US3686790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twist lever toy
Assignee: Individual
•
Filing: 1971-02-19
•
Granted: 1972-08-29
•
Expires: 1991-02-19
Abstract
Abstract A mobile toy of the type designed to move over a surface or through the air and comprising an energy storing rotary element in the form of a flywheel which, when set into rotational motion, provides energy to propelling means thereby causing movement of the toy. The flywheel includes a hub with a centrally located channel designed to movably engage a driving means in the form of an elongated drive shaft having a convoluted outer surface. Linear movement of the shaft within the channel relative to the flywheel causes rotation of the flywheel due to the correspondingly shaped convoluted configurations of the exterior surface of the shaft at the surface of the channel.
Inventors
- 👤 Emanuel A Winston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:15
CPC Classifications
A; A63; A63H; A63H29/00; A63H29/24; A63H29/20
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
113 words
A toy comprising a body, a rotary element rotatably mounted on said body, said rotary element comprising a flywheel including a hub having a substantially centrally located channel; a driving member having a substantially convoluted exterior surface and movably arranged on the interior of said channel such that said convoluted surface of said driving member movably engages the surface of said channel, whereby movement of said driving member relative to said rotary element causes the rotation of said rotary element; propelling means mounted on said body to propel said toy, means to interconnect said rotary element and said propelling means such that rotation of said rotary element causes movement of said propelling means.
Claim 2
Dependent Claim
113 words
A toy comprising a body, a rotary element rotatably mounted on said body, said rotary element comprising a flywheel including a hub having a substantially centrally located channel; a driving member having a substantially convoluted exterior surface and movably arranged on the interior of said channel such that said convoluted surface of said driving member movably engages the surface of said channel, whereby movement of said driving member relative to said rotary element causes the rotation of said rotary element; propelling means mounted on said body to propel said toy, means to interconnect said rotary element and said propelling means such that rotation of said rotary element causes movement of said propelling means.
Claim 3
Dependent Claim
18 words
A toy as in claim 1 wherein said flywheel includes means for changing the mass of said flywheel.
Claim 4
Dependent Claim
28 words
A toy as in claim 12 wherein said changing means comprises weighted elements removably attached to said flywheel such that the weight of said flywheel may be varied.
Claim 5
Dependent Claim
26 words
A toy as in claim 3 wherein said each of said weighted elements each comprise a disc attached in a substantially stacked array to said hub.
Claim 6
Dependent Claim
39 words
A toy as in claim 1 wherein said driving member comprises an elongated shaft having a substantially convoluted surface extending along the length thereof; said channel including a surface configured to movably engage said convoluted surface of said shaft.
Claim 7
Dependent Claim
37 words
A toy as in claim 5 wherein the surface of said channel has a substantially convoluted configuration corresponding to the configuration of said driving means such that relative movement between said surfaces causes rotation of said flywheel.
Claim 8
Dependent Claim
39 words
A toy as in claim 1 wherein said driving means comprises an elongated shaft arranged on the interior of said channel to move substantially perpendicular to said rotary element and co-linear to the longitudinal axis of said driving means.
Claim 9
Dependent Claim
29 words
A toy as in claim 7 wherein said driving means is arranged on the interior of said channel to move in either direction co-linear to its own longitudinal axis.
Claim 10
Dependent Claim
30 words
A toy as in claim 1 further comprising guide means mounted adjacent to said hub so as to guide the movement of said driving means relative to said rotary element.
Claim 11
Dependent Claim
28 words
A toy as in claim 9 wherein said guide means comprises sleeve means mounted adjacent to said hub substantially co-linear relation to the longitudinal axis of said channel.
References Cited (Backward Citations)
US1914438A
Cited
US1985716A
Cited
US1952547A
Cited
US2035531A
Cited
US2645055A
Cited
US2873553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |