A vehicle ( 300 ), comprising: a frame ( 310 ) comprising a head tube ( 314 ) and a rear driven axle support ( 312 ); a motion control system; and a payload support ( 320 ) movably connected to the frame ( 310 ) via the motion control system such that the payload support ( 320 ) moves non-linearly relative to the frame ( 310 ), wherein the payload support ( 320 ) comprises a seat support, and in a first operating state of the vehicle ( 300 ), the motion control system, in response to a driven acceleration of the frame ( 310 ) in a forward direction, imparts a force onto the payload support ( 320 ) that accelerates the seat support ( 320 ) in the forward direction at an acceleration no less than an acceleration of the rear driven axle support ( 312 ) in the forward direction.
1. A vehicle, comprising:
a frame comprising a head tube and a rear driven axle support;
a motion control system comprising a link pivotally connecting the frame and a payload support; and
the payload support movably connected to said frame via said motion control system such that said payload support moves non-linearly relative to said frame, wherein
said payload support comprises a seat support, and
in a operating state of said vehicle, said motion control system, in response to a driven acceleration of said frame in a forward direction, imparts a force onto said payload support that accelerates said seat support in said forward direction at an acceleration no less than an acceleration of said rear driven axle support in said forward direction.
2. The vehicle of claim 1 , wherein
said payload support is movably connected to said frame such that a first angle between a first imaginary straight line and a second imaginary straight line in a first operating state of said vehicle differs from a second angle between said first imaginary straight line and said second imaginary straight line in a second operating state of said vehicle by at least 1°, and
said payload support is movably connected to said frame such that a third angle between said first imaginary straight line and said second imaginary straight line in any third operating state of said vehicle differs from a fourth angle between said first imaginary straight line and said second imaginary straight line in any fourth operating state of said vehicle by no more than 10°.
3. The vehicle of claim 1 wherein
said payload support comprises a driving axle support, and
said motion control system, in response to a determination that said vehicle is nearing a stopped condition, conjunctively lowers said seat support and said driving axle support.
4. The vehicle of claim 3 wherein
said motion control system comprises a shock absorber, and
said motion control system alters a position of said frame relative to said payload support by altering an amount of fluid in a chamber of said shock absorber.
5. The vehicle of claim 1 where the link is rigid.
6. The vehicle of claim 1 where the link is flexing.
7. The vehicle of claim 1 where the link is L-shaped.
8. The vehicle of claim 7 where the link connects to the payload support with a first pivot.
9. The vehicle of claim 8 where the first pivot is at a bend in the link.
10. The vehicle of claim 9 where the link connects to the frame with a second pivot.
11. The vehicle of claim 10 where the second pivot is at a first end of the link.
12. The vehicle of claim 11 where a second end of the link connects to a shock absorber.