×

Steering apparatus for a vehicle

  • US 4,881,612 A
  • Filed: 01/19/1988
  • Issued: 11/21/1989
  • Est. Priority Date: 01/22/1987
  • Status: Expired due to Fees
First Claim
Patent Images

1. A steering system for a vehicle, comprising:

  • (a) a handle shaft having an upper end, and a lower end;

    (b) a handle shaft gear disposed on said lower end of said handle shaft;

    (c) a counter shaft having an upper end, and a lower end;

    (d) a first counter shaft gear disposed on said counter shaft, said first counter shaft gear engaging with said handle shaft gear to form a first gear train;

    (e) a second counter shaft gear disposed on said lower end of said counter shaft;

    (f) a side shaft having an upper end and a lower end;

    (g) a side shaft gear disposed on said upper end of said side shaft, said side shaft gear engaging with said second counter shaft gear to form a second gear train, wherein said first gear train and said second gear train constitute a speed reduction gear mechanism; and

    (h) a hydraulic valve, wherein said lower end of said counter shaft is in engagement with said hydraulic valve, and wherein, at least one of the first and second gear trains includes means for axially moving the counter shaft in response to torque applied to said handle shaft to activate said hydraulic valve.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×