US3596397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature slot car
Assignee: Individual
•
Filing: 1970-02-13
•
Granted: 1971-08-03
•
Expires: 1990-02-13
Abstract
Abstract A slot car is provided with a first chassis that rotatably supports front and rear axles on which are mounted the steering and driving wheels, respectively. A second chassis is pivotally mounted on the rear axle and supports the drive motor, the transmission means, as well as the guide pin and the brushes that contact a slotted track. A feature of the invention is the ease of replaceability of the motor without the need for soldering, crimping tools or the like.
Inventors
- 👤 Anthony Colletti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:01
CPC Classifications
A; A63; A63H; A63H18/00; A63H18/12
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
120 words
A slot car for use on a track having a guide slot and a pair of conDuctors connected to a voltage source, said car comprising: a. a first chassis; b. front and rear axles mounted on said first chassis, each of said axles including a pair of rotatable wheels; c. a second chassis pivotally mounted on one of said axles; d. an electric motor means having a drive shaft and a pinion, brush means electrically connected to said motor and adapted to contact said conductors and pin means adapted to engage the track slot, said last-three-mentioned means all mounted on said second chassis; and e. gear means mounted on one of said axles and in meshing engagement with said pinion.
Claim 2
Dependent Claim
120 words
A slot car for use on a track having a guide slot and a pair of conDuctors connected to a voltage source, said car comprising: a. a first chassis; b. front and rear axles mounted on said first chassis, each of said axles including a pair of rotatable wheels; c. a second chassis pivotally mounted on one of said axles; d. an electric motor means having a drive shaft and a pinion, brush means electrically connected to said motor and adapted to contact said conductors and pin means adapted to engage the track slot, said last-three-mentioned means all mounted on said second chassis; and e. gear means mounted on one of said axles and in meshing engagement with said pinion.
Claim 3
Dependent Claim
18 words
The car in accordance with claim 1 wherein said second chassis is pivotally mounted on said rear axle.
Claim 4
Dependent Claim
26 words
The car in accordance with claim 1 wherein said connection of said brush means is by frictional engagement and is characterized by the absence of fasteners.
Claim 5
Dependent Claim
59 words
The car in accordance with claim 1 further including cam means supporting said brush means and said pin means on said second chassis, said cam means being defined by a longitudinal rib arranged to floatingly bear against a portion of said second chassis whereby said brush means are permitted angular movement about a horizontal axis defined by said rib.
Claim 6
Dependent Claim
49 words
The car in accordance with claim 4 wherein said cam means is an insulator member having apertures for receiving the noninsulated end of the leads of said motor, said brush means being metallic members arranged to frictionally engage said insulator member and the motor leads absent any other fasteners.
Claim 7
Dependent Claim
26 words
The car in accordance with claim 5 wherein said motor is frictionally retained by said second chassis and is removable therefrom without the use of tools.
Claim 8
Dependent Claim
65 words
The car in accordance with claim 1 wherein said first chassis includes oversized apertures rotatably supporting said front axle and the wheels therefor, there being further included a block member having a longitudinal rib supported on said second chassis in tangential engagement with said front axle whereby the front wheels are permitted angular movement about a horizontal axis defined by said rib on said block.
Claim 9
Dependent Claim
23 words
The car in accordance with claim 7 wherein said block is a weight positioned to apply a downward force on said brush means.
Claim 10
Dependent Claim
113 words
In a slot car having front and rear axles and wheels arranged to ride on a track, an electric motor connected to brush means adapted to engage track conductors that are energized by a voltage source, a pin arranged to engage a slot in the track and transmission means coupling the motor and the wheels, the improvement comprising: a. a first chassis for supporting the front and rear axles and a portion of the transmission means on one of the axles; and b. a second chassis for supporting the motor, the brush means, the pin and another portion of the transmission means, said second chassis being pivotally mounted on one of the axles.
Claim 11
Dependent Claim
113 words
In a slot car having front and rear axles and wheels arranged to ride on a track, an electric motor connected to brush means adapted to engage track conductors that are energized by a voltage source, a pin arranged to engage a slot in the track and transmission means coupling the motor and the wheels, the improvement comprising: a. a first chassis for supporting the front and rear axles and a portion of the transmission means on one of the axles; and b. a second chassis for supporting the motor, the brush means, the pin and another portion of the transmission means, said second chassis being pivotally mounted on one of the axles.
Claim 12
Dependent Claim
18 words
The improvement in accordance with claim 9 wherein said second chassis is pivotally mounted on the rear axle.
References Cited (Backward Citations)
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Cited
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US3202109A
Cited
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Cited
US3304652A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |