Fracture process with bore distortion controls
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United States of America Patent
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Jul 7, 1998
Grant Date -
N/A
app pub date -
Nov 4, 1996
filing date -
Nov 4, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention is directed to a split bearing assembly and the method of manufacturing the same which substantially reduces material yielding and deformation during fracture. The bearing assembly includes a saddle-like main body with first and second legs and a removable saddle-like bearing cap with first and second legs. The ends of the cap are secured in end-to-end engagement with mating ends of the first and second legs of the body to define a journal receiving opening. The mating ends are defined by a portion of rough uneven mating surfaces formed by fracturing the cap from the body and a slot or saw-cut portion which operates to reduce the cross-sectional area of the first portion. The reduction in cross section of the mating ends, through the use of the saw-cut, operates to minimize the magnitude of the force which is required to initiate the fracture of the bearing cap from the body of the bearing assembly thereby limiting the deformation of the material in the fracture area. In addition, the reduced cross-sectional portion is crushable, upon assembly of the cap to the body, to adjust for deformation in the journal receiving opening.
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