Toy vehicle adjustable suspension system
First Claim
1. A toy vehicle adjustable suspension system, comprising:
- (a) a chassis including at least four suspension arm support means for attaching to said chassis, said suspension arm support means each having an upper and lower horizontal plane, said upper horizontal plane also having a threaded retainer;
(b) at least four suspension arms each having a first and second end separated by a rectangular section, wherein said first end is hingedly connected to said lower horizontal plane to permit vertical movement of said suspension arm, said second end has means for attaching a wheel assembly, and said rectangular section has a slotted socket retainer;
(c) at least four adjustment elements each having a longitudinal axis and an upper and lower end, wherein said upper end has means for rotating said adjustment element about said axis and said upper end is retained by said threaded retainer so as to permit said adjustment element to move up or down relative to said upper horizontal plane, when rotated in one direction or the other, and said lower end has means for retention by said slotted socket retainer; and
(d) at least four tension elements each positioned between said upper horizontal plane and said suspension arm so as to permit a force against the lower surface of said upper horizontal plane and upper surface of said suspension arm.
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Abstract
The present invention relates to a suspension system for a toy vehicle. The suspension system is independent in that it comprises at least four damping mechanisms (shock absorber), each shock absorber being located proximal to each wheel location. Each shock absorber utilizes a tensioning device, such as a compressed spring, positioned between the toy vehicle chassis and a suspension arm, to provide the active damping feature of the invention. Each shock absorber also utilizes an adjustment means, such as a screw, to selectively change the distance between the suspension arm and chassis. As the screw is adjusted, so the spring is either more or less compressed, providing for a stiffer (more compressed) or a softer (less compressed) suspension. Furthermore, adjusting the screw to compress the spring causes the body of the toy vehicle to be lowered relative to the suspension arm/wheel assembly, and adjustment of the spring to decrease the spring compression causes the body of the toy vehicle to be raised relative to the suspension arm/wheel assembly.
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Citations
5 Claims
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1. A toy vehicle adjustable suspension system, comprising:
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(a) a chassis including at least four suspension arm support means for attaching to said chassis, said suspension arm support means each having an upper and lower horizontal plane, said upper horizontal plane also having a threaded retainer;
(b) at least four suspension arms each having a first and second end separated by a rectangular section, wherein said first end is hingedly connected to said lower horizontal plane to permit vertical movement of said suspension arm, said second end has means for attaching a wheel assembly, and said rectangular section has a slotted socket retainer;
(c) at least four adjustment elements each having a longitudinal axis and an upper and lower end, wherein said upper end has means for rotating said adjustment element about said axis and said upper end is retained by said threaded retainer so as to permit said adjustment element to move up or down relative to said upper horizontal plane, when rotated in one direction or the other, and said lower end has means for retention by said slotted socket retainer; and
(d) at least four tension elements each positioned between said upper horizontal plane and said suspension arm so as to permit a force against the lower surface of said upper horizontal plane and upper surface of said suspension arm.
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2. The toy vehicle adjustable suspension system of claim 1, wherein said tension element is a spring.
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3. The toy vehicle adjustable suspension system of claim 2, wherein said means for rotating said adjustment element can be operated by a cross-head style screwdriver.
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4. The toy vehicle adjustable suspension system of claim 3, wherein said suspension arm second end means for engaging a wheel assembly is an internally threaded bore.
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5. The toy vehicle adjustable suspension system of claim 4, wherein said adjustment element lower end means for retention by said slotted socket retainer form a ball and socket-type configuration.
Specification