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US3669307A Expired / Lapsed US ⏱️ 0.0 years remaining

Plastic cup dispenser

Assignee: VANGUARD-MIDLAND-ROSS Inc
•
Filing: 1970-11-06
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Granted: 1972-06-13
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Expires: 1990-11-06
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Abstract

Abstract A plastic cup dispenser includes a housing to receive a stack of plastic cups, and a resilient plastic strip which is mounted within the housing above, and in encircling relation to the bottom opening of the housing so that projections extending inwardly from the strip in a circular array and having a special shape will be engaged by rims of the cups at the bottom of the stack to ensure the one-at-a-time withdrawal of the cups through that bottom opening. Each projection has an inwardly convex surface of substantial vertical extent formed with a central recess to achieve the desired one-at-a-time withdrawal, and each projection is preferably in the form of a bowed ribbon joined to the remainder of the strip only at its upper and lower ends.

Inventors

  • 👤 Adolph Pfund
  • 👤 Morton Sobel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 14:16
CPC Classifications
A; A47; A47F; A47F1/00; A47F1/04; A47F1/08; A47F1/085

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 247 words
A dispenser for plastic cups comprising a housing for accommodating a substantially vertical stack of rimmed plastic cups and having an opening at the bottom of the housing to permit the passage therethrough of the cups, and a resiliently flexible plastic strip mounted within said housing above, and in encircling relation to said opening, said strip having a plurality of projections extending therefrom so as to be directed radially inward in a circular array when said strip is mounted within said housing, each of said projections being in the form of an inwardly bowed ribbon that defines an arcuate inner surface of substantial vertical extent which is inwardly convex and which is centrally indented to define an inwardly opening recess intermediate its upper and lower ends, each said bowed ribbon being connected to the remainder of said strip only at said upper and lower ends of said ribbon so as to be free to flex outwardly in response to radially outward pressure of a cup rim thereagainst, said bowed ribbons extending sufficiently from the remainder of the strip to be engaged, at their arcuate inner surfaces, by the rims of the cups as the latter are withdrawn downwardly through said opening so that, as the lowermost cup in the stack is withdrawn, downward movement of the next Cup thereabove is resisted by the engagement of its rim with said arcuate surfaces above the respective recesses and is then arrested by engagement of its rim in said recesses.
Claim 2
Dependent Claim 247 words
A dispenser for plastic cups comprising a housing for accommodating a substantially vertical stack of rimmed plastic cups and having an opening at the bottom of the housing to permit the passage therethrough of the cups, and a resiliently flexible plastic strip mounted within said housing above, and in encircling relation to said opening, said strip having a plurality of projections extending therefrom so as to be directed radially inward in a circular array when said strip is mounted within said housing, each of said projections being in the form of an inwardly bowed ribbon that defines an arcuate inner surface of substantial vertical extent which is inwardly convex and which is centrally indented to define an inwardly opening recess intermediate its upper and lower ends, each said bowed ribbon being connected to the remainder of said strip only at said upper and lower ends of said ribbon so as to be free to flex outwardly in response to radially outward pressure of a cup rim thereagainst, said bowed ribbons extending sufficiently from the remainder of the strip to be engaged, at their arcuate inner surfaces, by the rims of the cups as the latter are withdrawn downwardly through said opening so that, as the lowermost cup in the stack is withdrawn, downward movement of the next Cup thereabove is resisted by the engagement of its rim with said arcuate surfaces above the respective recesses and is then arrested by engagement of its rim in said recesses.
Claim 3
Dependent Claim 24 words
A dispenser for plastic cups according to claim 1, in which said strip has spaced apart slits separating adjacent bowed ribbons of the strip.
Claim 4
Dependent Claim 28 words
A dispenser for plastic cups according to claim 1, in which said strip is molded straight and curved to have its ends abut upon mounting within said housing.
Claim 5
Dependent Claim 88 words
A dispenser for plastic cups according to claim 3, in which said housing includes a generally cylindrical body and a ring secured on the lower end of said body to define said opening at the bottom of the housing, said ring has an annular, upwardly opening groove adjacent its inner surface retaining the lower edge of said strip, and said body has a downwardly facing annular shoulder in its inner surface engaging the upper edge of said strip for preventing upward disengagement of the strip from said groove.

References Cited (Backward Citations)

US1264950A Cited
US1191995A Cited
US1346792A Cited
US2092745A Cited
US3342375A Cited
US3409183A Cited
US3435988A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-06-13 1975-12-13 1976-06-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-06-13 1979-12-13 1980-06-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-06-13 1983-12-13 1984-06-13 $7700.00 Window Closed / Lapsed

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