Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1981-12-30
1984-11-20
Watson, Robert C.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
B23P 1904
Patent
active
044830572
ABSTRACT:
An apparatus for removing the stuffing box in a down hole mud pump, which includes a substantially elongated mounting frame having at least a pair of retainer rings in spaced relation from and coaxially mounted in relation to a threaded collar member, with the rings in the collar member being held in spaced relation by a pair of guide bars. There is further provided a rear mounting portion having a pair of mounting plates defining a retaining space there between. There would be further provided an elongated ram member insertible into the guide, and having slidable movement there within. There is further provided a hydraulic jack or the like which would be mounted in the retainer space, so that outward movement of the jack piston would impart lateral movement to the ram of the apparatus.
REFERENCES:
patent: 2430201 (1947-11-01), Wyscaver
patent: 2715261 (1955-08-01), Williams
patent: 2856677 (1958-10-01), Rekettye
patent: 3087236 (1963-04-01), Paytas
patent: 3217394 (1965-11-01), Castoe
patent: 3359618 (1967-12-01), Murphy
patent: 3390446 (1968-07-01), Ettorre
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