Patent GB361069A successfully refreshed from Google Patents.
US4475618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy car
Assignee: Nagel Kennedy and Associates
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Filing: 1982-11-01
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Granted: 1984-10-09
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Expires: 2002-11-01
Abstract
Abstract A power driven toy car includes a system for coupling power from a power source to the driving wheels of the toy car, which system automatically decouples the power source from the driving wheels when the power source is deactivated to permit free rotation of the driving wheels.
Inventors
- 👤 Melvin Kennedy
- 👤 Dietmar Nagel
- 👤 Avi Arad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:28
CPC Classifications
B; B62; B62K; B62K9/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19293; Y10T74/19298; Y10T74/19307; Y10T74/19614
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
301 words
A toy car comprising a body, a pair of front wheels and a pair of rear wheels, each pair of wheels coupled together by a supporting axle which is rotatably mounted relative to said body, a housing mounted intermediate said pair of front wheels, a motor and transmission mechanism mounted in said housing, said transmission mechanism including a driving gear coupled to said motor, a plurality of driven gears, at least one of which is coupled to the axle connecting said pair of front wheels and a plurality of intermediate gears movable into and out of driving engagement between said driven gears and said driving gear upon the activation and deactivation, respectively, of said motor, a steering assembly coupled to said front wheels for steering the car in a desired direction, and activating means selectively operable to activate and deactivate said motor which upon activation automatically causes said intermediate gear to engage the driven and driving gears to cause power to be applied to the front pair of wheels thereby causing the car to move and which upon deactivation automatically disengages at least one of the intermediate gears from driving engagement between the driving and driven gears freeing the front driving wheels of the toy for rotation to prevent damage to the car, said activating means including a leaf spring mounted on the housing, a shaft having one end positioned proximate to said leaf spring and means positioned proximate the other end of said shaft which upon application of a force thereto causes the shaft to force the leaf spring into electrical contact with said housing thereby causing power to be applied to said motor and upon removal of the force permitting said leaf spring to be brought out of electrical contact with the housing thereby removing power from said motor.
Claim 2
Dependent Claim
301 words
A toy car comprising a body, a pair of front wheels and a pair of rear wheels, each pair of wheels coupled together by a supporting axle which is rotatably mounted relative to said body, a housing mounted intermediate said pair of front wheels, a motor and transmission mechanism mounted in said housing, said transmission mechanism including a driving gear coupled to said motor, a plurality of driven gears, at least one of which is coupled to the axle connecting said pair of front wheels and a plurality of intermediate gears movable into and out of driving engagement between said driven gears and said driving gear upon the activation and deactivation, respectively, of said motor, a steering assembly coupled to said front wheels for steering the car in a desired direction, and activating means selectively operable to activate and deactivate said motor which upon activation automatically causes said intermediate gear to engage the driven and driving gears to cause power to be applied to the front pair of wheels thereby causing the car to move and which upon deactivation automatically disengages at least one of the intermediate gears from driving engagement between the driving and driven gears freeing the front driving wheels of the toy for rotation to prevent damage to the car, said activating means including a leaf spring mounted on the housing, a shaft having one end positioned proximate to said leaf spring and means positioned proximate the other end of said shaft which upon application of a force thereto causes the shaft to force the leaf spring into electrical contact with said housing thereby causing power to be applied to said motor and upon removal of the force permitting said leaf spring to be brought out of electrical contact with the housing thereby removing power from said motor.
Claim 3
Dependent Claim
199 words
A toy car comprising a body, driving wheels coupled to said body to permit said car to be propelled along the surface, a power source mounted to said body, a transmission mechanism for operatively and selectively coupling said driving wheels to said power source, and activating means for activation of said power source, said transmission mechanism including a driving gear drivingly engaged with said power source, driven gear means operatively engaged with said driving wheels, and at least one intermediate gear capable of selective engagement with said driven gear means and in constant engagement with said driving gear, said driving gear causing a torsional force to be exerted on said intermediate gear upon activation of said power source, and spring means operatively engaged to exert a force on said intermediate gear to bias said intermediate gear out of engagement with said driven gear means when said power source is not activated, the force exerted by said spring means on said intermediate gear being overcome by said torsional force caused by said driving gear on said intermediate gear during activation of said power source to cause said intermediate gear to engage said driven gear means to drive said driving wheels.
Claim 4
Dependent Claim
199 words
A toy car comprising a body, driving wheels coupled to said body to permit said car to be propelled along the surface, a power source mounted to said body, a transmission mechanism for operatively and selectively coupling said driving wheels to said power source, and activating means for activation of said power source, said transmission mechanism including a driving gear drivingly engaged with said power source, driven gear means operatively engaged with said driving wheels, and at least one intermediate gear capable of selective engagement with said driven gear means and in constant engagement with said driving gear, said driving gear causing a torsional force to be exerted on said intermediate gear upon activation of said power source, and spring means operatively engaged to exert a force on said intermediate gear to bias said intermediate gear out of engagement with said driven gear means when said power source is not activated, the force exerted by said spring means on said intermediate gear being overcome by said torsional force caused by said driving gear on said intermediate gear during activation of said power source to cause said intermediate gear to engage said driven gear means to drive said driving wheels.
Claim 5
Dependent Claim
221 words
A toy car comprising a body, driving wheels coupled to said body to permit said car to be propelled along the surface, a power source mounted to said body, a transmission mechanism for operatively and selectively coupling said driving wheels to said power source, and activating means which upon application of a force thereto causes power to be applied to said power source, and upon removal of said force curtailing power flow to said power source, said transmission mechanism including a driving gear drivingly engaged with said power source, driven gear means operatively engaged with said driving wheels, at least one intermediate gear capable of selective engagement with said driven gear means and in constant engagement with said driving gear, said driving gear causing a torsional force to be exerted on said intermediate gear upon activation of said power source, and spring means operatively engaged to exert a force on said intermediate gear to bias said intermediate gear out of engagement with said driven gear means when said power source is not activated, the force exerted by said spring means on said intermediate gear being overcome by said torsional force caused by said driving gear on said intermediate gear during activation of said power source to cause said intermediate gear to engage said driven gear means to drive said driving wheels.
Claim 6
Dependent Claim
221 words
A toy car comprising a body, driving wheels coupled to said body to permit said car to be propelled along the surface, a power source mounted to said body, a transmission mechanism for operatively and selectively coupling said driving wheels to said power source, and activating means which upon application of a force thereto causes power to be applied to said power source, and upon removal of said force curtailing power flow to said power source, said transmission mechanism including a driving gear drivingly engaged with said power source, driven gear means operatively engaged with said driving wheels, at least one intermediate gear capable of selective engagement with said driven gear means and in constant engagement with said driving gear, said driving gear causing a torsional force to be exerted on said intermediate gear upon activation of said power source, and spring means operatively engaged to exert a force on said intermediate gear to bias said intermediate gear out of engagement with said driven gear means when said power source is not activated, the force exerted by said spring means on said intermediate gear being overcome by said torsional force caused by said driving gear on said intermediate gear during activation of said power source to cause said intermediate gear to engage said driven gear means to drive said driving wheels.
Claim 7
Dependent Claim
202 words
A toy car comprising a body, driving wheels coupled to said body to permit said car to be propelled along the surface, a power source mounted to said body, a transmission mechanism for operatively and selectively coupling said driving wheels to said power source, said transmission mechanism including a driving gear operatively coupled to said power source, driven gear means drivingly coupled to said driving wheels, a first intermediate gear concentrically mounted with a second intermediate gear, said first intermediate gear in constant engagement with said driving gear whereby a torsional force is exerted on said concentrically mounted first and second intermediate gears when said power source is activated, said second intermediate gear capable of selective engagement with said driven gear means, first spring means operatively engaged to exert a force on said concentrically mounted first and second intermediate gears biasing said second intermediate gear out of engagement with said driven gear means when said power source is not activated, said force exerted by said spring means being overcome by said torsional force exerted on said concentrically mounted first and second intermediate gears to cause said second intermediate gear to positively engage with said driven gear means to activate said driving wheels.
Claim 8
Dependent Claim
202 words
A toy car comprising a body, driving wheels coupled to said body to permit said car to be propelled along the surface, a power source mounted to said body, a transmission mechanism for operatively and selectively coupling said driving wheels to said power source, said transmission mechanism including a driving gear operatively coupled to said power source, driven gear means drivingly coupled to said driving wheels, a first intermediate gear concentrically mounted with a second intermediate gear, said first intermediate gear in constant engagement with said driving gear whereby a torsional force is exerted on said concentrically mounted first and second intermediate gears when said power source is activated, said second intermediate gear capable of selective engagement with said driven gear means, first spring means operatively engaged to exert a force on said concentrically mounted first and second intermediate gears biasing said second intermediate gear out of engagement with said driven gear means when said power source is not activated, said force exerted by said spring means being overcome by said torsional force exerted on said concentrically mounted first and second intermediate gears to cause said second intermediate gear to positively engage with said driven gear means to activate said driving wheels.
Claim 9
Dependent Claim
95 words
The toy car of claim 4 wherein said activating means includes second spring means, a shaft having one end positioned proximate to said spring means and means positioned proximate the other end of said shaft which upon application of a force thereto causes the shaft to bring the spring means in electrical contact with said power source to cause electricity to be applied to said power source and upon removal of said force permitting said spring means to be brought out of electrical contact with said power source curtailing electricity flow to said power source.
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) | 1987-10-09 | 1988-04-09 | 1988-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-09 | 1992-04-09 | 1992-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-09 | 1996-04-09 | 1996-10-09 | $7700.00 | Window Closed / Lapsed |