US3869119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Playground amusement device
Assignee: Individual
•
Filing: 1974-06-17
•
Granted: 1975-03-04
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Expires: 1994-06-17
Abstract
Abstract A playground amusement device in which a squirrel cage like rotatable assembly is rotated by a first child walking or running within the interior thereof and the assembly including an externally positioned, pivotally supported seat that holds at least one second child. As the assembly is actuated by the first child, the second seat supported child is subjected to a ride in a vertical circular path. The vertical supporting portion of the cage serves not only as a mounting for a cylindrical horizontal shell that has an interior surface on which the first child stands, but also as a support for a pivotally disposed seat in which the second child is disposed.
Inventors
- 👤 Louise V Oxley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:19
CPC Classifications
A; A63; A63B; A63B19/00; A63B19/04; A63B2208/00; A63B2208/12
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
334 words
A playground amusement device for children that includes: a. a rigid cylindrical shell that defines a curved interior surface, with said shell having first and second open ends; b. a tubular sleeve concentrically disposed in said shell and located on the axis of rotation thereof, said sleeve having first and second ends; c. first means that rigidly connect said first end of said shell to said sleeve, with said first means obstructing entry into the interior of said shell through said first open end thereof; d. at least one horizontal shaft on which said sleeve is rotatably mounted; e. second means for rigidly supporting said shaft at a fixed elevation above the surface of said playground to permit said shell, sleeve and first means to rotate as an integral unit after a first child enters the interior of said shell through said second open end thereof and thereafter walks or runs relative to an upwardly inclined portion of said interior surface of said shell; f. a seat for at least one second child adjacently positioned to said first means and outwardly disposed therefrom; g. third means for pivotally supporting said seat from said first means, with said third means so positioned relative to said seat and first means that said third means is at all times positioned above the center of gravity of the combined weight of said seat and second child whereby the position of said second child is not tilted as said shell rotates, and said third means so pivotally supporting said seat from said first means that no portion of said seat or second child will be brought into pressure contact with said sleeve or second means as said shell, sleeve and first means are rotated as a unit by said first child; and h. fourth stationary means disposed in said shell that may be grasped by said first child when walking or running relative to said shell to maintain his balance, said fourth means rigidly secured to said second means.
Claim 2
Dependent Claim
334 words
A playground amusement device for children that includes: a. a rigid cylindrical shell that defines a curved interior surface, with said shell having first and second open ends; b. a tubular sleeve concentrically disposed in said shell and located on the axis of rotation thereof, said sleeve having first and second ends; c. first means that rigidly connect said first end of said shell to said sleeve, with said first means obstructing entry into the interior of said shell through said first open end thereof; d. at least one horizontal shaft on which said sleeve is rotatably mounted; e. second means for rigidly supporting said shaft at a fixed elevation above the surface of said playground to permit said shell, sleeve and first means to rotate as an integral unit after a first child enters the interior of said shell through said second open end thereof and thereafter walks or runs relative to an upwardly inclined portion of said interior surface of said shell; f. a seat for at least one second child adjacently positioned to said first means and outwardly disposed therefrom; g. third means for pivotally supporting said seat from said first means, with said third means so positioned relative to said seat and first means that said third means is at all times positioned above the center of gravity of the combined weight of said seat and second child whereby the position of said second child is not tilted as said shell rotates, and said third means so pivotally supporting said seat from said first means that no portion of said seat or second child will be brought into pressure contact with said sleeve or second means as said shell, sleeve and first means are rotated as a unit by said first child; and h. fourth stationary means disposed in said shell that may be grasped by said first child when walking or running relative to said shell to maintain his balance, said fourth means rigidly secured to said second means.
Claim 3
Dependent Claim
44 words
A playground amusement device as defined in claim 1 that in addition incLudes: i. friction surface defining means secured to said interior surface of said shell to prevent said first child slipping when walking or running relative to said interior surface of said shell.
Claim 4
Dependent Claim
33 words
A playground amusement device as defined in claim 2 in which said friction surface defining means are a plurality of transverse, circumferentially spaced foot bars secured to said interior surface of said shell.
Claim 5
Dependent Claim
35 words
A playground amusement device as defined in claim 1 in which said first means is a flat rigid perforated member that permit said first and second child to see one another as said shell rotates.
Claim 6
Dependent Claim
74 words
A playground amusement device as defined in claim 1 in which said first means is a plurality of rigid spokes that extend out from said sleeve to said shell and a sheet of meshed steel wire secured to said spokes and extending from said sleeve to said shell, said meshed steel wire having a plurality of openings therein to permit said first child and second child to see one another as said device operates.
Claim 7
Dependent Claim
55 words
A playground amusement device as defined in claim 1 in which said second means is at least one rigid vertically disposed leg that extends down from one end of said shaft, and a body of concrete buried in the ground, and said leg having a lower end portion thereof embedded in said body of concrete.
Claim 8
Dependent Claim
63 words
A playground amusement device as defined in claim 1 in which said second means are two spaced, rigid inverted L-shaped members in which the upper portions thereof define two coaxially aligned, spaced, horizontal shafts that rotatably support said sleeve, and two spaced bodies of concrete buried in the ground, and said members having the lower portions thereof embedded in said bodies of concrete.
Claim 9
Dependent Claim
42 words
A playground amusement device as defined in claim 1 in which said third means includes a horizontal stub shaft that extends outwardly from said first means and a rigid horizontal tube that extends from said seat and rotatably engages said stub shaft.
Claim 10
Dependent Claim
72 words
A playground amusement device as defined in claim 1 in which said fourth means is a rigid bar that has first and second ends, said first end of said bar secured to said second means, and the portion of said bar adjacent said second end disposed within said shell and serving as a handle to be grasped by said first child when the latter is walking or running relative to said shell.
Claim 11
Dependent Claim
53 words
A playground amusement device as defined in claim 9 in which the portion of said bar that constitutes said handle is spaced a substantial distance from said sleeve to permit said first child to occupy a position between said handle and sleeve, with said shell having an internal diameter of substantially 7 feet.
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) | 1978-03-03 | 1978-09-02 | 1979-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-03 | 1982-09-02 | 1983-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-03 | 1986-09-02 | 1987-03-04 | $7700.00 | Window Closed / Lapsed |