Pillow ball joint and method of making the joint

Details Pillow ball joint and method of making the joint Pillow ball joint and method of making the joint

1992-02-18

1994-02-08

Cuomo, Peter M.

Joints and connections

Articulated members

Pivoted

403131, 403274, 403284, 29898043, 29898044, F16C 1110

Patent

active

052843980

ABSTRACT:
A joint comprising a pillow ball having a spherical portion, a bearing for rotatably supporting the spherical portion, and a housing for housing the bearing. The housing has therein a housing bore having a first step for contacting one end of the bearing, a large bore contiguous to the housing bore via a second step, and an attaching bore contiguous to the large bore for receiving a dustproof covering. The depth of the first step is substantially equal to the axial length of the bearing. The joint further comprises an annular plug inserted into the large bore. The annular plug has a taper tapering off toward the side opposite to the housing bore, and the annular plug is pressed and secured onto the second step by caulking or deforming the inside of the housing to fit the taper. The annular plug and the bearing are thus prevented from coming out of the large bore and the housing bore, respectively. The composing members of the joint are simple in their structure and can be easily manufactured and assembled. After the joint is inserted into a mounting hole in a link mechanism, the caulked periphery of the housing is protected from the outside, thus enhancing the corrosion resistance of the joint.

REFERENCES:
patent: 3351999 (1967-11-01), McCloskey
patent: 4714368 (1987-12-01), Sawada et al.
patent: 4880329 (1989-11-01), Sakai
patent: 5078531 (1992-01-01), Sakai et al.

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