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US 6,663,124 B1Granted
Co-axial kingpin lock mechanism
AssigneeDana Corporation
InventorDavid Thompson
Life of this patent
Estimating the term…
Abstract
A steer axle kingpin assembly is provided that eliminates the need for draw keys. The assembly includes A kingpin body that is received within a kingpin bore of a steer axle and extends along a longitudinal axis. The body includes an axially extending bore and a radially extending bore in communication with the axially extending bore. Ball bearings are disposed within the radially extending bore. A lock pin is inserted into the axially extending bore and urges the ball bearings outward into engagement with the kingpin bore of the steer axle.
Claims20
A steer axle kingpin assembly, comprising:
- a body portion configured to be received within a kingpin bore of a steer axle, said body portion disposed about a longitudinal axis and having a first axial bore and a first radial bore in communication with said first axial bore;
- a first bearing member disposed within said first radial bore;
- and,
- a first lock pin disposed within said first axial bore and urging said first bearing member radially outwardly and into engagement with a surface of said kingpin bore when said body portion is received within said kingpin bore of said steer axle.
1 more element
A steer axle assembly, comprising:
- a steer axle beam defining a kingpin bore at one end;
- a kingpin assembly disposed within said kingpin bore, said kingpin assembly including:
- a body portion configured to be received within said kingpin bore, said body portion disposed about a longitudinal axis and having a first axial bore and a first radial bore in communication with said first axial bore;
- a first bearing member disposed within said first radial bore;
- and,
- a first lock pin disposed within said first axial bore and urging said first bearing member radially outwardly and into engagement with a surface of said kingpin bore.
3 more elements
Dependencies are inferred from the claim text.