Steering tie rod end

Details Steering tie rod end Steering tie rod end

2001-08-08

2003-05-27

Sandy, Robert J. (Department: 3677)

Joints and connections

Articulated members

Pivoted

C403S122000

Reexamination Certificate

active

06568870

ABSTRACT:

BACKGROUND OF THE INVENTION
Tie rod ends for steering systems of motor vehicles are already known. The patent of the U.S. Pat. No. 4,028,784, granted on Jun. 14, 1977, to William D. Allison, entitled “Preloaded Tie Rod End Assembly” (Pre loaded tie rod end structure); the patent of the U.S. Pat. No. 4,059,361, granted on Nov. 22, 1977 to William D. Allison, entitled “Tie Rod End”; the patent of the U.S. Pat. No. 4,162,859, granted on Jul. 31, 1979, to Lloyd O. McAfee entitled “Vehicle Steering Knuckle Arm Angle Compensator,” and the patent of the U.S. Pat. No. 5,066,160, granted on Nov. 19, 1991, to Lloyd O. McAfee, entitled “Ball Joint” (spherical articulation) as sample patents. None of these patents address the problem which this invention solves.
It is known that vibration affects tie rod ends and that it is transmitted to the tube. In some extreme cases, it provokes the tie rod assembly to fracture. General specifications for tie rod ends exist (e.SAE J193) and most of the current systems meet them. However, fractures of the tie rod assemblies have been reported recently and their catastrophic consequences make imperious the necessity to solve this problem, and there are no existing references that outline an intent to solve it. These fractures are the result of vibrations whose causes have not been clearly determined, but may be related to braking, suspension systems or road conditions. However, the present invention has the objective of absorbing these vibrations to avoid the fractures of the tie rod assemblies.
BRIEF DESCRIPTION OF THE INVENTION
In accordance with this, the present invention provides means to absorb or to reduce in a significant way, the vibrations in all directions.


REFERENCES:
patent: 923045 (1909-05-01), Gulick
patent: 1462859 (1923-07-01), Huestis
patent: 1643720 (1927-09-01), McKone
patent: 3004786 (1961-10-01), Herbenar
patent: 4028784 (1977-06-01), Allison
patent: 4059361 (1977-11-01), Allison
patent: 4318335 (1982-03-01), Wiegand et al.
patent: 5066160 (1991-11-01), Wood
patent: 6042294 (2000-03-01), Urbach
patent: 6422779 (2002-07-01), Spagnuolo
patent: 37 42 084 (1989-06-01), None
patent: 361248920 (1986-11-01), None
patent: 40817632 (1996-07-01), None

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