Joints and connections – Articulated members – Plural distinct articulation axes
Patent
1989-08-30
1990-06-26
Kundrat, Andrew V.
Joints and connections
Articulated members
Plural distinct articulation axes
403114, 403120, 403146, 403322, 403324, 8117775, 464115, 464120, F16D 310
Patent
active
049367013
ABSTRACT:
A universal joint for use with impact wrenches and the like comprising a coupling having a bore at one end for engaging the drive shaft of a wrench and a ball receiving cavity at its other end; a socket engaging part having a ball member disposed in the ball receiving cavity; and a guide sleeve concentrically and slidably mounted for free rotation to the coupling, the guide sleeve having a substantially smooth uninterrupted outer cylindrical surface which may be held between the fingers of an operator while the joint is rotating.
REFERENCES:
patent: 1584208 (1926-05-01), Bellows
patent: 2526105 (1950-10-01), Adams
patent: 2664002 (1953-12-01), Anderson
patent: 2722812 (1955-11-01), Golasky
patent: 3290739 (1966-12-01), Harley
patent: 3802302 (1974-04-01), Bengtson
patent: 4026605 (1977-05-01), Emmerich
patent: 4065941 (1978-01-01), Aoki
patent: 4114401 (1978-08-01), Van Hoose
patent: 4615191 (1986-10-01), Grandy
patent: 4637751 (1987-01-01), Vollmer
patent: 4825732 (1989-05-01), Arnold
Mac Tools, Inc., product catalog; anniversary edition; issued Oct. 1987; pp. 63 & 73.
Allen Kenneth D.
Amtmann James S.
DeLiguori Franco S.
Kundrat Andrew V.
Mac Tools, Inc.
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