Patent US4314648A successfully refreshed from Google Patents.
US4314648A
Expired / Lapsed
US
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Gravity feed shelf
Assignee: Mead Corp
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Filing: 1979-11-30
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Granted: 1982-02-09
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Expires: 1999-11-30
Abstract
Abstract A gravity feed shelf for use as a component of a display device for primary packages such as bottled soft drinks in retail outlets includes a substantially rigid support frame which is forwardly and downwardly inclined and which includes front and rear support surfaces and an intermediate support surface therebetween, the support surfaces being disposed in an imaginary downwardly and forwardly inclined straight line and with elongated channel shaped chutes of extruded plastic material mounted in downwardly inclined side-by-side relation on the frame so that rows of articles such as bottles may be mounted in each chute whereby removal of the front bottle in a chute allows the remaining bottles to slide downwardly so as to render the bottles more readily accessible at the front of the shelf. When unloaded each plastic chute is bowed upwardly and when loaded the chute is straightened so that its ends are disposed in contact with the front and rear support surfaces of the support frame and so that its intermediate portion is in contact with the intermediate support surface. This feature results in spring-like action when the front bottle in a row is removed whereby a slight upward movement of the chute occurs due to removal of the front bottle which results in jostling of the remaining bottles so that any friction which would tend to inhibit the downward and forward movement of the bottles is overcome by the jostling action of the chute.
Inventors
- 👤 William S. Spamer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:30
CPC Classifications
A; A47; A47F; A47F1/00; A47F1/04; A47F1/12
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
159 words
A gravity feed shelf comprising a substantially rigid support frame which is forwardly and downwardly inclined, front and rear support surfaces formed on the front and rear portions of said frame respectively, an intermediate support surface forming a part of said frame and disposed between said front and rear support surfaces and in substantial coincidence with an imaginary straight line interconnecting said front and rear support surfaces, an elongated chute mounted on said support frame with its ends in contact with said front and rear support surfaces so that a row of articles disposed on said chute is automatically fed in the direction of inclination of said support frame upon removal of the leading article in the row, said chute being formed of semi-rigid yieldable material and being upwardly bowed somewhat in the absence of said row of articles and being substantially flat and with a part intermediate its ends in contact with said intermediate support surface when loaded.
Claim 2
Dependent Claim
159 words
A gravity feed shelf comprising a substantially rigid support frame which is forwardly and downwardly inclined, front and rear support surfaces formed on the front and rear portions of said frame respectively, an intermediate support surface forming a part of said frame and disposed between said front and rear support surfaces and in substantial coincidence with an imaginary straight line interconnecting said front and rear support surfaces, an elongated chute mounted on said support frame with its ends in contact with said front and rear support surfaces so that a row of articles disposed on said chute is automatically fed in the direction of inclination of said support frame upon removal of the leading article in the row, said chute being formed of semi-rigid yieldable material and being upwardly bowed somewhat in the absence of said row of articles and being substantially flat and with a part intermediate its ends in contact with said intermediate support surface when loaded.
Claim 3
Dependent Claim
14 words
A shelf according to claim 1 wherein said chute is formed of polyvinyl chloride.
Claim 4
Dependent Claim
18 words
A shelf according to claim 1 wherein said chute is formed of high impact polystyrene impregnated with silicone.
Claim 5
Dependent Claim
31 words
A shelf according to claim 1 wherein said chute comprises a channel having a web panel and a pair of flange panels integrally formed along the edges of said web panel.
Claim 6
Dependent Claim
20 words
A shelf according to claim 4 wherein a medial trough is formed in the upper surface of said web panel.
Claim 7
Dependent Claim
27 words
A shelf according to claim 5 wherein a plurality of ribs are formed in the upper surface of said web panel on each side of said trough.
Claim 8
Dependent Claim
27 words
A shelf according to claim 4 wherein a pair of guide strips are secured to the inner surfaces of said flange panels remote from said web panel.
Claim 9
Dependent Claim
17 words
A shelf according to claim 1 wherein said chute is secured to one of said support surfaces.
Claim 10
Dependent Claim
16 words
A shelf according to claim 1 wherein said chute is secured to said front support surface.
Claim 11
Dependent Claim
33 words
A shelf according to claim 1 wherein a plurality of elongated chutes are mounted on said frame in side by side relation so as to accommodate a plurality of rows of articles respectively.
Claim 12
Dependent Claim
101 words
In a gravity feed shelf assembly, an extruded chute comprising a web panel, a pair of flange panels integral with the side edges of said web panel and forming therewith a substantially channel shaped structure, a plurality of substantially parallel ribs of substantially triangular cross-sectional configuration and formed on said web panel and between said flange panels, a pair of guide strips formed integrally with said flange panels along the inner surfaces thereof and remote from said web panel, and a medial trough formed in said web panel and between said flange panels, said chute being of an upwardly bowed configuration.
Claim 13
Dependent Claim
101 words
In a gravity feed shelf assembly, an extruded chute comprising a web panel, a pair of flange panels integral with the side edges of said web panel and forming therewith a substantially channel shaped structure, a plurality of substantially parallel ribs of substantially triangular cross-sectional configuration and formed on said web panel and between said flange panels, a pair of guide strips formed integrally with said flange panels along the inner surfaces thereof and remote from said web panel, and a medial trough formed in said web panel and between said flange panels, said chute being of an upwardly bowed configuration.
Claim 14
Dependent Claim
10 words
A chute according to claim 11 formed of polyvinyl chloride.
Claim 15
Dependent Claim
14 words
A chute according to claim 11 formed of high impact polystyrene impregnated with silicone.
Claim 16
Dependent Claim
36 words
A chute according to claim 11 wherein said chute is approximately 21-24 inches in length and the midportion thereof is spaced approximately 1/4 from an imaginary line intersecting the ends of said chute and extending therebetween.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-02-08 | 1985-08-10 | 1986-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-02-08 | 1989-08-10 | 1990-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-02-08 | 1993-08-10 | 1994-02-09 | $7700.00 | Window Closed / Lapsed |