Joints and connections – Articulated members – Plural distinct articulation axes
Patent
1979-06-25
1980-11-04
Shedd, Wayne L.
Joints and connections
Articulated members
Plural distinct articulation axes
F16C 1100
Patent
active
042316723
ABSTRACT:
A ball joint for transmitting forces between the prop and the head-piece of a support unit has a spherical head received in the spherical internal surface of a dome. The dome is enclosed by a spherical ring which is fastened to the head. The rod of a prop carries a pivot which is mounted with radial clearance in a cylindrical cavity located within the sphericl head.
REFERENCES:
patent: 3149855 (1964-09-01), Adloff et al.
patent: 3168014 (1965-02-01), Aslan
patent: 3171627 (1965-03-01), Tapley et al.
patent: 3263445 (1966-08-01), Dunn
patent: 3414302 (1968-12-01), Priest
patent: 3561800 (1971-02-01), Hassan
patent: 3782673 (1974-01-01), Wehrens
Blanpain Guy
Grandfils Pierre
Charbonnages de France
Shedd Wayne L.
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