Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1985-02-28
1987-04-21
Watson, Robert C.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
B23P 1904
Patent
active
046584889
ABSTRACT:
A tool for uncoupling a drive member and driven member joined together at a universal joint includes a pulling member and pushing member, both having a substantially U-shaped configuration such that they are disposed in nested relationship with the pushing member substantially surrounding the pulling member. In one embodiment, both such members are coupled together by a threaded drive member rigidly secured to the pulling member. The drive member threadably receives a nut, rotation of which causes the nut to bear against the pushing member to urge the pushing member in one direction and simultaneously urge the pulling member in the opposite direction. In operation, the pull member exerts a pulling force on an end yoke of, for example, the drive member, which seats by interference fit a press fit bearing to be removed, while the pushing member exerts a pushing force against an end yoke of the driven member. Thus, the end yoke of the drive shaft is urged toward the tool as the end yoke of the driven shaft is urged away from the tool, releasing one of the bearings seated by the drive shaft end yoke from its interference fit.
REFERENCES:
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patent: 4570319 (1986-02-01), Skoworodko
"POSI Lock" ad slick by Octagon Tool, Inc., 7/84.
Exhibit B, Photograph of sketch of "U-Joint Magic" universal joint pulling tool.
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