Captive ball and socket joint

Details Captive ball and socket joint Captive ball and socket joint

1987-06-08

1988-09-06

Kundrat, Andrew V.

Joints and connections

Articulated members

Including static joint

403 19, 403122, F16C 1100

Patent

active

047688955

ABSTRACT:
A captive ball in a socket joint made with a minimum number of units capable of mass production and readily assembled with minimum labor. The ball and socket structure enables easy connection of the ball component to a machine element via open access to the ball component for a power driven tool, such as a pneumatic, rotary driver. The socket unit is a single unitary lug-shaped stamping made from flat sheet metal in which a socket recess with a spherical bottom is stamped or formed with a slotted aperture therethrough. The ball unit is a single unitary screw the head of which is ball-shaped and includes an integral drive device in the ball head. The screw-threaded shank of the ball unit projects through the socket unit aperture with the ball-head received in the socket recess. The slotted aperture permits universal swiveling movement of the ball unit relative to the socket unit. A nut, on the ball unit renders the ball unit captive in the socket unit. The nut is retained in the desired position by conventional cement, lock thread formation or other well known self locking screw and nut structure.

REFERENCES:
patent: 410570 (1889-09-01), Arnold
patent: 844421 (1907-02-01), Stafford
patent: 1265445 (1918-05-01), Hagen
patent: 1293374 (1919-02-01), Dodds
patent: 2513637 (1950-07-01), Herreshoff et al.
patent: 2601875 (1952-07-01), Dardani
patent: 2854266 (1958-09-01), Dies
patent: 3097005 (1963-07-01), Fickler
patent: 4367968 (1983-01-01), Ishida
patent: 4645370 (1987-02-01), Kassai

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