Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1987-09-22
1988-09-20
Watson, Robert C.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
B23P 1904
Patent
active
047715286
ABSTRACT:
A wheel spindle puller for removing the front wheel spindle on four-wheel drive vehicles such as pickup trucks and similar vehicles. The puller includes a base plate having two hardened steel cap bolts mounted thereon and securely retained in place by jam nuts together with a puller bar movably guided on the bolts with the puller bar including a central, internally threaded bore receiving an elongated central externally threaded bolt having a swivel center point head at its inner end which is aligned with an enlarged aperture in the base plate. The puller is associated with the spindle with the base plate having a thickness to fit properly on an unthreaded part of the spindle located just inwardly of the externally threaded outer end of the spindle and is held thereon by the existing bearing retaining nuts with the central threaded bolt having the swivel center point thereon then being engaged with the end of the axle shaft which extends outwardly from the spindle so that a wrench can be used to tighten the center bolt and pull the spindle from the axle shaft.
REFERENCES:
patent: 1311272 (1919-07-01), Gumpper
patent: 1807329 (1931-05-01), West et al.
patent: 1895448 (1933-01-01), Cornwell
patent: 2288906 (1942-07-01), Kaplan
patent: 2736954 (1956-03-01), Palmer
patent: 2789343 (1957-04-01), Millsap
patent: 4502197 (1985-03-01), Harder
Article entitled "Zf-Einwalzmaschinen", of Dec. 19, 1984, by Zahnradfabrik Friedrichshafen AG, pp. 2, 3, 4, 5.
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