Machine element with at least a fitting member pressure-fitted o

Details Machine element with at least a fitting member pressure-fitted o Machine element with at least a fitting member pressure-fitted o

1993-06-29

1995-05-30

Friedman, Carl D.

Machine element or mechanism

Elements

Cams

74434, 123 906, 123 9039, 298881, 403282, 403359, F16H 5300, F01L 104

Patent

active

054192170

ABSTRACT:
A machine element has a shaft and at least a fitting member such as a cam or gear mounted on the shaft by pressure-fit. The fitting member has a bore for receiving the shaft. The shaft is formed with protrusions at least an area of the shaft on which the fitting member is fitted. The protrusions preferably extend continuously or discretely, peripherally or helically on the outer surface of the shaft and have a diameter larger than than the remaining areas of the shaft. The bore of the fitting member is formed with at east an inner chordal surface having a perpendicular from the center of the bore smaller than the radius of the protrusions. The fitting member is configured to be forced onto the protrusions of the shaft with at least one inner chordal surface forming a corresponding outer surface on the protrusions in a shaving and/or deforming operation.

REFERENCES:
patent: 4006993 (1977-02-01), Woerlee
patent: 4597365 (1986-07-01), Madaffer
patent: 4835832 (1989-06-01), Arnold et al.
patent: 4870872 (1989-10-01), Parsons
patent: 4882825 (1989-11-01), Nakamura
patent: 4903543 (1990-02-01), Matt
patent: 4947547 (1990-08-01), Matt
patent: 4947763 (1990-08-01), Sibata et al.
patent: 5272930 (1993-12-01), Nakamura et al.

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