US3590523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy vehicle with track drive mechanism having an internal power source
Assignee: Individual
•
Filing: 1968-07-02
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Granted: 1971-07-06
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Expires: 1988-07-02
Abstract
Abstract This application discloses a track drive mechanism which may be utilized for toys or the like. All of the necessary parts of the mechanism are physically mounted inside of an endless track. The mechanism is detachably secured to any one of a wide variety of body designs to provide a high-velocity track driven device.
Inventors
- 👤 Mathias H Riesgraf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:33
CPC Classifications
A; A63; A63H; A63H17/00; A63H17/14
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
136 words
A toy track drive mechanism comprising: a drive chassis; a pair of spaced-apart roller cups rotatably mounted on said drive chassis; power source means mounted on said drive chassis between said roller cups; electric motor means on said chassis between said roller cups; conductor means connecting said power source to said motor means so as to provide current thereto; gear means mounted on said drive chassis and connecting said motor means to one of said pair of roller cups; and track means circumscribing said pair of roller cups, said power source, said motor means, said conductor means and said gear means; and said power source being effective to cause said motor means and said gear means to rotate said one of said pair of roller cups and move said track means relative to said drive chassis.
Claim 2
Dependent Claim
136 words
A toy track drive mechanism comprising: a drive chassis; a pair of spaced-apart roller cups rotatably mounted on said drive chassis; power source means mounted on said drive chassis between said roller cups; electric motor means on said chassis between said roller cups; conductor means connecting said power source to said motor means so as to provide current thereto; gear means mounted on said drive chassis and connecting said motor means to one of said pair of roller cups; and track means circumscribing said pair of roller cups, said power source, said motor means, said conductor means and said gear means; and said power source being effective to cause said motor means and said gear means to rotate said one of said pair of roller cups and move said track means relative to said drive chassis.
Claim 3
Dependent Claim
23 words
The toy track drive mechanism of claim 1 wherein said pair of roller cups are crowned to provide track alignment at high velocity.
Claim 4
Dependent Claim
25 words
The toy traCk drive mechanism of claim 2 wherein said power source means includes a switch member for regulating the current to said motor means.
Claim 5
Dependent Claim
19 words
The toy track drive mechanism of claim 3 wherein said power source comprises at least one dry cell battery.
Claim 6
Dependent Claim
39 words
The toy track drive mechanism of claim 4 further including adjustment means mounted on said drive chassis for varying the position of one of said pair of roller cups relative to the other of said pair of roller cups.
Claim 7
Dependent Claim
25 words
The toy track drive mechanism of claim 5 further including body means and mounting means for detachably securing said body means to said drive chassis.
Claim 8
Dependent Claim
19 words
The toy track drive mechanism of claim 6 further including steering means and ski means attached to said body.
Claim 9
Dependent Claim
73 words
A toy track drive mechanism comprising: an endless track rotatably mounted on a housing by at least two spaced-apart rollers; motor means; means connecting said motor means to at least one of said rollers; said motor means and said last-named means being positioned wholly inside of said track with said motor means being effective to rotate said at least one of said rollers and drive said track when energized by a power source.
Claim 10
Dependent Claim
73 words
A toy track drive mechanism comprising: an endless track rotatably mounted on a housing by at least two spaced-apart rollers; motor means; means connecting said motor means to at least one of said rollers; said motor means and said last-named means being positioned wholly inside of said track with said motor means being effective to rotate said at least one of said rollers and drive said track when energized by a power source.
Claim 11
Dependent Claim
25 words
The toy track drive mechanism of claim 8 further including a power source connected to said motor means and positioned wholly within said endless track.
Claim 12
Dependent Claim
21 words
The toy track drive mechanism of claim 9 wherein said power source is mounted in at least one of said rollers.
Claim 13
Dependent Claim
93 words
The toy track drive mechanism of claim 8, and including a body which has the shape of a snowmobile with steerable skis at one end of the same and a cavity on the bottom surface of the body over a partial extent of the same, and mounting means securing the toy drive mechanism within the cavity of said body means, said skis having roller means journaled thereon and projecting below the undersurface of the skis to support one end of the body with the track means supporting the other end of the body.
Claim 14
Dependent Claim
52 words
The toy track drive mechanism of claim 11 wherein the skis of the body with the roller means thereon elevate the body so that contact of the track means with a surface upon which the body is adapted to be positioned is at the end of the body remote from the skis.
Claim 15
Dependent Claim
37 words
The toy track drive mechanism of claim 12 in which the body with the steerable skis includes a journaled shaft and linkage connected to the steerable skis to simultaneously pivot the skis with movement of the shaft.
Claim 16
Dependent Claim
60 words
The toy track drive mechanism of claim 8 including a body having the shape of a toy vehicle with steering wheels at one end of the same, and means mounting the toy drive mechanism on the undersurface of the body remote from the steerable wheels such that one extremity of the track means supports the other end of the body.
Claim 17
Dependent Claim
80 words
A toy track drive mechanism comprising: drive chassis means; a pair of track roller cups, means mounting said track roller cups near the extremities of the drive chassis means in spaced parallel relationship and for rotation relative thereto, a drive source for said track roller cups connected to at least one of said roller cups, and flexible track means positioned over the drive chassis means with the pair of track roller cups thereon and said drive source enclosing the same.
Claim 18
Dependent Claim
80 words
A toy track drive mechanism comprising: drive chassis means; a pair of track roller cups, means mounting said track roller cups near the extremities of the drive chassis means in spaced parallel relationship and for rotation relative thereto, a drive source for said track roller cups connected to at least one of said roller cups, and flexible track means positioned over the drive chassis means with the pair of track roller cups thereon and said drive source enclosing the same.
Claim 19
Dependent Claim
26 words
The toy track drive mechanism of claim 15 in which the drive source for the track roller cups includes motive means and a power source therefore.
Claim 20
Dependent Claim
104 words
The toy track drive mechanism of claim 16 and including a body for a toy having a steerable support at one end of the same and a cavity on the undersurface of the body over the partial extent of the same, and means included in part on the drive chassis means and in part on the body for detachably securing the drive chassis within the cavity of the body such that the steerable support of the body and the end of the track means remote from the steerable support are adapted to contact the surface upon which the apparatus is placed for movement thereon.
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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |