Rear suspension mechanism for remote control model car

• US 6,478,655 B2
• Filed: 12/20/2000
• Issued: 11/12/2002
• Est. Priority Date: 12/20/2000
• Status: Expired due to Fees

• Current Assignee: Chao-Chung Wu
• Original Assignee: Chao-Chung Wu
• Inventors: Wu, Chao-Chung
• Primary Examiner(s): Ackun, Jacob K.
• Application Number:
  US09/739,783
• Publication Number:
  US 20020077025A1
• Time in Patent Office: 692 Days
• Field of Search: 446/454, 446/448, 446/456, 446/465, 446/466, 446/469, 446/470
• US Class Current: 446/456
• CPC Class Codes: A63H 17/262 Chassis; Wheel mountings; Wheels; Axles; Suspensions; Fitting body portions to chassis

Abstract

A remote control model car includes a rear suspension mechanism mounted in either side of the chassis. The chassis has a suspension body. The rear suspension mechanism includes a pivotal adjustment rod coupled to the lug of the suspension body, a pivotal arm mechanism, a hub mechanism, and a shock absorber pivotably secured to the arm mechanism and the suspension body. This arrangement allows for a smooth, simple, and reliable wheel angle adjustment.

Claims

1. A rear suspension mechanism mounted in either side of a chassis of a model car, said chassis having a suspension body in a rear thereof including a transmission seat, a coupling on either side of said transmission seat coupled to a universal joint at an internal end of a transmission rod, a lug on either side of an upper portion of said suspension body, a first ear on either side of a lower part of said suspension body, a fastening block at a front or rear side of said chassis, a shaft secured between a second ear on either side of said fastening block, and the shaft secured between said first and said second ears, said rear suspension mechanism comprising:

a pivotal adjustment rod coupled to said lug of said suspension body, said adjustment rod including a center enlargement portion, two threaded rods on either side of said center enlargement, and two end joints that are adjustable along the length of said adjustment rod;

a pivotal arm mechanism comprising two sleeves positioned on said shaft between said first and said second ears, each of said sleeves being abutted on one of said first and said second ears;

a hub mechanism having an upper part coupled to said adjustment rod and a lower part coupled to said arm mechanism respectively, one end of said transmission rod passed through said universal joint to couple to a joint of a pin mechanism, one end of said pin mechanism comprising a bar that is passed through said hub mechanism, a bearing positioned on said bar of said pin mechanism, said bearing placed within said hub mechanism, said bar of said pin mechanism passed through said hub mechanism, a fastener sleeved on said bar and securable to a rear wheel, a pair of parallel adjustment members positioned at external ends of said arm mechanism that are threadedly secured to a bolt having a ball-shaped head secured in one of two fork members of said hub mechanism; and

a shock absorber having a bottom end pivotably secured to an engagement member of said arm mechanism and a top end secured to said suspension body.

2. The rear suspension mechanism as claimed in claim 1, wherein said suspension body further comprises a projecting member and a plurality of apertures on said projecting member.

3. The rear suspension mechanism as claimed in claim 1, wherein said hub mechanism further comprises a pair of lugs and a plurality of holes at each of the lugs.

4. The rear suspension mechanism as claimed in claim 1, wherein said arm mechanism further comprises a threaded hole at an internal side thereof and a screw secured in said threaded hole.

5. The rear suspension mechanism as claimed in claim 1, wherein said engagement member comprises an opening and a plurality of transverse holes adjacent said opening.