slots for simultaneous engagement of a plurality of the lower edges thereof by the plural tabs of each of the shelf brackets, the lower edge of each lance member being horizontally aligned with an upper portion of one of said slots and with the upper edge of the tab within the slot.
Claim 2
Dependent Claim
239 words
In a shelving construction having a vertical upright back with a front surface and a rear surface, the improvement comprising: end columns at the ends of the back each being of one piece and having a general U-shape with a straight flat planar vertical wall portion forming the base of the U with edges turned in extending parallel to the front and rear surfaces of the back and forming the sides of the U; vertically arranged uniformly spaced slots in each of the turned in edges for receiving tabs of shelf brackets with the slots positioned immediately adjacent to said base so that said tabs will extend in surface to surface engagement with the inner surface of the flat base and so that the lower supporting edge of each slot is immediately adjacent said base; a plurality of shelf brackets each having a plurality of tabs spaced in accordance with slots for selective insertion into the slots; and two vertical rows or lance members each formed by a pair of horizontal cuts with said lance members projecting inwardly of said base and spaced in accordance with the slots for simultaneous engagement of a plurality of the lower edges thereof by the plural tabs of each of the shelf brackets, the lower edge of each lance member being horizontally aligned with an upper portion of one of said slots and with the upper edge of the tab within the slot.
Claim 3
Dependent Claim
48 words
In a shelving construction having a vertical upright back with a front surface and a rear surface constructed in accordance with claim 1 wherein: each of the tabs has a notch in its lower edge adjacent the shelf bracket for lockingly seating over the base of the slot.
Claim 4
Dependent Claim
38 words
In a shelving construction having a vertical upright back with a front surface and a rear surface constructed in accordance with claim 1 wherein: said plurality of tabs are substantially uniformly spaced over the height of the bracket.
References Cited (Backward Citations)
US1059464A
Cited
US2909353A
Cited
US3010585A
Cited
US2958427A
Cited
FR1191323A
Cited
US2936147A
Cited
US2956688A
Cited
US3044632A
Cited
US3209709A
Cited
US3182945A
Cited
US3346226A
Cited
US3626870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |