Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1991-11-21
1993-06-22
Swann, J. J.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
403375, 403381, 29258, B25B 2702
Patent
active
052207161
ABSTRACT:
Tools for the disassembly of a universal joint comprise two embodiments, a pull-type tool and a push-type tool. In the pull-type tool, a pulling force is exerted on a yoke member other than the yoke member from which a journal bearing is to be removed, an opposite pushing force is exerted on that end or collar portion of the yoke member containing the journal bearing to be removed, and a cylinder/piston combination interposed between the pulling assembly and the pushing assembly operates to cause the exertion of the pulling and pushing forces, so that the journal bearing is forced out of the collar portion adjacent to the pushing assembly. With respect to the push-type tool, a cylinder/piston combination is mounted on a pushing or support assembly, and the cylinder/piston combination is operated to force the piston downward so as to exert a pushing force via the pushing assembly on the universal joint cross, thus forcing the far side journal bearing out of its yoke member. In each embodiment, the cylinder is provided with two apertures which accommodate the nozzle of a conventional grease gun, so that grease under high pressure can be injected into the cylinder so as to motivate the piston to apply the pulling or pushing force, depending on which embodiment is utilized. Other inventive features are disclosed.
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Seeber Joseph G.
Swann J. J.
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