Joint having ball and shaft coupled through plastic deformation

Joints and connections – Member deformed in situ

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Details

403242, 295221, G25G 328

Patent

active

051142635

ABSTRACT:
A joint structure for bonding a ball portion and a shaft portion, with the ball including a mounting hole bored toward a center thereof. A corrugated surface for effecting the bonding is formed in an inner circumferential surface of the mounting hole. A shaft portion, of a softer material than the ball portion, is fitted into the mounting hole of the ball portion. An outer circumferential portion of the shaft portion is plastically locally deformed in the vicinity of a corrugated surface of the mounting hole with the ball portion and the shaft portion being are bonded to each other with a tightening force.

REFERENCES:
patent: 501983 (1893-07-01), Worron
patent: 913618 (1909-02-01), Butler
patent: 1275576 (1918-08-01), Lockwood
patent: 1315538 (1919-09-01), Burtnett
patent: 1410520 (1922-03-01), Taylor
patent: 3018737 (1962-01-01), Cook et al.
patent: 3257855 (1966-06-01), Dangauthier
patent: 3468007 (1969-09-01), Nakamura
patent: 3820579 (1974-06-01), Barry
patent: 4012795 (1977-03-01), Dorre et al.
patent: 4175915 (1979-11-01), Black et al.
patent: 4270255 (1981-06-01), Klimek
patent: 4329768 (1982-05-01), Tranberg et al.
patent: 4370793 (1983-02-01), Kanamaru et al.
patent: 4458414 (1984-07-01), Aultman et al.

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