Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1994-07-18
1996-12-24
Watson, Robert C.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
269249, 811778, B23P 1904
Patent
active
055863787
ABSTRACT:
A ball joint extractor comprising a C-shaped clamp having an elongated vertical component at its central extent and having two horizontal parallel legs, an upper leg and a lower leg, extending from the opposite ends thereof; a fixed jaw in a U-shaped configuration having parallel legs in a horizontal orientation and a curved coupling section therebetween, the coupling section secured at its interior end to the outboard end of the upper leg, the U-shaped jaw having a horizontal lower surface and an upper surface angling downwardly from its curved coupling section with the interior surface of the U-shaped jaw being chamfered whereby the upper surface of the U-shaped jaw has a smaller surface area on its upper surface than its lower surface with the coupling section being a curve having an axis parallel with the axis of the long leg of the U-shaped member; and a cylindrical member with a threaded central aperture and an exterior surface secured at one edge to the exterior surface of the lower leg of the C-shaped clamp with the axis of the cylindrical member being co-extensive with the axis of the U-shaped member and parallel with the axis of the long leg of the C-shaped member.
REFERENCES:
patent: 1551907 (1925-09-01), Preston
patent: 1669899 (1928-05-01), Coffer
patent: 2075792 (1937-04-01), Curtiss
patent: 2167897 (1939-08-01), Kulp
patent: 2965958 (1960-12-01), Gribble
patent: 3550486 (1970-12-01), Edwards
patent: 4406186 (1983-09-01), Gummow
patent: 5148590 (1992-09-01), Wu
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