Patent US4030612A successfully refreshed from Google Patents.
US4030612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pallet racks
Assignee: Individual
•
Filing: 1976-06-03
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Granted: 1977-06-21
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Expires: 1996-06-03
Abstract
Abstract A pallet rack is disclosed which is collapsible for storage and shipment, can be readily varied as to size, requires minimal hardware, with four corner uprights connected at the front and at the rear by pairs of beams at the same level, the uprights at each end being connected horizontally and diagonally by struts which are detachably connected at their ends by readily releasable locking mechanism which includes rods welded to the corner uprights and a slidable box cammed for application to a rod and with a holding bolt which may be readily tightened or loosened as desired.
Inventors
- 👤 Robert Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:05
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/30; F; F16; F16B; F16B12/00; F16B12/02; F16B12/10; F16B12/28; F16B12/32; Y; Y10; Y10T; Y10T403/00; Y10T403/30; Y10T403/46; Y10T403/59
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
109 words
A rack comprising front and rear corner uprights, parallel horizontal beams respectively connecting front uprights and parallel horizontal beams respectively connecting rear uprights, said corner uprights have fixed horizontal members in the interiors thereof at selected locations, struts of inverted block U-shape extending between front and rear uprights at each end, and means for detachably connecting the ends of said struts to said fixed horizontal members, said struts as part of said last mentioned means having slots are their ends for reception of said horizontal members, and slidable members interiorly disposed with respect to said struts and guided by said struts for retaining said horizontal members in said slots.
Claim 2
Dependent Claim
109 words
A rack comprising front and rear corner uprights, parallel horizontal beams respectively connecting front uprights and parallel horizontal beams respectively connecting rear uprights, said corner uprights have fixed horizontal members in the interiors thereof at selected locations, struts of inverted block U-shape extending between front and rear uprights at each end, and means for detachably connecting the ends of said struts to said fixed horizontal members, said struts as part of said last mentioned means having slots are their ends for reception of said horizontal members, and slidable members interiorly disposed with respect to said struts and guided by said struts for retaining said horizontal members in said slots.
Claim 3
Dependent Claim
20 words
A rack as defined in claim 1 in which certain of said horizontal beams are disposed at the same level.
Claim 4
Dependent Claim
16 words
A rack as defined in claim 1 in which certain of said struts are horizontally disposed.
Claim 5
Dependent Claim
18 words
A rack as defined in claim 1 in which at least one of said struts is diagonally disposed.
Claim 6
Dependent Claim
29 words
A rack as defined in claim 1 in which said slidable member has an end abutment for impact to move said slidable member to and from a locking position.
Claim 7
Dependent Claim
23 words
A rack as defined in claim 1 in which additional holding means is provided for retaining said slidable member in a locked position.
Claim 8
Dependent Claim
23 words
A rack as defined in claim 1 in which said slidable members each has a locking surface for engagement with said horizontal members.
Claim 9
Dependent Claim
27 words
A rack as defined in claim 7 in which said horizontal members are rods, and said locking surface is arcuate for engagement with one of said rods.
Claim 10
Dependent Claim
27 words
A rack as defined in claim 7 in which an inclined cam surface is provided for engagement with a horizontal member in advance of said locking surface.
Claim 11
Dependent Claim
23 words
A rack as defined in claim 1 in which said slidable members have side walls with surfaces for engagement with said horizontal members.
Claim 12
Dependent Claim
20 words
A rack as defined in claim 10 in which said surfaces include an inclined cam surface and a locking surface.
Claim 13
Dependent Claim
41 words
A rack as defined in claim 10 in which said surfaces include an inclined cam surface and a locking surface, and said slidable member has an end abutment for impact to move said slidable member to and from a locking position.
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) | 1980-06-20 | 1980-12-20 | 1981-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-20 | 1984-12-20 | 1985-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-20 | 1988-12-20 | 1989-06-21 | $7700.00 | Window Closed / Lapsed |