Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1981-10-02
1984-12-11
Watson, Robert C.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29267, 254 84, 254124, 254131, B23P 1904
Patent
active
044869363
ABSTRACT:
An apparatus for laterally removing a workpiece, such as a guide roller on an endless track vehicle or motor from a piece of heavy equipment, from a space having limited vertical access. The apparatus includes a base for stably supporting the apparatus in a position laterally adjacent the workpiece, a support member secured to the base, a pivotable frame member pivotally secured to a portion of the support member, a cradle member for receiving and supporting the workpiece, which cradle member is secured to the pivotable frame member to be raised and lowered as the pivotable frame member is pivoted, and a force actuator, such as a hydraulic cylinder, supported by the support member and connected to the rigid pivotable frame member for pivoting it to raise and lower the cradle member as the force actuator is extended and retracted between its extended and stowed positions. The base includes stabilizing members for stabilizing the apparatus as the cradle is raised and lowered and a pair of inwardly facing channel members for receiving cam rollers or wheels on the support member to permit the apparatus to be moved laterally to and fro relative to the space for removing the workpiece.
REFERENCES:
patent: 416990 (1889-12-01), Campbell
patent: 682973 (1901-09-01), Condict
patent: 1573918 (1926-02-01), Dewhirst
patent: 2600740 (1952-06-01), Drum
patent: 2814394 (1957-11-01), Witcher
patent: 3050152 (1962-08-01), Blain
patent: 3086751 (1963-04-01), Poznik
patent: 3751097 (1973-08-01), Jones et al.
patent: 4118010 (1978-10-01), Hanscom
patent: 4283828 (1981-08-01), Cole, Sr.
Schad Steven P.
Watson Robert C.
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