Universal joint

Details Universal joint Universal joint

2005-01-25

2005-01-25

Cottingham, John R. (Department: 3679)

Pipe joints or couplings

Serial,relatively movable portions

Linked ball and socket portions

C403S056000, C285S181000, C285S262000

Reexamination Certificate

active

06846022

ABSTRACT:
A universal joint including a first tubular member, a second tubular member, and an intermediate tubular member for connecting the first and second tubular members, the intermediate tubular member having at one end an outer spherical part and at the other end a cylindrical part, the first tubular member having at one end an inner spherical part in which the outer spherical part of the intermediate tubular member is inserted to move universally, and the second tubular member having at one end a hole in which the cylindrical part of the intermediate tubular member is rotatably inserted, the inner spherical part having an axis oblique at an angle to an axis of the outer spherical part of the intermediate tubular member.

REFERENCES:
patent: 1884944 (1932-10-01), Williams
patent: 2680358 (1954-06-01), Zublin
patent: 4501511 (1985-02-01), Albert, Jr.
patent: 4704043 (1987-11-01), Hackman et al.
patent: 6705647 (2004-03-01), Palmer
patent: 56622 (1891-05-01), None
patent: 287594 (1928-03-01), None
patent: 484838 (1938-05-01), None
patent: 846905 (1960-08-01), None
patent: 04-236884 (1992-08-01), None

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