Spherical joint with an elastic cap

Details Spherical joint with an elastic cap Spherical joint with an elastic cap

1995-09-28

1997-08-05

Dorner, Kenneth J.

Joints and connections

Articulated members

Pivoted

403135, 403138, 403145, F16C 1106

Patent

active

056535473

ABSTRACT:
The present invention relates to a spherical joint for transmitting rotating and rocking motions between an inner member and an outer member in sliding contact with each other, and provides a spherical joint which is excellent in the mechanical strength and capable of achieving smooth rocking or rotating motions, and a process for manufacturing the spherical joint. In order to achieve this object, according to the present invention, there is provided a spherical joint comprising: an internal member having a convex-spherical surface; an outer member cast by using the inner member as a core and so connected to the inner member as to rock and rotate relative to the inner member; and a bushing sandwiched between the inner member and the outer member and having a concave-spherical surface for sliding contact with the convex-spherical surface of the inner member. When the outer member is to be cast, the bushing made of a thin metal is partially fused to and rigidly unified with the cast outer member.

REFERENCES:
patent: 357337 (1887-02-01), Rosenblatt
patent: 1740971 (1929-12-01), Corlett
patent: 2453742 (1948-11-01), Bowen et al.
patent: 3833309 (1974-09-01), Hobbs
patent: 3967907 (1976-07-01), Schmidt
patent: 4203683 (1980-05-01), Rogers
patent: 4478531 (1984-10-01), Levinson et al.
patent: 4482266 (1984-11-01), Kaneko
patent: 4979844 (1990-12-01), Teramachi
patent: 5070906 (1991-12-01), Teramachi

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