US4492169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable cantilevered shelving
Assignee: S B F CORP
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Filing: 1982-04-05
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Granted: 1985-01-08
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Expires: 2002-04-05
Abstract
Abstract An adjustable cantilevered shelf is disclosed comprising upright supports and a shelf with a pivotally engaged bracket for supporting the shelf on the supports from either above or below. The shelf and bracket are attachable to keyhole slots in the upright supports. The relative positions of the shelf and the bracket in the keyhole slots adjusts the angle of inclination of the shelf.
Inventors
- 👤 Warren O. Ware
- 👤 Gary M. Borst
- 👤 Ronald E. Abitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:47
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/30; A47B57/48; A47B57/50; A47B57/52; A47B57/04; A47B57/045
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
131 words
An adjustable cantilevered shelving comprising: upright support means including a front member and a side member; a shelf including a U-shaped top frame and U-shaped bottom frame, said U-shaped top frame and U-shaped bottom frame being secured together; means extending from a rear edge of said shelf for adjustably mounting said shelf to said upright support means at a chosen vertical position; a U-shaped bracket, including an axial portion and two arms, rotatably mounted between said U-shaped top frame and said U-shaped bottom frame of said shelf, whereby said arms pivot about the axis of said axial portion into positions above or below said shelf; and means for detachably engaging said arms of said U-shaped bracket to said front member of said upright support means to provide support for said shelf.
Claim 2
Dependent Claim
131 words
An adjustable cantilevered shelving comprising: upright support means including a front member and a side member; a shelf including a U-shaped top frame and U-shaped bottom frame, said U-shaped top frame and U-shaped bottom frame being secured together; means extending from a rear edge of said shelf for adjustably mounting said shelf to said upright support means at a chosen vertical position; a U-shaped bracket, including an axial portion and two arms, rotatably mounted between said U-shaped top frame and said U-shaped bottom frame of said shelf, whereby said arms pivot about the axis of said axial portion into positions above or below said shelf; and means for detachably engaging said arms of said U-shaped bracket to said front member of said upright support means to provide support for said shelf.
Claim 3
Dependent Claim
36 words
The adjustable shelf of claim 1 wherein said means extending from the rear portion of said shelf for mounting said shelf and said means for detachably engaging said arms of said U-shaped bracket are solid balls.
Claim 4
Dependent Claim
34 words
The adjustable shelf of claim 2 wherein: said solid balls extend from the rear portion of said U-shaped top frame; and said U-shaped top and U-shaped bottom frame are secured together by spacer means.
Claim 5
Dependent Claim
23 words
The adjustable shelf of claim 3 wherein said spacer means define apertures on opposing sides of said shelf which receive said U-shaped bracket.
Claim 6
Dependent Claim
68 words
The apparatus of claim 4 wherein: said front member of said upright support includes a plurality of keyhole slots for receiving said solid balls of said shelf and said arms; and said keyhole slots are so constructive arranged that by positioning said solid balls and said U-shaped bracket in a lower keyhole slot or an upper keyhole slot changes the slope of said shelf by approximately 71/2 degrees.
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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) | 1988-01-08 | 1988-07-09 | 1989-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-08 | 1992-07-09 | 1993-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-08 | 1996-07-09 | 1997-01-08 | $7700.00 | Window Closed / Lapsed |