Balance shaft jack cradle

Implements or apparatus for applying pushing or pulling force – Hoisting truck – Platform type

Reexamination Certificate

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Reexamination Certificate

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06866246

ABSTRACT:
A cradle assembly adapted to support a balance shaft assembly. The cradle assembly includes an attachment plate adapted to be supported by the lifting mechanism of a typical jack, a base plate, and a plurality of legs disposed between the base plate and the attachment plate such that the base plate is operatively supported above the attachment plate at a predetermined distance. The cradle assembly further includes a plurality of cradle blocks having a top engagement surface and a base surface, the base surface of each of the plurality of cradle blocks is supported upon the base plate and the top engagement surfaces of the cradle blocks is formed so as to support predetermined portions of the balance shaft assembly. The cradle blocks thereby engage and support the balance shaft assembly as the cradle assembly is brought into contact with the balance shaft assembly by the operation of the attached jack.

REFERENCES:
patent: 3958793 (1976-05-01), Garate
patent: 4540147 (1985-09-01), Lincourt
patent: 4899985 (1990-02-01), Good
patent: 5190265 (1993-03-01), Barry et al.
patent: 5203540 (1993-04-01), Lee
patent: 5251875 (1993-10-01), Craychee et al.
patent: 5372353 (1994-12-01), West
patent: 5800094 (1998-09-01), Jones
patent: 6000681 (1999-12-01), Hussaini
patent: 6089545 (2000-07-01), Norman et al.
patent: 6416039 (2002-07-01), Pietrusynski
patent: 6427979 (2002-08-01), Vogt

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