Method and apparatus for installation and alignment of a series

Details Method and apparatus for installation and alignment of a series Method and apparatus for installation and alignment of a series

1989-03-17

1990-09-04

Hartman, J. J.

Work holders

Plural holders to hold workpieces relative to each other

Workpieces parallel to each other

269 45, 269 71, 269130, B25B 120

Patent

active

049538373

ABSTRACT:
An apparatus for plumbing a series of posts includes a generally vertical frame supported on three operable jacks mounted to form a three-point support for the frame. Each jack is operable to raise or lower that support and thereby align and plumb the frame. The frame includes upper, intermediate and lower horizontal members, vertically spaced-apart and parallel. The horizontal members are comprised of a pair of telescoping halves, so as to be selectively and adjustably extensible. A winch and strap is affixed proximal to each end of each horizontal member, which is operable to hang a post against each end of the frame.

REFERENCES:
patent: 877105 (1908-01-01), Moore
patent: 2679872 (1954-06-01), Sutcliffe
patent: 2774134 (1956-12-01), Smith et al.
patent: 3086767 (1963-04-01), Boser
patent: 3881715 (1975-05-01), Creek
patent: 3897050 (1975-07-01), Maloblocki

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